Materiały źródłowe

• #1 Chiari malformation – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/chiari-malformation/symptoms-causes/syc-20354010

  Many people with Chiari malformation have no symptoms and don’t need treatment. They learn they have Chiari malformation only when tests are performed for unrelated conditions. But some types of Chiari malfunction can cause symptoms. […] In Chiari malformation type 1, symptoms usually appear during late childhood or adulthood. Bad headaches are the classic symptom of Chiari malformation. They generally occur after sudden coughing, sneezing or straining. People with Chiari malformation type 1 also can experience: Neck pain. Unsteady walk and trouble with balance. Poor hand coordination. Numbness and tingling of the hands and feet. Dizziness. Trouble swallowing. This sometimes happens with gagging, choking and vomiting. Speech changes, such as hoarseness. […] In Chiari malformation type 2, a greater amount of tissue extends into the spinal canal compared with that in Chiari malformation type 1. Symptoms can include those related to a form of spina bifida called myelomeningocele. Chiari malformation type 2 nearly always occurs with myelomeningocele. In myelomeningocele, the backbone and the spinal canal don’t close properly before birth. Symptoms may include: Changes in breathing pattern. Trouble swallowing, such as gagging. Quick downward eye movements. Weakness in the arms.

• #1 Chiari Malformation: What It Is, Symptoms, Types & Treatment

  https://my.clevelandclinic.org/health/diseases/6008-chiari-malformation

  A Chiari malformation is a structural abnormality in your skull that causes part of your brain to move into your spinal canal. You may have mild or severe symptoms or no symptoms at all. It usually causes headaches and difficulty with balance and coordination, as it affects your cerebellum. Surgery may help. […] You may experience the following symptoms if you have a Chiari malformation. […] Common symptoms of Chiari malformations include: […] Symptoms vary from person to person and range from no symptoms to mild to severe symptoms. In some people, symptoms are present at birth. In others, symptoms appear in late childhood or adulthood. Symptoms may also get better or worse at different points in time. […] A Chiari malformation can be very serious in some cases, but not all. In most cases, babies are born with a Chiari malformation. However, symptoms arent always present, and a diagnosis wont happen until late childhood or adulthood when a healthcare provider orders an imaging test for another unrelated reason.

• #1 The Chiari I malformation in: Journal of Neurosurgery: Pediatrics Volume 24 Issue 3 (2019) Journals

  https://thejns.org/pediatrics/view/journals/j-neurosurg-pediatr/24/3/article-p217.xml

  Aside from the aforementioned exceptions, symptoms of CIM generally correlate between adult and pediatric patient populations. Symptoms can typically be assigned to one of three categories: 1) symptoms related to CSF obstruction, 2) symptoms related to brainstem or cerebellar compression/dysfunction (including cranial nerves), and 3) symptoms related to spinal cord dysfunction/syringomyelia. […] Valsalva- or strain-induced headaches are the sequelae of CSF obstruction at the foramen magnum commonly associated with CIM. They can be caused by either tonsillar descent into the foramen with obstruction or arachnoid occlusions of the CSF pathways, resulting in transient increases in ICP. Headaches of this nature are localized to the occipital and upper cervical region and are induced by Valsalva-producing activities. They are typically brief, lasting seconds or a few minutes. It is important to note the specificity of headache type associated with CIM. Frequently, patients also complain of chronic headaches, migrainous symptoms, or nonValsalva maneuverinduced headaches, but these are not typically attributable to CIM pathophysiology and should not be used as a justification for surgical intervention.

