Materiały źródłowe

• #1 MRSA: Causes, Symptoms, Diagnosis, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/11633-methicillin-resistant-staphylococcus-aureus-mrsa

  MRSA (methicillin-resistant Staphylococcus aureus) is a type of bacteria that many antibiotics dont work on. MRSA most often causes skin infections, but it can also cause serious illnesses that are hard to treat. […] MRSA infections are hard to treat because very few antibiotics are effective against them. […] A healthcare provider diagnoses MRSA by sending a sample of body tissue or fluid to a lab to be tested. […] Providers treat MRSA infections by caring for open wounds and finding antibiotics that are effective against the strain of MRSA you have. […] Antibiotics a provider might use to treat MRSA include: Vancomycin, Rifampin, Trimethoprim/sulfamethoxazole (TMP/SMX), Ceftaroline, Linezolid, Daptomycin, Clindamycin, Doxycycline, Delafloxacin. […] Yes, more than half of all MRSA cases are cured with antibiotics, and providers successfully treat most MRSA skin infections.

• #1 MRSA infection – Diagnosis & treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/mrsa/diagnosis-treatment/drc-20375340

  Doctors diagnose methicillin-resistant Staphylococcus aureus (MRSA) by checking a tissue sample or nasal secretions for signs of drug-resistant bacteria. The sample is sent to a lab where it’s placed in a dish of nutrients that encourage bacterial growth. […] But because it takes about 48 hours for the bacteria to grow, newer tests that can detect staph DNA in a matter of hours are now becoming more widely available.

• #1 MRSA (Staph) Infection: Pictures, Symptoms, Treatment, and Prevention

  https://www.healthline.com/health/mrsa

  How is MRSA diagnosed? […] Diagnosis begins with a medical history assessment and physical examination. Samples will also be taken from the site of infection. The types of samples obtained to help diagnose MRSA include the following: […] Wound samples are obtained with a sterile cotton swab and placed in a container. Theyre then taken to a laboratory to be analyzed for the presence of staph bacteria. […] A sputum culture analyzes the sputum for the presence of bacteria, cell fragments, blood, or pus. […] In most cases, a sample for a urine culture is obtained from a midstream clean catch urine specimen. […] A blood culture requires taking a blood draw and placing the blood on a dish in a laboratory. If bacteria grow on the dish, doctors can more easily identify what bacteria type is causing infection. […] Results from blood cultures typically take about 48 hours. A positive test result can indicate the blood infection sepsis.

• #1 Learn About MRSA Infection: Diagnosis, Treatment, Prevention – BuzzRx

  https://www.buzzrx.com/blog/mrsa-infection

  Learn About MRSA Infection: Diagnosis, Treatment, Prevention […] The traditional method of diagnosing MRSA is culture and sensitivity. It involves taking a tissue sample from the infection site (wound swab, nasal swab, blood sample, or urine sample). The sample is sent to the lab, where it is placed in a petri dish that contains nutrients that promote bacterial growth – this is called the “culture.” If any bacterium grows in the petri dish, it can be identified under the microscope and also checked for sensitivity to specific antibiotics. […] Newer molecular tests that can detect staph DNA in a nasal swab sample within a few hours are now being increasingly used in clinical settings.

• #1 MRSA Infection: Symptoms, Treatment, Causes & Pictures

  https://www.emedicinehealth.com/mrsa_infection/article_em.htm

  How Do Health Care Professionals Diagnose a MRSA Infection? The diagnosis of MRSA is established by the culture of the bacteria from an infected area. Any area of the skin with pus, abscesses, or blisters should be cultured for MRSA. Patients with sepsis or pneumonia should have blood cultures drawn. Pus from surgical sites, bone marrow, joint fluid, or almost anybody site that may be infected should be cultured for MRSA. […] The definitive laboratory studies to diagnose MRSA are straightforward. S. aureus is isolated and identified from the patient by standard microbiological techniques (growth on Baird-Parker agar plates and a positive coagulase test). […] After S. aureus bacteria are isolated, the bacteria are then cultured in the presence of methicillin (and usually other antibiotics). If S. aureus grows in the presence of methicillin, the bacteria are termed MRSA. […] Carriers of MRSA are detected by swabbing the skin, nasal passages (the most likely area to be positive), or throat of asymptomatic people and performing the culture techniques described above.

• #1 Treatment for MRSA: What to know

  https://www.medicalnewstoday.com/articles/mrsa-treatment

  If doctors suspect methicillin-resistant Staphylococcus aureus (MRSA) is causing an infection, they will prescribe antibiotics to treat it. […] To diagnose MRSA, a doctor can order tests to check for the bacteria. […] A doctor will order a culture test, which involves taking a sample of tissue or fluid from the affected area and sending it to a laboratory, where specialists check it for MRSA. […] Additional lab tests, known as antibiotic susceptibility tests, can help determine which antibiotic or treatment is most suitable. […] Doctors treat MRSA with antibiotics. […] The best treatment for an MRSA infection is antibiotics that the bacteria are not resistant to. […] Antibiotics a doctor prescribes can get rid of MRSA. […] Without treatment, MRSA can cause serious complications. […] Diagnosis involves sending samples of tissue or fluid to a lab. […] Tests can confirm the bacteria is present and determine which antibiotic is suitable to treat the infection.

• #1 Methicillin-Resistant Staphylococcus aureus – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK482221/

  Based on the antibiotic susceptibilities, Methicillin resistance in S. aureus is defined as an oxacillin minimum inhibitory concentration (MIC) of greater than or equal to 4 micrograms/mL. MRSA infection is one of the leading causes of hospital-acquired infections and is commonly associated with significant morbidity, mortality, length of stay, and cost burden. MRSA infections can be further divided into hospital-associated (HA-MRSA) infections and community-associated (CA-MRSA) infections. They differ not only in respect to their clinical features and molecular biology but also to their antibiotic susceptibility and treatment. This activity reviews the evaluation and management of MRSA and highlights the role of the interprofessional team in the recognition and management of this condition.

• #1 Current molecular approach for diagnosis of MRSA: a meta-narrative review

  https://pmc.ncbi.nlm.nih.gov/articles/PMC9906022/

  Detection and diagnosis of methicillin-resistant Staphylococcus aureus (MRSA) are important in ensuring a correct and effective treatment, further reducing its spread. A wide range of molecular approaches has been used for the diagnosis of antimicrobial resistance (AMR) in MRSA. This review aims to study and appraise widely used molecular diagnostic methods for detecting MRSA. […] Different diagnostic methods used to diagnose MRSA have been studied in this review. This study concludes that PCR has been extensively used due to its higher sensitivity and cost-effectiveness in the past five years. […] This meta-narrative review reports the commonly used molecular methods for the detection of MRSA in the past 5 years. This review has also summarized the advantages and disadvantages of each technique included in this synthesis.

• #1

  https://journals.aboutscience.eu/index.php/dti/article/view/2522

  Detection and diagnosis of methicillin-resistant Staphylococcus aureus (MRSA) are important in ensuring a correct and effective treatment, further reducing its spread. […] This review aims to study and appraise widely used molecular diagnostic methods for detecting MRSA. […] Different diagnostic methods used to diagnose MRSA have been studied in this review. This study concludes that PCR has been extensively used due to its higher sensitivity and cost-effectiveness in the past five years.

• #1 Methicillin-Resistant Staphylococcus Aureus (MRSA) – Nurseslabs

  https://nurseslabs.com/methicillin-resistant-staphylococcus-aureus-mrsa/

  An alternative method for detection of MRSA is the use of anti-PBP2a monoclonal antibodies available as latex agglutination or immunochromatographic membrane assays. […] CDC encourages clinicians to consider MRSA in the differential diagnosis of skin and soft tissue infections (SSTIs) compatible with S. aureus infections, especially those that are purulent (fluctuant or palpable fluid-filled cavity, yellow or white center, central point or head, draining pus, or possible to aspirate pus with needle or syringe).

• #1 HardyCHROM™ MRSA (methicillin resistant Staphylococcus aureus), Chromogenic

  https://hardydiagnostics.com/g307

  HardyCHROM MRSA is a selective and differential culture medium that facilitates the isolation and identification of methicillin resistant Staphylococcus aureus (MRSA) to aid in the prevention and control of MRSA infections in health care settings. The test can be performed on anterior nares swabs from patients and healthcare workers to screen for MRSA colonization. […] This new chromogenic medium simplifies the identification of MRSA infections. MRSA strains grown in the presence of chromogenic substrates that produce deep pink to magenta colonies. Color development is bright, distinct and easy to read. […] Distinct bight color change read-out. […] Highly sensitive and specific. […] Compatible with automation. […] Minimal training required. […] Saves time and money.

• #1 CHROMagar™ MRSA – Chromagar

  https://www.chromagar.com/en/product/chromagar-mrsa/

  For isolation and differentiation of Methicillin Resistant Staphylococcus aureus (MRSA) […] Early detection is essential for controlling the spread of MRSA, providing appropriate care, and avoiding complex and expensive treatments. […] CHROMagar MRSA is a selective and differential chromogenic medium for the qualitative direct detection of colonization by methicillin resistant Staphylococcus aureus (MRSA) to aid in the prevention and control of MRSA in healthcare settings. […] CHROMagar MRSA is not intended to diagnose, guide, nor monitor therapy for MRSA infections, nor provide results of susceptibility to methicillin. […] CHROMagar MRSA can also be used in conjunction with other laboratory tests and clinical data available to aid in the identification and in the diagnosis of MRSA infections in skin, soft tissue, wounds and positive blood cultures. […] 1. Absolutely reliable: CHROMagar MRSA, introduced in 2002, was the first chromogenic medium for MRSA detection. […] 2. Efficient: The medium exhibits sensitivity and specificity values close to 100 %. […] 3. Fast easy interpretation: Intense mauve colony colour in 18-24 h.