• #1 Chiari malformation | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/chiari-malformation?content_id=CON-20197159

  Chiari malformation is a condition in which brain tissue extends into the spinal canal. […] Symptoms may not occur until late childhood or adulthood. […] Many people with Chiari malformation have no symptoms and don’t need treatment. […] But some types of Chiari malfunction can cause symptoms. […] In Chiari malformation type 1, symptoms usually appear during late childhood or adulthood. […] Bad headaches are the classic symptom of Chiari malformation. […] People with Chiari malformation type 1 also can experience neck pain, unsteady walk and trouble with balance, poor hand coordination, numbness and tingling of the hands and feet, dizziness, trouble swallowing, and speech changes, such as hoarseness. […] Less often, people with Chiari malformation may experience ringing or buzzing in the ears, weakness, slow heart rhythm, curvature of the spine, and trouble with breathing.

• #1 Pediatric Chiari Malformations – Conditions and Treatments | Children’s National Hospital

  https://www.childrensnational.org/get-care/health-library/chiari-malformations

  The most common symptoms of a Chiari malformation may include: Rapid, back and forth eye movement […] Developmental delays […] Poor feeding and swallowing […] Stiffness or pain in the neck or back of the head area […] Weak cry […] Breathing problems […] Headaches […] Decreased strength in the arms. The symptoms of Chiari malformation may resemble other conditions or medical problems. Always consult your child’s doctor for a diagnosis. The full extent of the problems associated with a Chiari malformation are usually not completely understood immediately at birth, but may be revealed as the child grows and develops. Children born with a Chiari malformation require frequent examinations and diagnostic testing by his or her doctor to monitor the development of the head as the child grows.

• #1 Chiari Malformation | University of Iowa Health Care Stead Family Children’s Hospital

  https://uihc.org/childrens/services/chiari-malformation

  Most babies born with Chiari malformation type 2 also have a type of spina bifida called myelomeningocele. This means there is an abnormal opening in the spine. Part of the spinal cord and spinal nerves push through this opening and balloon out of the babys back. […] Because these conditions tend to occur together, babies may have symptoms of both. Theyre usually apparent right after birth or in early infancy and include: Arm weakness, Breathing pauses (apnea), Constipation, Failure to thrive, Fussiness, Quick downward eye movements, Swallowing problems.

• #1 Chiari malformation – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/chiari-malformation/symptoms-causes/syc-20354010

  Chiari malformation type 3 is the most serious type of the condition. A portion of the lower back part of the brain, known as the cerebellum, or the brainstem extend through an opening in the skull. This form of Chiari malformation is diagnosed at birth or during pregnancy with an ultrasound. Chiari malformation type 3 causes brain and nervous system issues and has a higher rate of death. […] In some people, Chiari malformation may have no symptoms and they don’t need treatment. In others, Chiari malformation gets worse over time and leads to serious complications.

• #1 Chiari Malformation | Riley Children’s Health

  https://www.rileychildrens.org/health-info/chiari-malformation

  A Chiari malformation occurs when parts of the brain protrude through an opening in the base of the skull (foramen magnum) that normally only contains the spinal cord. […] Many adults and children with Chiari malformations have no symptoms at all. Symptoms can vary by age group and be present alone or in combination. […] Symptoms of type I Chiari malformation include: Severe head and neck pain, Headache pain at the base of the skull, Collapsing from muscle weakness, Dizziness, Balance problems, Spasticity, Blurred or double vision, Sensitivity to bright lights. […] Symptoms of type II Chiari malformation include: Altered breathing, Central sleep apnea, Depressed gag reflex, Involuntary rapid downward eye movements, Loss of arm strength, Scoliosis, Headaches. […] Type III and type IV Chiari malformation is rare, and children who are born with these types often do not survive. Symptoms of type III and type IV Chiari malformation include: Severe neurological deficits, Hydrocephalus, Other severe birth defects.

• #1 Chiari Malformation: Symptoms, Types and Treatment

  https://www.webmd.com/brain/chiari-malformation-symptoms-types-treatment

  Nausea and vomiting […] Trouble sleeping (insomnia) […] Depression […] Sleep apnea. […] Symptoms of type II Chiari malformation are usually related to myelomeningocele and hydrocephalus, such as: […] Loss of arm strength […] Involuntary, fast, downward eye movements […] Reduced gag reflex […] Altered breathing patterns, including times when you stop breathing (apnea). […] Type III Chiari malformations are very rare, and people born with this may have severe neurological symptoms very early in life. Many people may also have hydrocephalus and other birth anomalies. Type IV Chiari malformations are rarer than type III and the people born with it often have other malformations in their brain and brainstem.