• #1

  https://link.springer.com/article/10.1007/s11033-016-4062-3

  For the past decade, a number of chromogenic media for methicillin-resistance Staphylococcus aureus (MRSA) detection have been developed and applied, including Oxoid Brilliance MRSA, CHROMagar MRSA, BBL CHROMagar MRSA, MRSASelect and chromID MRSA. […] The advantages of these chromogenic media offers direct detection of visible staphylococcal colonies, coupled with the use of chromogenic enzymatic substrates that can be hydrolyzed by S. aureus to confirm species or strain identification. […] BBL CHROMagar MRSA and MRSASelect are designed for detection of nasal colonization by MRSA, while CHROMagar MRSA, Oxoid Brilliance MRSA and chromID MRSA are readily applied in bacterial screening. […] This review summarizes the characteristics, principles and capacities of these selective media, and focuses on comparison of different chromogenic media.

• #1 MRSA Tests: MedlinePlus Medical TestLock

  https://medlineplus.gov/lab-tests/mrsa-tests/

  A MRSA test looks for MRSA bacteria in a sample of fluid or tissue from your body. The sample is often taken from your nose or a wound. […] This test is most often used to find out if you have a MRSA infection. The test may also be used to see if treatment for a MRSA infection is working. […] You may need this test if you have symptoms of a MRSA infection. Your symptoms will depend on where the infection is located. […] A health care provider will take a fluid sample from your wound, nose, blood, or urine. […] After your test, your sample will be sent to a lab for a bacteria culture test. Most tests take 24-48 hours to get results. […] If your results are positive, it means you have a MRSA infection. Treatment will depend on how serious the infection is. […] To understand the results of a MRSA test, your provider will consider your symptoms, medical history, and the results of other tests. […] The following steps can lower your risk of getting a MRSA infection: Wash your hands often and thoroughly, using soap and water. […] You can also take steps to reduce antibiotic-resistant infections. Antibiotic resistance happens when people don’t use antibiotics in the right way.

• #1 MRSA: diagnosis, screening and management – The Pharmaceutical Journal

  https://pharmaceutical-journal.com/article/ld/mrsa-diagnosis-screening-and-management

  MRSA: diagnosis, screening and management. Appropriate antimicrobial therapy, following local policy and adhering to infection and prevention control guidance, can help to prevent the spread of MRSA bacteria. […] Prevention is therefore important to reduce the impact on patient outcomes and length of hospital stays, and healthcare professionals should understand the diagnosis, screening, and management of MRSA-colonised and MRSA-infected patients. […] MRSA colonisation is detected through microbiological screening. […] Microbiological screening often involves nasal screening because the anterior nares are the most frequently colonised site. […] Various microbiological methods may be used to detect MRSA in screening specimens. […] To detect MRSA, a clinical sample must be taken from the patient and sent to the laboratory.

• #1 Methicillin-resistant Staphylococcus aureus (MRSA) – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/910

  Other diagnostic factors include infection unresponsive to penicillins, history of a presumed spider bite, abscess formation, fever, fatigue, tachycardia and hypotension, shortness of breath and cough, painful urination, haematuria, or urinary retention, night sweats or chills, altered mental status, signs of pulmonary consolidation, abdominal pain or flank pain, joint pain, and joint swelling. […] 1st investigations to order include FBC, blood culture, urine culture, tissue culture, sputum culture, echocardiogram, CXR, arthrocentesis fluid culture, and indwelling vascular catheter tip culture. […] Investigations to consider include polymerase chain reaction (PCR).

• #1 MRSA Infection: Symptoms, Causes, Treatment, Contagious, Pictures & Superbug

  https://www.medicinenet.com/mrsa_infection/article.htm

  What tests do medical professionals use to diagnose a MRSA infection? […] Most doctors start with a complete history and physical exam of the patient to identify any skin changes that may be due to MRSA, especially if the patient or caretaker mentions a close association with a person who has been diagnosed with MRSA. If possible, a sample of pus from a wound, blood, or urine is sent to a microbiology lab and cultured for S. aureus. Deep infections (such as bone) may require the removal of a piece of tissue for testing (biopsy). If S. aureus is isolated (grown on a petri plate), the bacteria are then exposed to different antibiotics, including methicillin. S. aureus bacteria that grow well when methicillin is in the culture are termed MRSA, and the patient is diagnosed as MRSA-infected. Often there is no material to culture, and doctors treat the person with antibiotics that kill MRSA as well as more common bacteria until more information is available. This is called empiric therapy, meaning that doctors make their best guess on what bacteria are likely to be the cause of infection, until the bacteria have been definitively identified.

• #1 Methicillin Resistant Staphylococcus aureus Culture Screen | Test Detail | Quest Diagnostics

  https://testdirectory.questdiagnostics.com/test/test-detail/90417/methicillin-resistant-staphylococcus-aureus-culture-screen?p=r&cc=MASTER

  Methicillin Resistant Staphylococcus aureus Culture Screen – MRSA is a major cause of nosocomial and life threatening infections. Infections with MRSA have been associated with a significantly high morbidity, mortality and cost. Selection of these organisms has been greatest in the healthcare setting. However, MRSA has also become more prevalent in the community. To control the transmission of MRSA, the Society for Healthcare Epidemiology of America (SHEA) has recommended guidelines, which include an active surveillance to identify potential reservoirs and a rigorous infection control program to control the spread of MRSA. […] No Methicillin Resistant Staphylococcus aureus (MRSA) isolated. […] Preferred Specimen(s): Nasal swab. […] Alternative Specimen(s): Specimens from skin surfaces „non-wound” (i.e. axilla, perianal and groin).

• #1 MRSA

  https://www.nhs.uk/conditions/mrsa/

  MRSA can be treated with antibiotics. […] Antibiotic tablets can be used for mild MRSA infections. […] More serious infections may need to be treated in hospital with antibiotics given by injection or a drip into a vein in your arm. […] If you’re due to have surgery, you may be offered a screening test for MRSA before you go into hospital. […] The swabs are then sent for testing. […] If the result shows you have MRSA on your skin, you’ll need to treat it with a special nasal cream or spray, body wash and shampoo for around 5 to 10 days.

• #1 MRSA: Nursing Diagnoses, Care Plans, Assessment & Interventions | NurseTogether

  https://www.nursetogether.com/mrsa-nursing-diagnosis-care-plan/

  A standard diagnostic procedure to screen for MRSA colonization is DNA PCR of MRSA from the nares. A positive result does not necessarily confirm infection, but a negative result rules out infection. […] Nursing interventions and care are essential for the patients recovery. […] Administer empiric antibiotics if MRSA infection is confirmed or suspected. […] The use of empiric antibiotic therapy depends on the following: Disease type, Local S. aureus patterns of resistance, Medication accessibility, Side effect profile, Patient-specific information. […] IV vancomycin is the drug of choice for MRSA infections in hospitalized patients. […] Proper wound care is essential in preventing the spread of infection and further damage to the tissues. […] If the patient has MRSA-infected wounds, it is essential to properly care for them to prevent worsening infection. […] Patients at risk for MRSA infection (transfer from LTC facility/prison, invasive lines, immunosuppression) or with a history of MRSA should be screened for MRSA via nasal swabbing. […] Adherence to aseptic/sterile technique decreases the chances of bacterial spread.

• #1 Culture, MRSA Surveillance Screen (Nasal Only) » Incyte Diagnostics

  https://www.incytediagnostics.com/laboratory-services/test-directory/TestDetails/culture-mrsa-surveillance-screen-nasal-only

  Screen for methicillin-resistant Staphylococcus aureus (MRSA) colonization of patients prior to surgery, or staff in health care settings. […] This test is not intended to establish diagnosis of MRSA infection.

• #1 RIDA®GENE MRSA (en) – Clinical Diagnostics

  https://clinical.r-biopharm.com/products/ridagene-mrsa/

  Early, rapid and systematic MRSA screening allows infected patients to be specifically treated and appropriate hygiene methods to be introduced to prevent the transmission and spread of MRSA. […] Using conventional culturing methods, 48 to 72 hours are needed to detect MRSA. Real-time PCR tests allow early and fast MRSA screening on the date of hospital admission as part of the infection prevention program (search and destroy strategy).

• #1 Methicillin Resistant Staphylococcus aureus Culture Screen | Test Detail | Quest Diagnostics

  https://testdirectory.questdiagnostics.com/test/test-detail/90417/methicillin-resistant-staphylococcus-aureus-culture-screen?p=r&cc=MASTER

  Collection Instructions: 1. Use Amies liquid transport medium (red-cap Copan or BD swab), or Amies gel transport medium (blue-cap Copan or BD swab) or Eswab to obtain the specimen. 2. Culture both anterior nares (the opening of each nostril) utilizing one culture swab. 3. Insert a premoistened swab (sterile non-bacteriostatic saline or water) about 2 cm and rotate the swab against the nasal mucosa back and forth of each nostril for 3 seconds – slight pressure with a finger on the outside of the nose helps to assure good contact between the swab and the inside of the nose. 4. Return swab back to the plastic transport tube and make sure the cap is on tight. […] Transport Container: Swab in Amies culture media, Eswab or equivalent. […] Transport Temperature: Room temperature. […] Specimen Stability: Room temperature: 48 hours, Refrigerated: 48 hours, Frozen: Unacceptable. […] Reject Criteria: Received frozen • Specimens submitted in formalin • Specimens submitted in viral transport media • Dry swabs • Expired transport media • Specimens >48 hours old • Swabs from environmental sources.

• #1 183467: Methicillin-resistant Staphylococcus aureus (MRSA) Colonization Screening Culture | Labcorp

  https://www.labcorp.com/tests/183467/methicillin-resistant-staphylococcus-aureus-mrsa-colonization-screening-culture

  Screen for methicillin-resistant Staphylococcus aureus (MRSA) colonization of patients and staff in health care settings. […] This test is intended only for screening for MRSA colonization and is not intended to diagnose MRSA infection or to guide or monitor treatment for infections. […] This test is not intended to establish diagnosis of MRSA infection.

• #1 Methicillin-resistant Staphylococcus aureus (MRSA) – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/910

  MRSA is an important cause of infection in both healthy people in the community and in patients in healthcare institutions. […] It is important to distinguish MRSA colonisation from infection. […] Healthcare-associated MRSA infections and community-associated MRSA infections exhibit important differences in antibiotic susceptibility. […] Community-associated MRSA most commonly results in skin and soft-tissue infections and therapy can often be with oral antibiotics. […] Healthcare-associated MRSA infections usually require treatment with intravenous antibiotics. […] Isolation of patients with MRSA, through contact precautions, may help to prevent spread of infection. […] Key diagnostic factors include presence of risk factors, erythematous skin lesions or pustules, irritation or pain at indwelling catheter site, and heart murmur and other signs of endocarditis.

• #1 MRSA: diagnosis, screening and management – The Pharmaceutical Journal

  https://pharmaceutical-journal.com/article/ld/mrsa-diagnosis-screening-and-management

  MRSA infection is clinically indistinguishable from MSSA (methicillin-susceptible S. aureus) infection, however, it has a stronger association with hospital-acquired infections than MSSA and case fatality ratios tend to be higher for MRSA bacteraemia compared with MSSA bacteraemia. […] Depending on the clinical infection syndrome suspected and the severity of clinical illness, empirical antibiotics may be started based on local microbiological guidelines for the suspected syndrome. […] MRSA decolonisation is not routinely required for asymptomatic carriers of MRSA in the community. […] Antibiotic prophylaxis should be given to patients undergoing any surgery that is not defined as ‘clean non-prosthetic uncomplicated surgery’, according to NICE guidelines. […] Vancomycin and teicoplanin (both given parenterally) remain the antibiotics of choice for treatment of MRSA infection.

• #1 Methicillin-resistant Staphylococcus aureus (MRSA) Basics | MRSA | CDC

  https://www.cdc.gov/mrsa/about/index.html

  A healthcare provider must send a clinical specimen to a laboratory to determine if MRSA is the cause of an infection. […] Healthcare providers often prescribe antibiotics to treat MRSA infections. Some types of S. aureus infections need surgery to drain infected areas. Your healthcare provider will determine which treatments are best for you. While MRSA can be resistant to several antibiotics, meaning these drugs cannot cure the infections, there are antibiotics available to treat MRSA infections.

• #1 Methicillin-Resistant Staphylococcus aureus – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK482221/

  Clinical suspicion in patients with risk factors related to MRSA infection is crucial in diagnostic and therapeutic intervention. Confirmation of MRSA infection should not delay treatment with empiric antibiotics against MRSA. Clinicians should send samples from suspected sources of infection for analysis including blood, sputum, urine, or wound scraping. […] A positive Gram stain with cocci in clusters is suggestive of S. aureus. DNA polymerase chain reaction (PCR) of MRSA is the most sensitive test and gold standard test if cultures are inconclusive. […] DNA PCR of MRSA from nares is a frequently employed diagnostic test to rule out MRSA colonization. It is not a confirmatory test of MRSA infection, but a negative test is highly sensitive to rule out MRSA infection. […] The selection of empiric antibiotic therapy for the treatment of MRSA infection depends on the type of disease, local S. aureus resistance patterns, availability of the drug, side effect profile, and individual patient profile. […] Follow-up cultures should be repeated to document clearance of the infection from the bloodstream. Persistent, positive cultures after 48 hours of treatment should prompt further evaluation related to drug susceptibility and source control.

• #1 Learning about MRSA: A guide for Patients – MN Dept. of Health

  https://www.health.state.mn.us/diseases/staph/mrsa/book.html

  Many people with active infections are treated effectively, and no longer have MRSA. […] However, sometimes MRSA goes away after treatment and comes back several times. […] If MRSA infections keep coming back again and again, your doctor can help you figure out the reasons you keep getting them. […] If you have ever had an active MRSA infection or you are a carrier, you should tell your health care providers. […] You would not usually be tested for MRSA unless you have an active infection. […] If you have a skin infection, your doctor may take a sample of the area to find out what bacteria is causing your infection. This is called taking a culture. […] The lab will then test the bacteria to find out which antibiotic is best for you. […] If your MRSA infections keep coming back again and again, your doctor may test you and your family members to see if you are carriers. […] In this case, the doctor would take a culture from the nose or other areas where MRSA can be found.

• #1 MRSA/SA PCR Rapid Test Quickly Diagnoses Methicillin Resistance at Point of Care – Microbiology – Labmedica.com

  https://www.labmedica.com/microbiology/articles/294794842/mrsa-sa-pcr-rapid-test-quickly-diagnoses-methicillin-resistance-at-point-of-care.html

  Methicillin-resistant (MRSA) is a major multi-resistant nosocomial pathogen worldwide with the WHO estimating that the mortality rate of patient infection rates is around 50% higher compared with patients who have been infected by non-resistant Staphylococcus aureus strains. […] Now, a new test for the quick diagnosis of MRSA at the point of the care not only provides rapid RT-PCR results in 53 minutes but differentiates whether the bacterial strain is MRSA or methicillin-sensitive (MSAA) which promotes targeted therapy. […] The quick and reliable diagnosis of whether the bacteria strain is MSSA or MRSA-resistant is also important in emergency situations. […] This ability contributes to preventing contamination, breaking the chain of infection, and avoiding other resistances, which can, in turn, positively impact the treatment procedure and costs. […] The advantages of PCR rapid tests administered with the aid of Boschs Vivalytic platform lie not only in the quick analysis time, but also in the ease of handling.

• #1 FDA authorizes marketing of diagnostic test that uses novel technology to detect MRSA bacteria | FDA

  https://www.fda.gov/news-events/press-announcements/fda-authorizes-marketing-diagnostic-test-uses-novel-technology-detect-mrsa-bacteria

  Today, the U.S. Food and Drug Administration authorized marketing of a new diagnostic test based on bacterial viability and novel technology to detect Methicillin-resistant Staphylococcus aureus (MRSA) bacterial colonization, a widespread cause of hospital-acquired infections. […] The cobas vivoDx MRSA test uses a new bacteriophage technology based on bioluminescence to detect MRSA from nasal swab samples in as little as 5 hours compared to 24-48 hours for conventional culture. […] Diagnostic tests that can more quickly and easily detect MRSA could benefit patient care and may help healthcare providers prevent the spread of MRSA. […] The FDA reviewed data from performance studies in which the cobas vivoDx MRSA test correctly identified MRSA in approximately 90% of samples where MRSA was present and correctly identified no MRSA in 98.6% of samples that did not have MRSA present. […] The cobas vivoDx MRSA test authorized today is intended to aid in the prevention and control of MRSA infections in healthcare settings and can be used to identify patients needing enhanced precautions for infection control such as isolation and additional decolonization efforts.

• #1 Molecular Diagnosis. BD MAX™ MRSA XT and StaphSR assays | BD

  https://emea.bd.com/advancing-diagnostics/assays/hai/bd-max-mrsa-xt-bd-max-staphsr/

  The BD MAX MRSA XT and StaphSR assays allow for detection of patients at risk for nasal colonisation with Staphylococcus aureus or MRSA […] The number of surgical-site S. aureus infections acquired in the hospital can be reduced by rapid PCR screening and decolonisation of nasal carriers of S. aureus upon admission […] Patients asymptomatically colonised with MRSA are a substantial reservoir for person-to-person spread in the hospital […] BD MAX MRSA XT detects 11 MREJ genotypes plus mecA drop-out mutants and the mecC gene […] BD MAX StaphSR detects both S. aureus and MRSA with the same Extended Detection Technology as the BD MAX MRSA XT assay […] Results for up to 24 patients in just over 2 hours to allow institutions to implement effective infection control procedures, thus avoiding transmission and subsequent infections.

• #1 cobas® MRSA/SA Test, for use on the cobas® 4800 system

  https://diagnostics.roche.com/us/en/products/lab/cobas-mrsa-sa-test-rmd-4800-mrsasa-001.html

  Effective surveillance that enables time-saving efficiencies and lifesaving answers. […] Staphylococcus aureus (SA) and methicillin-resistant Staphylococcus aureus (MRSA) infections represent a critical threat to public health. […] Active surveillance to identify MRSA/SA carriers is helping to mitigate the potential consequences of disease, providing relief to patients and health care institutions facing the challenges of escalating costs. […] The cobas MRSA/SA Test for use on the cobas 4800 System uses a single nasal swab specimen to detect both MRSA and SA targets in a single sample run to deliver high quality results in a matter of hours. […] cobas MRSA/SA lets you quickly and confidently identify colonized patients for timely implementation of appropriate barrier precautions. […] High sensitivity and specificity demonstrated compared to a CE-marked and FDA-cleared nucleic acid amplification test (NAAT).