• #1 Chiari Malformation | Types, Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/c/chiari-malformation

  About half of patients with a Chiari I malformation also develop a syrinx, which is sometimes called a syringomyelia or hydromyelia. A syrinx is a fluid-filled cavity in the spinal cord. It occurs when the normal flow of cerebrospinal fluid is obstructed. […] A syrinx expands over time. It can injure nerve fibers in the spinal cord. It eventually can cause symptoms such as: muscle weakness in the extremities, muscle stiffness, reduced ability to feel pain or temperature, chronic pain, loss of bladder and bowel control, numbness and tingling, clumsiness. […] Chiari II is most often seen in infants with myelomeningocele, a form of spina bifida. Symptoms can include swallowing problems and slow or noisy breathing. The condition can lead to feeding problems, gagging, drooling and vomiting.

• #1 Understanding Chiari Malformation Comorbidities

  https://practicalneurology.com/articles/2022-july-aug/understanding-chiari-malformation-comorbidities

  Progression of noncommunicating syringomyelia symptomatology in CM-I is caused by the action of the cerebellar tonsils, which partially occlude the subarachnoid space at the foramen magnum and act as a piston on the partially enclosed spinal subarachnoid space. […] Later in the course of the syrinx, with distortion of various spinal cord pathways, segmental weakness, atrophy, upper motor neuron signs, and autonomic dysfunction may develop. […] In a retrospective evaluation of 364 persons with symptomatic CM-I, trauma was the most commonly reported precipitating factor (24.5%). […] A systematic literature was conducted to try to determine whether a person with asymptomatic CM-I could become symptomatic as a result of head and neck trauma. […] These observations suggest that traumatic worsening of CM-I and syringomyelia requires MRI evidence of edema, swelling, or contusion within the spinal cord/brainstem region.

• #1 The Chiari I malformation in: Journal of Neurosurgery: Pediatrics Volume 24 Issue 3 (2019) Journals

  https://thejns.org/pediatrics/view/journals/j-neurosurg-pediatr/24/3/article-p217.xml

  Spinal cord dysfunction most commonly manifests due to syringomyelia associated with CIM. Upper and lower motor neuron signs can both be seen and are frequently present in the same patient. Sensory dysfunction typically affects pain and temperature, while light touch and proprioception remain unaffected. Scoliosis can also be a manifestation of syringomyelia in the pediatric population. Levoscoliosis and single curve is more concerning for CIM and syringomyelia, as opposed to dextroscoliosis, which is most commonly associated with idiopathic scoliosis. […] In making the decision to treat a patient with CIM, an understanding of the natural history is important. The natural history of asymptomatic or minimally symptomatic CIM is likely benign, with 93% of patients remaining clinically stable or improving after serial imaging with several years of follow-up. Thus, in this patient population, follow-up with serial imaging is a reasonable approach. This includes patients with nonValsalva-induced headaches or atypical headaches, who should not be considered for surgery without more obvious referable symptoms. Indications for surgical intervention should include only those in patients with obvious symptoms attributable to either the CIM or a spinal syrinx. These populations include the following: 1) patients with classic Valsalva-induced headaches, 2) patients with an associated syrinx, and 3) patients with neurological sequelae associated with pathology at the foramen magnum, cervicomedullary junction, or lower cranial nerve dysfunction. These indications are generally accepted for surgical intervention in pediatric and adult patient populations with CIM.

• #1 Can Chiari Malformation Get Worse?

  https://www.neurosurgeonsofnewjersey.com/blog/can-chiari-malformation-get-worse/

  If you have been diagnosed with Chiari malformation, one of the first questions you may have is, Can Chiari malformation get worse? The simple answer is, yes, it can, which is why many (though not all) patients will require treatment. […] A buildup of fluid in the spinal cord can develop and progress, leading to increased damage to vital structures. Furthermore, changes in the surrounding tissues that occur with normal ageing can result in reduced flexibility and worsened symptoms. […] While not every patient with Chiari malformation will require treatment, you can see that the answer to your original question, Can Chiari malformation get worse? is that it has the potential to, depending on the individual.

• #1 Chiari Malformation – Seattle Children’s

  https://www.seattlechildrens.org/conditions/chiari-malformation/

  Some children with a Chiari malformation do not have symptoms. But the condition can cause headaches, balance problems or compression of the brain or spinal cord. […] Your child may not have symptoms. Symptoms are more likely if the malformation blocks the flow of CSF or puts pressure on the brain or spinal cord. Your child may have 1 or more of these: Headaches in the back of the head or headaches that get worse with straining, coughing or laughing, Balance problems, which may cause trouble walking, Neck pain, Weakness, Numbness, Pain or tingling in their arms, Quick eye movements they can’t control, often from side to side, Trouble with small motor tasks, such as writing or cutting with scissors, Swallowing problems or reduced gag reflex, Trouble breathing while asleep (sleep apnea). […] Symptoms can happen at any time. They may start or get worse after an injury, physical effort or straining, such as exercising, coughing or sneezing.

• #1 Chiari Malformation: Symptoms, Types and Treatment | Froedtert & MCW

  https://www.froedtert.com/chiari-malformation

  According to the National Organization for Rare Disorders, CM symptoms vary greatly between individuals. Some people with CM experience no symptoms and need no treatment. In other cases, even a small protrusion of the cerebellar tonsils (3 mm or less) can cause symptoms. The most common CM symptoms include: […] In general, straining and exertion can worsen CM symptoms. Pregnancy can also temporarily accentuate the symptoms. […] Treatment options for CM vary depending on the severity of the condition. If people with the condition have no symptoms, their doctors will simply monitor the malformation. CM symptoms such as headaches and dizziness may at times be successfully treated with medication. However, if a CM seriously impairs a person’s quality of life, surgery is indicated.

• #1 Symptoms of Chiari Malformation | Neurological Surgery

  https://neurosurgery.weillcornell.org/condition/chiari-malformation/symptoms-chiari-malformation

  Excessive drooling […] A weak cry […] Arm weakness […] Stiff neck […] Problems breathing […] Developmental delays […] Failure to gain weight. […] Infants with Type II, Type III or Type IV Chiari have more obvious signs and are often diagnosed while still in utero. These types of Chiari are very rare, and can cause serious neurological issues or death.

• #1 Chiari Malformations: Symptoms & Causes | NewYork-Presbyterian

  https://www.nyp.org/pediatrics/neurology-and-neurosurgery/chiari-malformations

  Chiari malformation symptoms may vary and depend on the type of malformation. Type I Chiari malformation symptoms typically appear in adolescence or early adulthood, as the skull and tissues of the neck mature. […] Type I symptoms include: Headache that gets worse with exertion, including exercise, coughing, sneezing, or laughing. Stiffness or pain at the base of the neck or back of the head area. Dizziness. Tingling or numbness, usually in the hands (and rarely in the legs). Unsteady gait. Loss of fine motor skills. Difficulty swallowing or choking on liquids. Spine deformity (scoliosis). […] Types I to IV – Infants with any type of Chiari malformation may show the following symptoms: Difficulty swallowing. Gagging or vomiting. Irritability during feeding. Excessive drooling. A weak cry. Arm weakness. Stiff neck. Problems breathing. Developmental delays. Failure to gain weight. […] The symptoms of a Chiari malformation may resemble other medical conditions. An accurate and early diagnosis is essential to ensure proper treatment by pediatric neurosurgeons who specialize in Chiari malformations and other complex congenital conditions.