• #1 RIDA®GENE MRSA (en) – Clinical Diagnostics

  https://clinical.r-biopharm.com/products/ridagene-mrsa/

  For in vitro diagnostic use. The RIDAGENE MRSA test, performed on the Roche LightCycler 480 II, is a multiplex real-time PCR for the direct qualitative detection of methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-susceptible Staphylococcus aureus (MSSA) DNA in untreated human nasal/throat swabs, wound swabs, and culture in asymptomatic individuals and in individuals showing signs and symptoms of infection caused by MRSA. […] The RIDAGENE MRSA Test is intended to support the diagnosis of staphylococcus infections (methicillin-resistant Staphylococcus aureus (MRSA), methicillin-susceptible Staphylococcus aureus (MSSA)) in asymptomatic individuals and in individuals showing signs and symptoms of infection caused by MRSA in connection with other clinical and laboratory findings. Negative results do not rule out staphylococcus infection (methicillin-resistant Staphylococcus aureus (MRSA), methicillin-susceptible Staphylococcus aureus (MSSA)) and should not be used as the sole basis for diagnosis.

• #1 cobas® MRSA/SA Test, for use on the cobas® 4800 system

  https://diagnostics.roche.com/us/en/products/lab/cobas-mrsa-sa-test-rmd-4800-mrsasa-001.html

  The cobas MRSA/SA Test on the cobas 4800 system is a qualitative in vitro diagnostic real-time PCR assay, for the direct detection of methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus (SA) DNA from nasal swabs to aid in the prevention and control of MRSA and SA infections in healthcare settings. The cobas MRSA/SA Test is not intended to diagnose, guide or monitor treatment for MRSA or SA infections, or provide results of susceptibility to methicillin. A negative result does not preclude MRSA/SA nasal colonization. Concomitant cultures are necessary only to recover organisms for epidemiology typing or for further susceptibility testing.

• #1 Methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus (SA)

  https://diagnostics.roche.com/global/en/article-listing/health-topics/infectious-diseases/mrsa.html

  Prompt diagnosis and treatment are of utmost importance. […] MRSA is a bacterial infection which causes the same infection as SA, however it is dangerous due to its resistance to many antibiotics that successfully treat normal SA. […] The substantial human suffering and financial burden of these endemic infections prompt an urgent need for healthcare facilities to establish effective surveillance for infection control and prevention. […] To address the evolving problem of MRSA/SA, growing numbers of hospitals are partnering with microbiology labs to incorporate MRSA/SA screening and surveillance to identify and control these infections. […] By implementing a reliable surveillance program that rapidly and accurately detects colonised patients, clinical microbiology and infection control can help reduce the worldwide burden and spread of these costly infections.

• #1 MRSA Infection: Symptoms, Causes, Treatment, Contagious, Pictures & Superbug

  https://www.medicinenet.com/mrsa_infection/article.htm

  Some hospitals may screen patients for carrying MRSA so that precautions can be taken to avoid spreading MRSA. The same procedure is done by swabbing the skin or inside the nose. These tests help distinguish MRSA infections from other skin changes that often appear initially similar to MRSA, such as spider bites or skin changes that occur with Lyme disease. Many MRSA infections get mistaken for a spider bite. This can cause delayed or incorrect treatment and progression of the MRSA infection. […] There are rapid screening tests that can detect the presence of MRSA DNA material (polymerase chain reaction, PCR) in a blood sample in as little as two hours. The test is able to determine whether the genetic material is from MRSA or from less resistant forms of staph bacteria. It may allow hospitals to start precautions early. It may also allow doctors to quickly tailor the antibiotics to only what is needed; this reduces unnecessary antibiotic use and helps reduce antibiotic resistance. It also may reduce the side effects and costs of unnecessary antibiotics. These tests cannot be used alone for the diagnosis of an MRSA infection. They do not provide important details about the antibiotics to which the specific strain is susceptible.

• #1 Global MRSA testing Market : Allied Market Research

  https://www.alliedmarketresearch.com/MRSA-testing-market

  MRSA (Methicillin-resistant Staphylococcus aureus) testing is utilized to detect MRSAs and no other microbes. It is prominently employed in hospitals, especially in intensive care units to inhibit MRSA from spreading to other patients. […] On larger levels such as community and society, the MRSA test can be employed to detect the source of an outbreak. For a national level addition, testing and research may help scientists determine the cause. […] The growth of the global MRSA testing market is driven by an increase in the demand for POC (point of care) diagnostics in MRSA. Moreover, technological advancements in POC devices and tests are expected to boost the market growth. […] The global MRSA testing market is segmented on the basis of type, application, and geography. Based on type the market is bifurcated into immunodiagnostics and molecular diagnostics. Based on applications the market is divided into hospitals, diagnostics laboratories, and academic research institute.

• #1 Laboratory Testing for Methicillin (oxacillin)-resistant Staphylococcus aureus (MRSA) | MRSA | CDC

  https://www.cdc.gov/mrsa/php/laboratories/index.html

  There are many methods laboratorians can use to test for MRSA. […] Four phenotypic methods are recommended for the detection of MRSA. […] Accurate detection of oxacillin/methicillin resistance can be difficult due to the presence of two subpopulations (one susceptible and one resistant) that may coexist within a culture of staphylococci. […] Isolates that test positive for mecA or PBP2a or resistant by any of the recommended phenotypic methods should be reported as methicillin (oxacillin) resistant.

• #1 Methicillin-Resistant Staphylococcus Aureus Infection | MicroGen Diagnostics

  https://microgendx.com/patients/methicillin-resistant-staphylococcus-aureus-infection/

  Methicillin-resistant Staphylococcus aureus (MRSApronounced MUR-sa) is caused by a type of staph bacteria. A MRSA infection is especially difficult to treat because this type of staph bacteria has become resistant to many antibiotics commonly used to treat other staph infections. […] Generally, MRSA is tested for before surgery or when a wound is not healing. In most cases you need a laboratory test that your doctor can order to determine the cause of the infection. […] An evaluation and culture (growing microbes from your sample in a lab) are often used to diagnose infections. However, standard cultures may come back negative even when you actually do have an infection, and that means your infection wont be treated. Instead of relying on culture, a MicroGenDX test detects MRSA DNA in your sample along with how much of it is present, and uses that information to list the drugs that can best treat it.

• #1 Methicillin-Resistant Staphylococcus aureus (MRSA) Public Information | Orange County California – Health Care Agency

  https://www.ochealthinfo.com/services-programs/disease-prevention/diseases-conditions/methicillin-resistant-staphylococcus

  Laboratory results from specimens from hospitals and skilled nursing facilities that are positive for MRSA meeting the criteria outlined in the Health Order Mandating reporting of MRSA, ESBLs, and CRE from Orange County hospitals and skilled nursing facilities should be reported to Orange County Epidemiology. Facilities should forward a list of results every 2 to 4 weeks, according to the process arranged by contacting OCHCA Epidemiology at 714-834-8180.

• #1 Coding and Documenting MRSA Conditions

  https://www.outsourcestrategies.com/blog/coding-methicillin-resistant-staphylococcus-aureus-mrsa-conditions/

  Methicillin-resistant Staphylococcus aureus (MRSA) is a type of staph bacteria that has become resistant to many common antibiotics such as methicillin, penicillin, oxacillin, and amoxicillin. […] Laboratory testing is usually necessary to confirm MRSA infections. […] MRSA infections usually occur in hospitals or other health care settings and are called healthcare-associated MRSA infections (HA-MRSA). […] Those who have signs and symptoms of a MRSA infection are much more likely to spread MRSA because the infected area contains many MRSA germs. […] MRSA screening or testing: The CPT codes for reporting MRSA screening or testing are: 87081 Culture, presumptive, pathogenic organisms, screening only 87641 Infectious agent detection by nucleic acid (DNA or RNA); Staphylococcus aureus, methicillin resistant, amplified probe technique. […] CPT code 87081 should be reported if a true screening is performed, as for hospital admission or when a skin or other accessible infection site is suspect.

• #2 Methicillin-Resistant Staphylococcus aureus – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK482221/

  Based on the antibiotic susceptibilities, Methicillin resistance in S. aureus is defined as an oxacillin minimum inhibitory concentration (MIC) of greater than or equal to 4 micrograms/mL. MRSA infection is one of the leading causes of hospital-acquired infections and is commonly associated with significant morbidity, mortality, length of stay, and cost burden. MRSA infections can be further divided into hospital-associated (HA-MRSA) infections and community-associated (CA-MRSA) infections. They differ not only in respect to their clinical features and molecular biology but also to their antibiotic susceptibility and treatment. This activity reviews the evaluation and management of MRSA and highlights the role of the interprofessional team in the recognition and management of this condition.

• #2 MRSA Tests: MedlinePlus Medical TestLock

  https://medlineplus.gov/lab-tests/mrsa-tests/

  A MRSA test looks for MRSA bacteria in a sample of fluid or tissue from your body. The sample is often taken from your nose or a wound. […] This test is most often used to find out if you have a MRSA infection. The test may also be used to see if treatment for a MRSA infection is working. […] You may need this test if you have symptoms of a MRSA infection. Your symptoms will depend on where the infection is located. […] A health care provider will take a fluid sample from your wound, nose, blood, or urine. […] After your test, your sample will be sent to a lab for a bacteria culture test. Most tests take 24-48 hours to get results. […] If your results are positive, it means you have a MRSA infection. Treatment will depend on how serious the infection is. […] To understand the results of a MRSA test, your provider will consider your symptoms, medical history, and the results of other tests. […] The following steps can lower your risk of getting a MRSA infection: Wash your hands often and thoroughly, using soap and water. […] You can also take steps to reduce antibiotic-resistant infections. Antibiotic resistance happens when people don’t use antibiotics in the right way.