• #1 Chiari Malformation in Infants | Birth Injury Center

  https://birthinjurycenter.org/chiari-malformation-in-infants/

  Experts have estimated that the incidence of Chiari malformation in infants is higher than one per every 1,000 births. Symptoms of Chiari malformation in newborns include headaches, difficulty swallowing, and difficulty breathing. […] Infants with mild types of CM may exhibit no symptoms, and it is difficult to diagnose CM in newborns. According to U.K. researchers, parents should be alert to signs such as irritability, head banging, and nighttime wakening in infants. […] Infants with more severe types of Chiari malformation may also experience breathing problems, gagging or choking frequently, and unusual eye movements.

• #1 The Chiari I malformation in: Journal of Neurosurgery: Pediatrics Volume 24 Issue 3 (2019) Journals

  https://thejns.org/pediatrics/view/journals/j-neurosurg-pediatr/24/3/article-p217.xml

  The clinical presentation of CIM differs slightly between adult and pediatric patient populations. Pediatric patients are more likely to present with signs of brainstem dysfunction, such as central sleep apnea or feeding difficulties. This is likely due to the difficulty of assessing headache and localizing pain in infants and younger children, causing them to present later in their clinical course after neurological sequelae have developed. The most common presenting symptom of CIM, in both adult and pediatric patients, is pain or headache within the occipital and cervical region. Classically, this is produced by Valsalva activities, such as coughing, sneezing, or laughing. Headaches can obviously be a difficult symptom to elucidate in a nonverbal population, such as infants and young children. Instead, pain symptoms can manifest as excessive crying, irritability, failure to thrive, and, in extreme situations, opisthotonos.

• #1 Chiari malformation in children – Children’s Health Neurology

  https://www.childrens.com/specialties-services/conditions/chiari-malformation

  Rarely, a child may develop vocal cord paralysis due to lower brainstem problems. This is a life-threatening problem that requires immediate treatment. […] Chiari malformation Type 1 is the most common Chiari malformation. It happens when the lowest part of the cerebellum protrudes into the spinal canal. Many children with this type don’t have symptoms or they develop symptoms during their teen or adult years.

• #1 Chiari Malformation: Symptoms, Causes, and Treatment Options

  https://brainfoundation.org.au/disorders/chiari-malformation/

  Symptoms often begin during infancy, although they are usually delayed until adolescence or adulthood. These usually include headache in the occipital region, vomiting, muscle weakness in the head and face, difficulty swallowing, and varying degrees of mental impairment. Paralysis of the arms and legs may also occur. […] As they grow older, adults and adolescents with Chiari malformation who previously showed no symptoms may show signs of progressive brain impairment, such as involuntary, rapid, downward eye movements. […] Many patients with Chiari malformation will also develop a cyst within the spinal cord (syringomyelia). These patients present with pain and numbness in the arms, legs, or trunk. In severe cases weakness and spasticity of the legs or arms also occurs.

• #1 Rapidly progressing monoparesis caused by Chiari malformation type I without syringomyelia

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3707328/

  Patients with Chiari malformation type I (CM-I) can manifest neurological symptoms, such as headache, neck pain, dysesthesia, swallowing disturbance, and paresis, which are usually stable or slowly progressive even if syringomyelia is coexistent. […] In some instances, however, acute onset of neurological symptoms has been reported but the pathogenetic mechanism and subsequent clinical course have not been explained. […] We report a case of an 11-year-old girl with CM-I diagnosed when she was aged 1 year and remained asymptomatic for 10 years before manifesting acute focal symptoms, including motor and sensory deficits in left upper forearm and dysphagia. […] An 11-year-old girl presented with the gradual onset over one day of sensory dysesthesia of her left forearm followed the day of admission by severe monoparesis of the ipsilateral forearm, increasing dysesthesia, and dysphagia.

• #1 Chiari Malformation Type I – Developmental and Behavioral Pediatrics – Golisano Children’s Hospital – University of Rochester Medical Center

  https://www.urmc.rochester.edu/childrens-hospital/developmental-disabilities/conditions/chiari-malformation-type-i.aspx

  Your child may not have any symptoms in the future. But some children develop complications. These include: Long-term pain. Development of syrinx. Permanent damage to muscles or nerves. Paralysis. […] It is hard for health care providers to predict how a Chiari malformation type I will affect a child’s long-term health. Your child may not have any changes caused by the defect. Or they may have nervous system problems that get worse.

• #1 Chiari Malformation

  https://www.princetonbrainandspine.com/conditions/brain/chiari-malformation/

  Untreated Chiari malformation type I may result in the development of fluid-filled cavities in the brain (hydrocephalus) or spinal cord (syrinx), which may eventually lead to syringomyelia. This condition can lead to irreversible brain or spinal cord damage. […] Patients with Chiari malformation type I are often non-symptomatic, so the condition may be found during an exam for another health concern. […] In Chiari type II, infants may present with difficulty swallowing, irritability, drooling, gagging or vomiting, arm weakness, neck stiffness or developmental delays. […] Once a Chiari malformation is diagnosed, it should be evaluated by an experienced neurosurgeon specializing in the disorder. Early diagnosis and treatment are important, and surgical results for Chiari malformation type I offer the best outcomes when the condition is treated promptly. Many patients continue to experience significant symptom improvement after surgery and are able to return to daily life without activity restrictions. […] Surgery may become necessary if a patient notices symptom progression, reports neurological deficits or experiences an enlarging syrinx.

• #1 Chiari Malformation: What It Is, Symptoms, Types & Treatment

  https://my.clevelandclinic.org/health/diseases/6008-chiari-malformation

  Although there isnt a cure for a Chiari malformation, treatment like surgery can help manage your symptoms to help you feel better and prevent life-threatening complications. […] Your outlook varies depending on the severity and type of Chiari malformation. Its important to work closely with your healthcare provider and care team, who can monitor your symptoms and determine the right treatment plan for you.

• #1 Is Having a Chiari Malformation Life Threatening? Stages

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

  Life expectancy for Chiari malformation depends on the type. Patients with Chiari type I malformation, the mildest form of the condition, are typically diagnosed in adulthood and have a normal life expectancy and good outcomes with treatment and/or surgery. […] Chiari type III malformation patients have a very high mortality rate, and patients often die in infancy due to respiratory failure. Chiari type IV malformations are incompatible with life.

• #1 Chiari malformation – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/chiari-malformation/diagnosis-treatment/drc-20354015

  To diagnose Chiari malformation, your health care professional reviews your medical history and symptoms and does a physical exam. […] Treatment for Chiari malformation depends on your condition. If you have no symptoms, your health care professional may recommend no treatment other than monitoring with regular exams and MRIs. […] When headaches or other types of pain are the primary symptom, your health care professional may recommend pain medicine. […] Chiari malformation that causes symptoms is usually treated with surgery. The goal is to prevent more damage to the central nervous system. Surgery also can ease or stabilize symptoms. […] The surgery reduces symptoms in most people. But if nerve injury in the spinal canal has already occurred, this procedure won’t reverse the damage. […] After the surgery, you’ll need regular follow-up exams with your health care professional. This includes regular imaging tests to assess the outcome of surgery and the flow of cerebrospinal fluid.

• #1 Chiari Malformation | Types, Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/c/chiari-malformation

  If the malformation is causing neck pain or headache, pain-relief medication may help. If your child is experiencing swallowing issues, speech therapy may be helpful. […] If the pain is severe, or your child is experiencing other symptoms that affect their quality of life, the medical team may recommend decompression surgery to relieve symptoms. Without surgery, a child will likely continue to have symptoms, which may worsen over time. […] When surgery is needed, results are often very positive. Many children are symptom-free or have significantly fewer symptoms.