• #2 MRSA Diagnosis and Treatment: Antibiotics, Drainage, and More

  https://www.webmd.com/skin-problems-and-treatments/understanding-mrsa-detection-treatment

  How Is MRSA Diagnosed? Often skin infections caused by MRSA are diagnosed clinically, without any tests. Since MSRA is now so prevalent, if staph is suspected, your doctor will treat for MRSA. If tests are run, they will likely do a culture of an open sore for MRSA. Or if someone is sick enough, a blood culture may be taken to look for bacteria. […] A common infection of the skin caused by MRSA is cellulitis, which can be treated with antibiotics.

• #2 Treatment for MRSA: What to know

  https://www.medicalnewstoday.com/articles/mrsa-treatment

  If doctors suspect methicillin-resistant Staphylococcus aureus (MRSA) is causing an infection, they will prescribe antibiotics to treat it. […] To diagnose MRSA, a doctor can order tests to check for the bacteria. […] A doctor will order a culture test, which involves taking a sample of tissue or fluid from the affected area and sending it to a laboratory, where specialists check it for MRSA. […] Additional lab tests, known as antibiotic susceptibility tests, can help determine which antibiotic or treatment is most suitable. […] Doctors treat MRSA with antibiotics. […] The best treatment for an MRSA infection is antibiotics that the bacteria are not resistant to. […] Antibiotics a doctor prescribes can get rid of MRSA. […] Without treatment, MRSA can cause serious complications. […] Diagnosis involves sending samples of tissue or fluid to a lab. […] Tests can confirm the bacteria is present and determine which antibiotic is suitable to treat the infection.

• #2 Laboratory Testing for Methicillin (oxacillin)-resistant Staphylococcus aureus (MRSA) | MRSA | CDC

  https://www.cdc.gov/mrsa/php/laboratories/index.html

  There are many methods laboratorians can use to test for MRSA. […] Four phenotypic methods are recommended for the detection of MRSA. […] Accurate detection of oxacillin/methicillin resistance can be difficult due to the presence of two subpopulations (one susceptible and one resistant) that may coexist within a culture of staphylococci. […] Isolates that test positive for mecA or PBP2a or resistant by any of the recommended phenotypic methods should be reported as methicillin (oxacillin) resistant.

• #2 Current molecular approach for diagnosis of MRSA: a meta-narrative review

  https://pmc.ncbi.nlm.nih.gov/articles/PMC9906022/

  Detection and diagnosis of methicillin-resistant Staphylococcus aureus (MRSA) are important in ensuring a correct and effective treatment, further reducing its spread. A wide range of molecular approaches has been used for the diagnosis of antimicrobial resistance (AMR) in MRSA. This review aims to study and appraise widely used molecular diagnostic methods for detecting MRSA. […] Different diagnostic methods used to diagnose MRSA have been studied in this review. This study concludes that PCR has been extensively used due to its higher sensitivity and cost-effectiveness in the past five years. […] This meta-narrative review reports the commonly used molecular methods for the detection of MRSA in the past 5 years. This review has also summarized the advantages and disadvantages of each technique included in this synthesis.

• #2 Current molecular approach for diagnosis of MRSA: a meta-narrative review

  https://pmc.ncbi.nlm.nih.gov/articles/PMC9906022/

  In this review, multiple molecular methods such as PCR, DNA sequencing, Xpert MRSA/SA BC array, MALDI-TOF, MLST, SPA typing and SCCmec typing, have been appraised. This review summarizes that PCR technique has been widely used for the diagnosis of MRSA within the last 5 years (2017-2022). […] This meta-narrative review has appraised and summarized molecular diagnostic methods frequently used to detect MRSA in the last 5 years (2017-2022), thus concluding that PCR technique is the most frequently used technique due to its high specificity, low cost and labor effectiveness.

• #2 Methicillin-Resistant Staphylococcus Aureus (MRSA) – Nurseslabs

  https://nurseslabs.com/methicillin-resistant-staphylococcus-aureus-mrsa/

  Methicillin-resistant Staphylococcus aureus (MRSA) is a cause of staph infection that is difficult to treat because of resistance to some antibiotics. […] Methicillin-resistant Staphylococcus aureus (MRSA) is resistant to all -lactams because of the presence of mecA, a gene that produces a pencillin binding protein (PBP2a) with low affinity for -lactam antibiotics. […] In addition to broth microdilution testing, the Clinical and Laboratory Standards Institute (CLSI), recommends the cefoxitin disk diffusion test or a plate containing 6 g/ml of oxacillin in Mueller-Hinton agar supplemented with 4% NaCl as alternative methods of testing for MRSA. […] In addition, there are FDA-approved assays for molecular detection of the mecA gene and commercially available chromogenic agars that can be used for MRSA detection.

• #2 MRSA Infection: Symptoms, Causes, Treatment, Contagious, Pictures & Superbug

  https://www.medicinenet.com/mrsa_infection/article.htm

  Some hospitals may screen patients for carrying MRSA so that precautions can be taken to avoid spreading MRSA. The same procedure is done by swabbing the skin or inside the nose. These tests help distinguish MRSA infections from other skin changes that often appear initially similar to MRSA, such as spider bites or skin changes that occur with Lyme disease. Many MRSA infections get mistaken for a spider bite. This can cause delayed or incorrect treatment and progression of the MRSA infection. […] There are rapid screening tests that can detect the presence of MRSA DNA material (polymerase chain reaction, PCR) in a blood sample in as little as two hours. The test is able to determine whether the genetic material is from MRSA or from less resistant forms of staph bacteria. It may allow hospitals to start precautions early. It may also allow doctors to quickly tailor the antibiotics to only what is needed; this reduces unnecessary antibiotic use and helps reduce antibiotic resistance. It also may reduce the side effects and costs of unnecessary antibiotics. These tests cannot be used alone for the diagnosis of an MRSA infection. They do not provide important details about the antibiotics to which the specific strain is susceptible.

• #2 HardyCHROM™ MRSA/Staph aureus, Chromogenic Media BiPlate

  https://hardydiagnostics.com/j35

  HardyCHROM MRSA is a selective and differential culture medium that facilitates the isolation and identification of methicillin resistant Staphylococcus aureus (MRSA) to aid in the prevention and control of MRSA infections in healthcare settings. The test is performed on anterior nares swabs from patients and healthcare workers to screen for MRSA colonization. […] HardyCHROM Staph aureus is a chromogenic medium recommended for the isolation, differentiation, and enumeration of Staphylococcus aureus by colony color.

• #2

  https://link.springer.com/article/10.1007/s11033-016-4062-3

  For the past decade, a number of chromogenic media for methicillin-resistance Staphylococcus aureus (MRSA) detection have been developed and applied, including Oxoid Brilliance MRSA, CHROMagar MRSA, BBL CHROMagar MRSA, MRSASelect and chromID MRSA. […] The advantages of these chromogenic media offers direct detection of visible staphylococcal colonies, coupled with the use of chromogenic enzymatic substrates that can be hydrolyzed by S. aureus to confirm species or strain identification. […] BBL CHROMagar MRSA and MRSASelect are designed for detection of nasal colonization by MRSA, while CHROMagar MRSA, Oxoid Brilliance MRSA and chromID MRSA are readily applied in bacterial screening. […] This review summarizes the characteristics, principles and capacities of these selective media, and focuses on comparison of different chromogenic media.

• #2 CHROMagar™ MRSA – Chromagar

  https://www.chromagar.com/en/product/chromagar-mrsa/

  For isolation and differentiation of Methicillin Resistant Staphylococcus aureus (MRSA) […] Early detection is essential for controlling the spread of MRSA, providing appropriate care, and avoiding complex and expensive treatments. […] CHROMagar MRSA is a selective and differential chromogenic medium for the qualitative direct detection of colonization by methicillin resistant Staphylococcus aureus (MRSA) to aid in the prevention and control of MRSA in healthcare settings. […] CHROMagar MRSA is not intended to diagnose, guide, nor monitor therapy for MRSA infections, nor provide results of susceptibility to methicillin. […] CHROMagar MRSA can also be used in conjunction with other laboratory tests and clinical data available to aid in the identification and in the diagnosis of MRSA infections in skin, soft tissue, wounds and positive blood cultures. […] 1. Absolutely reliable: CHROMagar MRSA, introduced in 2002, was the first chromogenic medium for MRSA detection. […] 2. Efficient: The medium exhibits sensitivity and specificity values close to 100 %. […] 3. Fast easy interpretation: Intense mauve colony colour in 18-24 h.

• #2 MRSA (Staph) Infection: Pictures, Symptoms, Treatment, and Prevention

  https://www.healthline.com/health/mrsa

  How is MRSA diagnosed? […] Diagnosis begins with a medical history assessment and physical examination. Samples will also be taken from the site of infection. The types of samples obtained to help diagnose MRSA include the following: […] Wound samples are obtained with a sterile cotton swab and placed in a container. Theyre then taken to a laboratory to be analyzed for the presence of staph bacteria. […] A sputum culture analyzes the sputum for the presence of bacteria, cell fragments, blood, or pus. […] In most cases, a sample for a urine culture is obtained from a midstream clean catch urine specimen. […] A blood culture requires taking a blood draw and placing the blood on a dish in a laboratory. If bacteria grow on the dish, doctors can more easily identify what bacteria type is causing infection. […] Results from blood cultures typically take about 48 hours. A positive test result can indicate the blood infection sepsis.

• #2 Methicillin Resistant Staphylococcus aureus Culture Screen | Test Detail | Quest Diagnostics

  https://testdirectory.questdiagnostics.com/test/test-detail/90417/methicillin-resistant-staphylococcus-aureus-culture-screen?p=r&cc=MASTER

  Methicillin Resistant Staphylococcus aureus Culture Screen – MRSA is a major cause of nosocomial and life threatening infections. Infections with MRSA have been associated with a significantly high morbidity, mortality and cost. Selection of these organisms has been greatest in the healthcare setting. However, MRSA has also become more prevalent in the community. To control the transmission of MRSA, the Society for Healthcare Epidemiology of America (SHEA) has recommended guidelines, which include an active surveillance to identify potential reservoirs and a rigorous infection control program to control the spread of MRSA. […] No Methicillin Resistant Staphylococcus aureus (MRSA) isolated. […] Preferred Specimen(s): Nasal swab. […] Alternative Specimen(s): Specimens from skin surfaces „non-wound” (i.e. axilla, perianal and groin).

• #2

• #2 MRSA Infection: Symptoms, Causes, Treatment, Contagious, Pictures & Superbug

  https://www.medicinenet.com/mrsa_infection/article.htm

  What tests do medical professionals use to diagnose a MRSA infection? […] Most doctors start with a complete history and physical exam of the patient to identify any skin changes that may be due to MRSA, especially if the patient or caretaker mentions a close association with a person who has been diagnosed with MRSA. If possible, a sample of pus from a wound, blood, or urine is sent to a microbiology lab and cultured for S. aureus. Deep infections (such as bone) may require the removal of a piece of tissue for testing (biopsy). If S. aureus is isolated (grown on a petri plate), the bacteria are then exposed to different antibiotics, including methicillin. S. aureus bacteria that grow well when methicillin is in the culture are termed MRSA, and the patient is diagnosed as MRSA-infected. Often there is no material to culture, and doctors treat the person with antibiotics that kill MRSA as well as more common bacteria until more information is available. This is called empiric therapy, meaning that doctors make their best guess on what bacteria are likely to be the cause of infection, until the bacteria have been definitively identified.

• #2 Methicillin-resistant Staphylococcus aureus (MRSA) – Symptoms, diagnosis and treatment | BMJ Best Practice US

  https://bestpractice.bmj.com/topics/en-us/910

  Key diagnostic factors include erythematous skin lesions or pustules, irritation or pain at indwelling catheter site, and heart murmur and other signs of endocarditis. […] Other diagnostic factors include infection unresponsive to penicillins, history of a presumed spider bite, abscess formation, fever, fatigue, tachycardia and hypotension, shortness of breath and cough, painful urination, hematuria, or urinary retention, night sweats or chills, altered mental status, signs of pulmonary consolidation, abdominal pain or flank pain, joint pain, and joint swelling. […] 1st tests to order include CBC, blood culture, urine culture, tissue culture, sputum culture, echocardiogram, CXR, arthrocentesis fluid culture, and indwelling vascular catheter tip culture. […] Tests to consider include polymerase chain reaction (PCR).

• #2 cobas® MRSA/SA Test, for use on the cobas® 4800 system

  https://diagnostics.roche.com/us/en/products/lab/cobas-mrsa-sa-test-rmd-4800-mrsasa-001.html

  Effective surveillance that enables time-saving efficiencies and lifesaving answers. […] Staphylococcus aureus (SA) and methicillin-resistant Staphylococcus aureus (MRSA) infections represent a critical threat to public health. […] Active surveillance to identify MRSA/SA carriers is helping to mitigate the potential consequences of disease, providing relief to patients and health care institutions facing the challenges of escalating costs. […] The cobas MRSA/SA Test for use on the cobas 4800 System uses a single nasal swab specimen to detect both MRSA and SA targets in a single sample run to deliver high quality results in a matter of hours. […] cobas MRSA/SA lets you quickly and confidently identify colonized patients for timely implementation of appropriate barrier precautions. […] High sensitivity and specificity demonstrated compared to a CE-marked and FDA-cleared nucleic acid amplification test (NAAT).

• #2 MRSA

  https://www.nhs.uk/conditions/mrsa/

  MRSA can be treated with antibiotics. […] Antibiotic tablets can be used for mild MRSA infections. […] More serious infections may need to be treated in hospital with antibiotics given by injection or a drip into a vein in your arm. […] If you’re due to have surgery, you may be offered a screening test for MRSA before you go into hospital. […] The swabs are then sent for testing. […] If the result shows you have MRSA on your skin, you’ll need to treat it with a special nasal cream or spray, body wash and shampoo for around 5 to 10 days.

• #2 Culture, MRSA Surveillance Screen (Nasal Only) » Incyte Diagnostics

  https://www.incytediagnostics.com/laboratory-services/test-directory/TestDetails/culture-mrsa-surveillance-screen-nasal-only

  Screen for methicillin-resistant Staphylococcus aureus (MRSA) colonization of patients prior to surgery, or staff in health care settings. […] This test is not intended to establish diagnosis of MRSA infection.

• #2 MRSA Infection in the Community (Methicillin Resistant Staphylococcus Aureus)

  https://www.nationwidechildrens.org/conditions/staphylococcus-aureus-skin-infections-in-the-community

  There are two main types of MRSA. Their names come from where you are exposed to the staph germ. One is called Community-Associated MRSA Infection (CA-MRSA). The other is called Healthcare-Associated MRSA (HA-MRSA). […] MRSA infections are harder to treat. They require antibiotics that are not in the penicillin family. […] Until the MRSA diagnosis is removed from your child’s record, every time your child is admitted for an inpatient stay he or she will be placed on Contact Precautions. […] A Culture MRSA Screen (MRSAC) test to check for active MRSA needs to be ordered by your child’s pediatrician. […] If the original diagnosis was from a respiratory infection, there need to be three cultures taken from the nose. All three need to test negative for Multidrug-Resistant Organisms (MDROs). […] If the original diagnosis was from a non-respiratory site (wound, drainage, blood urine, etc.), there need to be three cultures from the nose and three from the rectum that test negative for MDROs.

• #2 Molecular Diagnosis. BD MAX™ MRSA XT and StaphSR assays | BD

  https://emea.bd.com/advancing-diagnostics/assays/hai/bd-max-mrsa-xt-bd-max-staphsr/

  The BD MAX MRSA XT and StaphSR assays allow for detection of patients at risk for nasal colonisation with Staphylococcus aureus or MRSA […] The number of surgical-site S. aureus infections acquired in the hospital can be reduced by rapid PCR screening and decolonisation of nasal carriers of S. aureus upon admission […] Patients asymptomatically colonised with MRSA are a substantial reservoir for person-to-person spread in the hospital […] BD MAX MRSA XT detects 11 MREJ genotypes plus mecA drop-out mutants and the mecC gene […] BD MAX StaphSR detects both S. aureus and MRSA with the same Extended Detection Technology as the BD MAX MRSA XT assay […] Results for up to 24 patients in just over 2 hours to allow institutions to implement effective infection control procedures, thus avoiding transmission and subsequent infections.

• #2 Methicillin Resistant Staphylococcus aureus, PCR | Test Detail | Quest Diagnostics

  https://testdirectory.questdiagnostics.com/test/test-detail/17656/methicillin-resistant-staphylococcus-aureus-pcr?p=r&cc=MASTER

  Methicillin Resistant Staphylococcus aureus, PCR – Rapid, direct detection of nasal colonization by MRSA. Aids in the prevention and control of MRSA infections in healthcare settings. […] Polymerase Chain Reaction (PCR) […] Preferred Specimen(s) Elution swab ESwab (white cap) […] Collection Instructions When using the ESwab, collect the nasal specimen by sampling both nares one at a time with the same swab. Place the swab into the transport tube containing the Liquid Amies Transport Medium. When using the dual rayon swabs, keep both swabs attached to the red cap at all times. Holding the swab cap with both swabs attached, sample each nare one at a time. Place the dual swab specimens into the transport tube containing the Liquid Stuart Medium. […] Transport Temperature Refrigerated (cold packs) […] Reject Criteria Non-validated specimen types • Wire swabs • ESwab in a non-white cap.

• #2 Methicillin-resistant Staphylococcus aureus (MRSA) – Symptoms, diagnosis and treatment | BMJ Best Practice US

  https://bestpractice.bmj.com/topics/en-us/910

  MRSA is an important cause of infection in both healthy people in the community and in patients in healthcare institutions. […] It is important to distinguish MRSA colonization from infection. […] Healthcare-associated MRSA infections and community-associated MRSA infections exhibit important differences in antibiotic susceptibility. […] Community-associated MRSA most commonly results in skin and soft-tissue infections and therapy can often be with oral antibiotics. […] Healthcare-associated MRSA infections usually require treatment with intravenous antibiotics. […] Isolation of patients with MRSA, through contact precautions, may help to prevent spread of infection. […] MRSA infections can include syndromes of bacteremia, pneumonia, endocarditis, joint infections, and skin or soft-tissue infections.

• #2 MRSA: Nursing Diagnoses, Care Plans, Assessment & Interventions | NurseTogether

  https://www.nursetogether.com/mrsa-nursing-diagnosis-care-plan/

  A standard diagnostic procedure to screen for MRSA colonization is DNA PCR of MRSA from the nares. A positive result does not necessarily confirm infection, but a negative result rules out infection. […] Nursing interventions and care are essential for the patients recovery. […] Administer empiric antibiotics if MRSA infection is confirmed or suspected. […] The use of empiric antibiotic therapy depends on the following: Disease type, Local S. aureus patterns of resistance, Medication accessibility, Side effect profile, Patient-specific information. […] IV vancomycin is the drug of choice for MRSA infections in hospitalized patients. […] Proper wound care is essential in preventing the spread of infection and further damage to the tissues. […] If the patient has MRSA-infected wounds, it is essential to properly care for them to prevent worsening infection. […] Patients at risk for MRSA infection (transfer from LTC facility/prison, invasive lines, immunosuppression) or with a history of MRSA should be screened for MRSA via nasal swabbing. […] Adherence to aseptic/sterile technique decreases the chances of bacterial spread.