• #1 Diagnosing and Treating Chiari Malformation | Neurological Surgery

  https://neurosurgery.weillcornell.org/condition/chiari-malformation/diagnosing-and-treating-chiari-malformation

  Chiari malformations can be difficult to diagnose, since the symptoms can be vague, or there may be no symptoms at all. […] Symptoms of leg numbness or scoliosis are more likely when a syrinx exists. […] Treatment may not be necessary at all when no symptoms are present. […] Type I Chiari, once diagnosed, is rarely progressive. However, since a small number of patients may show progressive symptoms or MRI changes, ongoing monitoring is recommended. […] The results of treatment for CM-I are excellent, with the majority of patients experiencing partial or complete resolution (80 to 90%) with few or no complications. […] Type I Chiari can be corrected with surgery to relieve the pressure on the spinal column.

• #1

  https://childrens.wvumedicine.org/blog/chiari-malformation-understanding-the-basics

  Symptoms not responding to conservative treatment and interfering with the patients quality of life. […] After surgery, patients often experience headaches and neck pain due to the surgery but soon as they heal, they feel relief and that their headaches are different and get better. In the long term, some individuals may need ongoing management but most times, they become symptom-free and return to their usual activities and even more.

• #1 Chiari Malformation – Leeds Teaching Hospitals NHS Trust

  https://www.leedsth.nhs.uk/patients/resources/chiari-malformation/

  The main symptoms people with Type I malformations might experience are: […] People might also experience nausea (feeling sick), vomiting (being sick), insomnia (difficulty sleeping) and depression. […] Some symptoms may persist such as Headaches – the operation is not meant to be curative for headaches and these may continue despite surgery. Low pressure symptoms such as headaches, dizziness and nausea may also occur and be expected post operatively which usually can be managed conservatively.

• #1 Chiari Malformation – AANS

  https://www.aans.org/patients/conditions-treatments/chiari-malformation/

  Many people with Chiari I malformation have no symptoms. However, any of the following symptoms may occur, alone or in combination. Some of the symptoms are related to the development of a syrinx (a fluid filled cavity in the spinal cord). […] The symptoms associated with a Chiari II malformation can also be caused by problems related to myelomeningocele and hydrocephalus. These symptoms include […] The benefits of surgery should always be weighed carefully against its risks. Although some patients experience a reduction in their symptoms, there is no guarantee that surgery will help every individual. Nerve damage that has already occurred usually cannot be reversed. Some surgical patients need repeat surgeries, while others may not achieve symptom relief.

• #1 Chiari Malformation Symptoms Improve After Minimally Invasive Brain Surgery at Duke | Duke Health

  https://www.dukehealth.org/blog/chiari-malformation-symptoms-improve-after-minimally-invasive-brain-surgery-duke

  Kendra Gerlach was used to chronic headaches; shed had them since childhood. […] In May 2022, the 50-year-old, Richmond, VA resident experienced a headache so excruciating that she went to her local emergency room. […] Six months after minimally invasive surgery to restore CSF circulation, Gerlachs headaches are shorter, less frequent, and less painful. […] The headache that landed Gerlach in the ER was unlike any other headache Ive had before, she said. […] A local neurosurgeon also discovered Gerlach had brain tissue extending into her spinal canal, a condition known as a Chiari malformation that Gerlach may have been born with. […] Chiari malformations can contribute to hydrocephalus, a build-up of CSF (which normally nourishes and protects the brain), and can cause ventriculomegaly, headaches, and other problems.