• #2 Methicillin-resistant Staphylococcus aureus (MRSA) Basics | MRSA | CDC

  https://www.cdc.gov/mrsa/about/index.html

  A healthcare provider must send a clinical specimen to a laboratory to determine if MRSA is the cause of an infection. […] Healthcare providers often prescribe antibiotics to treat MRSA infections. Some types of S. aureus infections need surgery to drain infected areas. Your healthcare provider will determine which treatments are best for you. While MRSA can be resistant to several antibiotics, meaning these drugs cannot cure the infections, there are antibiotics available to treat MRSA infections.

• #2 MRSA Treatment | National Jewish Health

  https://www.nationaljewish.org/conditions/mrsa/diagnosis-treatment

  How is MRSA diagnosed? A culture of the suspected infected areas may be sent to the lab to identify the bacteria and test for effective antibiotics. […] When it is known that a patient has a MRSA infection, several additional precautions may be taken: […] Tell your health care providers that you have MRSA.

• #2 Methicillin-resistant Staphylococcus aureus (MRSA) – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/910

  MRSA is an important cause of infection in both healthy people in the community and in patients in healthcare institutions. […] It is important to distinguish MRSA colonisation from infection. […] Healthcare-associated MRSA infections and community-associated MRSA infections exhibit important differences in antibiotic susceptibility. […] Community-associated MRSA most commonly results in skin and soft-tissue infections and therapy can often be with oral antibiotics. […] Healthcare-associated MRSA infections usually require treatment with intravenous antibiotics. […] Isolation of patients with MRSA, through contact precautions, may help to prevent spread of infection. […] Key diagnostic factors include presence of risk factors, erythematous skin lesions or pustules, irritation or pain at indwelling catheter site, and heart murmur and other signs of endocarditis.

• #2 FDA authorizes marketing of diagnostic test that uses novel technology to detect MRSA bacteria | FDA

  https://www.fda.gov/news-events/press-announcements/fda-authorizes-marketing-diagnostic-test-uses-novel-technology-detect-mrsa-bacteria

  Today, the U.S. Food and Drug Administration authorized marketing of a new diagnostic test based on bacterial viability and novel technology to detect Methicillin-resistant Staphylococcus aureus (MRSA) bacterial colonization, a widespread cause of hospital-acquired infections. […] The cobas vivoDx MRSA test uses a new bacteriophage technology based on bioluminescence to detect MRSA from nasal swab samples in as little as 5 hours compared to 24-48 hours for conventional culture. […] Diagnostic tests that can more quickly and easily detect MRSA could benefit patient care and may help healthcare providers prevent the spread of MRSA. […] The FDA reviewed data from performance studies in which the cobas vivoDx MRSA test correctly identified MRSA in approximately 90% of samples where MRSA was present and correctly identified no MRSA in 98.6% of samples that did not have MRSA present. […] The cobas vivoDx MRSA test authorized today is intended to aid in the prevention and control of MRSA infections in healthcare settings and can be used to identify patients needing enhanced precautions for infection control such as isolation and additional decolonization efforts.

• #2 Diagnostic Test for Rapid MRSA Detection Gets Market Clearance – MPR

  https://www.empr.com/home/news/diagnostic-test-for-rapid-mrsa-detection-gets-market-clearance/

  The Food and Drug Administration (FDA) has authorized marketing of a new diagnostic test, cobas vivoDx MRSA (Roche Molecular Systems Inc), to detect methicillin-resistant Staphylococcus aureus (MRSA) bacterial colonization and aid in the prevention and control of MRSA infections in healthcare settings. […] The cobas vivoDx MRSA test provides rapid phenotypic detection of MRSA colonization through bioluminescence using new bacteriophage technology. The diagnostic test allows healthcare professionals to detect MRSA from nasal swab samples in about 5 hours compared to 24-48 hours with traditional culture-based techniques. […] The FDAs authorization for marketing was based on data from performance studies reviewed through the de novo premarket regulatory pathway. Findings from the studies showed that the cobas vivoDx MRSA test correctly identified MRSA in approximately 90% of samples with MRSA present, and correctly identified no MRSA in 98.6% of samples that did not have MRSA present.

• #2 cobas® MRSA/SA Test, for use on the cobas® 4800 system

  https://diagnostics.roche.com/us/en/products/lab/cobas-mrsa-sa-test-rmd-4800-mrsasa-001.html

  The cobas MRSA/SA Test on the cobas 4800 system is a qualitative in vitro diagnostic real-time PCR assay, for the direct detection of methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus (SA) DNA from nasal swabs to aid in the prevention and control of MRSA and SA infections in healthcare settings. The cobas MRSA/SA Test is not intended to diagnose, guide or monitor treatment for MRSA or SA infections, or provide results of susceptibility to methicillin. A negative result does not preclude MRSA/SA nasal colonization. Concomitant cultures are necessary only to recover organisms for epidemiology typing or for further susceptibility testing.

• #2 RIDA®GENE MRSA (en) – Clinical Diagnostics

  https://clinical.r-biopharm.com/products/ridagene-mrsa/

  Early, rapid and systematic MRSA screening allows infected patients to be specifically treated and appropriate hygiene methods to be introduced to prevent the transmission and spread of MRSA. […] Using conventional culturing methods, 48 to 72 hours are needed to detect MRSA. Real-time PCR tests allow early and fast MRSA screening on the date of hospital admission as part of the infection prevention program (search and destroy strategy).

• #2 RIDA®GENE MRSA (en) – Clinical Diagnostics

  https://clinical.r-biopharm.com/products/ridagene-mrsa/

  For in vitro diagnostic use. The RIDAGENE MRSA test, performed on the Roche LightCycler 480 II, is a multiplex real-time PCR for the direct qualitative detection of methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-susceptible Staphylococcus aureus (MSSA) DNA in untreated human nasal/throat swabs, wound swabs, and culture in asymptomatic individuals and in individuals showing signs and symptoms of infection caused by MRSA. […] The RIDAGENE MRSA Test is intended to support the diagnosis of staphylococcus infections (methicillin-resistant Staphylococcus aureus (MRSA), methicillin-susceptible Staphylococcus aureus (MSSA)) in asymptomatic individuals and in individuals showing signs and symptoms of infection caused by MRSA in connection with other clinical and laboratory findings. Negative results do not rule out staphylococcus infection (methicillin-resistant Staphylococcus aureus (MRSA), methicillin-susceptible Staphylococcus aureus (MSSA)) and should not be used as the sole basis for diagnosis.

• #2 MRSA Screening: Candidates, Procedure, Results, and Next Steps

  https://www.healthline.com/health/mrsa-screening

  MRSA screening is a low risk procedure used to determine whether you have MRSA on your skin or a MRSA infection. Antibiotic treatments are available if you test positive. […] MRSA screening allows doctors to quickly detect and begin appropriate treatment for those with MRSA infections. […] MRSA screening is the diagnostic testing doctors use to determine whether MRSA is present on or in a persons body. Its also known as MRSA testing. […] MRSA screening can be used to see if you have a MRSA infection and whether treatments are working. […] If you receive a positive MRSA test result, you have MRSA on or in your body. […] If you have a positive test result and are showing signs of infection, its important to start treatment quickly. […] MRSA screening is low risk, and testing samples can be collected through swabs, blood draws, or urine. Antibiotic treatments are available for those whose results come back positive.

• #2 Methicillin-Resistant Staphylococcus aureus – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK482221/

  Clinical suspicion in patients with risk factors related to MRSA infection is crucial in diagnostic and therapeutic intervention. Confirmation of MRSA infection should not delay treatment with empiric antibiotics against MRSA. Clinicians should send samples from suspected sources of infection for analysis including blood, sputum, urine, or wound scraping. […] A positive Gram stain with cocci in clusters is suggestive of S. aureus. DNA polymerase chain reaction (PCR) of MRSA is the most sensitive test and gold standard test if cultures are inconclusive. […] DNA PCR of MRSA from nares is a frequently employed diagnostic test to rule out MRSA colonization. It is not a confirmatory test of MRSA infection, but a negative test is highly sensitive to rule out MRSA infection. […] The selection of empiric antibiotic therapy for the treatment of MRSA infection depends on the type of disease, local S. aureus resistance patterns, availability of the drug, side effect profile, and individual patient profile. […] Follow-up cultures should be repeated to document clearance of the infection from the bloodstream. Persistent, positive cultures after 48 hours of treatment should prompt further evaluation related to drug susceptibility and source control.

• #2 MRSA: Nursing Diagnoses, Care Plans, Assessment & Interventions | NurseTogether

  https://www.nursetogether.com/mrsa-nursing-diagnosis-care-plan/

  MRSA, or Methicillin-Resistant Staphylococcus Aureus, is a bacterium that causes infection to different parts of the body and is challenging to treat as it is resistant to the most commonly-prescribed antibiotics. […] MRSA can be spread through skin-to-skin contact in the community but can also cause serious bloodstream or respiratory infections in healthcare settings. […] Treatment goals for MRSA infection involve preventing complications, relieving symptoms, and initiating infection control. […] Nurses play an important role in preventing the spread of infection. Strict contact precautions must be initiated to prevent the transmission of MRSA in the healthcare setting. […] The first step of nursing care is the nursing assessment, during which the nurse will gather physical, psychosocial, emotional, and diagnostic data.

• #2 Failure to Diagnose a MRSA Infection | Baltimore Medical Malpractice Lawyers

  https://www.arfaalawgroup.com/medical-negligence-and-personal-injury/medical-malpractice/failure-to-diagnose-or-treat-misdiagnosis/failure-to-diagnose-a-mrsa-infection/

  MRSA infections can be deadly, and a patients prognosis depends, in part, on the timeliness of their diagnosis. […] A doctors failure to diagnose a MRSA infection is frequently grounds for pursuing malpractice claims. […] In most instances, laboratory tests are needed to determine if a person has MRSA or another infection. […] MRSA infections require urgent care, and delays can be fatal. Thus, people who suffer losses due to a doctors failure to diagnose a MRSA infection will often seek compensation in a medical malpractice lawsuit. […] The failure to diagnose a MRSA infection can have life-altering consequences.

• #2 Methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus (SA)

  https://diagnostics.roche.com/global/en/article-listing/health-topics/infectious-diseases/mrsa.html

  Prompt diagnosis and treatment are of utmost importance. […] MRSA is a bacterial infection which causes the same infection as SA, however it is dangerous due to its resistance to many antibiotics that successfully treat normal SA. […] The substantial human suffering and financial burden of these endemic infections prompt an urgent need for healthcare facilities to establish effective surveillance for infection control and prevention. […] To address the evolving problem of MRSA/SA, growing numbers of hospitals are partnering with microbiology labs to incorporate MRSA/SA screening and surveillance to identify and control these infections. […] By implementing a reliable surveillance program that rapidly and accurately detects colonised patients, clinical microbiology and infection control can help reduce the worldwide burden and spread of these costly infections.

• #2 Global MRSA testing Market : Allied Market Research

  https://www.alliedmarketresearch.com/MRSA-testing-market

  MRSA (Methicillin-resistant Staphylococcus aureus) testing is utilized to detect MRSAs and no other microbes. It is prominently employed in hospitals, especially in intensive care units to inhibit MRSA from spreading to other patients. […] On larger levels such as community and society, the MRSA test can be employed to detect the source of an outbreak. For a national level addition, testing and research may help scientists determine the cause. […] The growth of the global MRSA testing market is driven by an increase in the demand for POC (point of care) diagnostics in MRSA. Moreover, technological advancements in POC devices and tests are expected to boost the market growth. […] The global MRSA testing market is segmented on the basis of type, application, and geography. Based on type the market is bifurcated into immunodiagnostics and molecular diagnostics. Based on applications the market is divided into hospitals, diagnostics laboratories, and academic research institute.

• #2 MRSA Overview | Bruker

  https://www.bruker.com/en/products-and-solutions/molecular-diagnostics/assays/antimicrobial-resistance/mrsa-overview.html

  MRSA is an increasing health threat all over Europe. […] The introduction of MRSA screening based on faster and more reliable diagnostics is necessary. […] Based on the Hain Lifescience GenoType and FluoroType technologies, our MRSA test systems enable fast and cost-effective MRSA diagnostics. […] An MRSA screening based on rapid and reliable diagnosis during or even better before inpatient admission is indispensable. […] Your test system for direct detection of methicillin-resistant Staphylococcus aureus strains from patient samples. […] Your test system for rapid identification of methicillin-resistant Staphylococci from culture samples.

• #2 MRSA: diagnosis, screening and management – The Pharmaceutical Journal

  https://pharmaceutical-journal.com/article/ld/mrsa-diagnosis-screening-and-management

  MRSA infection is clinically indistinguishable from MSSA (methicillin-susceptible S. aureus) infection, however, it has a stronger association with hospital-acquired infections than MSSA and case fatality ratios tend to be higher for MRSA bacteraemia compared with MSSA bacteraemia. […] Depending on the clinical infection syndrome suspected and the severity of clinical illness, empirical antibiotics may be started based on local microbiological guidelines for the suspected syndrome. […] MRSA decolonisation is not routinely required for asymptomatic carriers of MRSA in the community. […] Antibiotic prophylaxis should be given to patients undergoing any surgery that is not defined as ‘clean non-prosthetic uncomplicated surgery’, according to NICE guidelines. […] Vancomycin and teicoplanin (both given parenterally) remain the antibiotics of choice for treatment of MRSA infection.

• #2 MRSA: Causes, Symptoms, Diagnosis, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/11633-methicillin-resistant-staphylococcus-aureus-mrsa

  MRSA (methicillin-resistant Staphylococcus aureus) is a type of bacteria that many antibiotics dont work on. MRSA most often causes skin infections, but it can also cause serious illnesses that are hard to treat. […] MRSA infections are hard to treat because very few antibiotics are effective against them. […] A healthcare provider diagnoses MRSA by sending a sample of body tissue or fluid to a lab to be tested. […] Providers treat MRSA infections by caring for open wounds and finding antibiotics that are effective against the strain of MRSA you have. […] Antibiotics a provider might use to treat MRSA include: Vancomycin, Rifampin, Trimethoprim/sulfamethoxazole (TMP/SMX), Ceftaroline, Linezolid, Daptomycin, Clindamycin, Doxycycline, Delafloxacin. […] Yes, more than half of all MRSA cases are cured with antibiotics, and providers successfully treat most MRSA skin infections.

• #2 MRSA: diagnosis, screening and management – The Pharmaceutical Journal

  https://pharmaceutical-journal.com/article/ld/mrsa-diagnosis-screening-and-management

  Pharmacists should be able to undertake TDM to optimise a patient’s therapy to minimise the risk of adverse reactions. […] Adherence is vital and patients should be involved in the decision-making process. […] It is therefore important for healthcare professionals to understand the diagnosis, screening and management of MRSA-colonised and MRSA-infected patients, in combination with IPC guidance, and apply these to day-to-day practice.

• #3 MRSA infection – Symptoms & causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/mrsa/symptoms-causes/syc-20375336

  Methicillin-resistant Staphylococcus aureus (MRSA) infection is caused by a type of staph bacteria that’s become resistant to many of the antibiotics used to treat ordinary staph infections. […] MRSA infections can resist the effects of many common antibiotics, so they’re more difficult to treat. This can allow the infections to spread and sometimes become life-threatening. […] If wounds appear infected or are accompanied by a fever, see your doctor.

• #3 MRSA Infection: Symptoms, Causes, Treatment, Contagious, Pictures & Superbug

  https://www.medicinenet.com/mrsa_infection/article.htm

  What tests do medical professionals use to diagnose a MRSA infection? […] Most doctors start with a complete history and physical exam of the patient to identify any skin changes that may be due to MRSA, especially if the patient or caretaker mentions a close association with a person who has been diagnosed with MRSA. If possible, a sample of pus from a wound, blood, or urine is sent to a microbiology lab and cultured for S. aureus. Deep infections (such as bone) may require the removal of a piece of tissue for testing (biopsy). If S. aureus is isolated (grown on a petri plate), the bacteria are then exposed to different antibiotics, including methicillin. S. aureus bacteria that grow well when methicillin is in the culture are termed MRSA, and the patient is diagnosed as MRSA-infected. Often there is no material to culture, and doctors treat the person with antibiotics that kill MRSA as well as more common bacteria until more information is available. This is called empiric therapy, meaning that doctors make their best guess on what bacteria are likely to be the cause of infection, until the bacteria have been definitively identified.

• #3 Methicillin-Resistant Staphylococcus aureus – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK482221/

  Clinical suspicion in patients with risk factors related to MRSA infection is crucial in diagnostic and therapeutic intervention. Confirmation of MRSA infection should not delay treatment with empiric antibiotics against MRSA. Clinicians should send samples from suspected sources of infection for analysis including blood, sputum, urine, or wound scraping. […] A positive Gram stain with cocci in clusters is suggestive of S. aureus. DNA polymerase chain reaction (PCR) of MRSA is the most sensitive test and gold standard test if cultures are inconclusive. […] DNA PCR of MRSA from nares is a frequently employed diagnostic test to rule out MRSA colonization. It is not a confirmatory test of MRSA infection, but a negative test is highly sensitive to rule out MRSA infection. […] The selection of empiric antibiotic therapy for the treatment of MRSA infection depends on the type of disease, local S. aureus resistance patterns, availability of the drug, side effect profile, and individual patient profile. […] Follow-up cultures should be repeated to document clearance of the infection from the bloodstream. Persistent, positive cultures after 48 hours of treatment should prompt further evaluation related to drug susceptibility and source control.

• #3 Learning about MRSA: A guide for Patients – MN Dept. of Health

  https://www.health.state.mn.us/diseases/staph/mrsa/book.html

  Many people with active infections are treated effectively, and no longer have MRSA. […] However, sometimes MRSA goes away after treatment and comes back several times. […] If MRSA infections keep coming back again and again, your doctor can help you figure out the reasons you keep getting them. […] If you have ever had an active MRSA infection or you are a carrier, you should tell your health care providers. […] You would not usually be tested for MRSA unless you have an active infection. […] If you have a skin infection, your doctor may take a sample of the area to find out what bacteria is causing your infection. This is called taking a culture. […] The lab will then test the bacteria to find out which antibiotic is best for you. […] If your MRSA infections keep coming back again and again, your doctor may test you and your family members to see if you are carriers. […] In this case, the doctor would take a culture from the nose or other areas where MRSA can be found.

• #3 Culture, MSSA and MRSA Surveillance Screen (Nasal Only) » Incyte Diagnostics

  https://www.incytediagnostics.com/laboratory-services/test-directory/TestDetails/culture-mssa-and-mrsa-surveillance-screen-nasal-only

  Screen for methicillin-susceptible Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus (MRSA) colonization of patients prior to surgery, or staff in healthcare settings. […] This test is not intended to establish diagnosis of MRSA/MSSA infection.

Zobacz więcej