• #1 Understanding Chiari Malformation Comorbidities

  https://practicalneurology.com/articles/2022-july-aug/understanding-chiari-malformation-comorbidities

  The most common type of Chiari malformations is type I (CM-I), which is characterized by herniation of cerebellar tonsils more than 5 mm below the foramen magnum. CM-I presenting signs and symptoms are caused by compression of the cerebellum, brainstem, and upper cervical spinal cord, and disruption of cerebrospinal (CSF) fluid flow around and through the foramen magnum. A significant minority of those with CM-I are asymptomatic at diagnosis. Those with symptoms typically have headaches, neck pain, dizziness, and nausea. […] The common symptoms of CM-I include headache, neck pain, dizziness, muscle weakness or numbness, insomnia, depression, and difficulty with gait and coordination. […] When symptoms are present, the typical clinical presentation is a central cord syndrome characterized by a weakness that affects the arms more than the legs with loss of deep tendon reflexes at the level of the cavity.

• #1 Symptomatic Chiari Malformation – Spina Bifida Associationheaderheader-color

  https://www.spinabifidaassociation.org/resource/chiari-malformation/

  Chiari malformation (kee-AH-ree mal-for-MAY-shun) is a condition in which brain tissue extends into your spinal canal. It occurs when part of your skull is abnormally small or misshapen, pressing on your brain and forcing it downward. […] Chiari Type II or Arnold-Chiari malformation, is a more severe form in which the cerebellar vermis and some portion of the brain stem descend into the cervical spine. Many changes of the brain are associated with this abnormality. Although some degree of this malformation is present in the vast majority of people with Spina Bifida, it appears to be symptomatic in about one of three individuals.

• #1 Chiari I Malformation (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/chiari.html

  Some people with Chiari I malformation never have any symptoms. If symptoms do happen, they usually don’t show up until late childhood or the teen years. […] Signs and symptoms can include: headache (especially after sneezing, coughing, or straining), balance problems, neck pain, dizziness, vision problems, poor hand coordination, numbness and tingling of the hands and feet, change in bladder (pee) or bowel (poop) habits, trouble swallowing, hoarseness. […] Sometimes, children with Chiari I malformation can also have: a syringomyelia (ser-in-go-my-ILL-ee-uh): a fluid-filled space within the spinal cord, hydrocephalus (hi-droh-SEF-eh-less): a buildup of spinal fluid in the spaces deep within the brain, sleep apnea: periods when breathing stops during sleep, scoliosis: curvature of the spine.

• #1 Chiari Malformation: Causes, Types, Diagnosis, Treatment

  https://www.gillettechildrens.org/conditions-care/chiari-malformation

  Some children who have Chiari malformation dont experience any symptoms. Or, they might not experience symptoms until later in adolescence or even adulthood. […] Symptoms of Type I Chiari malformation can include: […] Some younger children and infants might have difficulty drinking or swallowing. […] Symptoms of Type II Chiari malformation are similar to those found in Type I. However, Type II symptoms are more severe and usually happen at a younger age. […] Symptoms of Type II Chiari malformation include:

• #1 Chiari Malformation Symptoms, Types, Life Expectancy, Treatment

  https://www.medicinenet.com/is_having_a_chiari_malformation_life-threatening/article.htm

  Chiari malformation symptoms include vomiting, muscle weakness in the head and face, difficulty swallowing, varying degrees of mental impairment, headache, neck pain, progressive scoliosis (curvature of the spine), difficulty with balance and coordination, and others. It can be life threatening if it affects the mouth and throat. […] Having a Chiari malformation may not be life-threatening, but the patient is usually prone to develop life-threatening conditions in the future. […] Without treatment, the disease slowly progresses over years, greatly affecting quality of life. It can even be life-threatening if it involves the mouth and throat. […] Symptoms of Chiari malformation include: vomiting, muscle weakness in the head and face, difficulty swallowing, varying degrees of mental impairment, headache, neck pain, progressive scoliosis (curvature of the spine), difficulty with balance and coordination, problems with fine motor skills, vision problems, including blurred or double vision and hypersensitivity to bright light, tinnitus (buzzing in the ear), hearing loss, voice alteration or paralysis, frequent gagging and/or choking, sleep apnea (briefly ceasing to breathe while sleeping), paralysis or weakness of the arms and legs, spasticity (abnormally high muscle tone or tightness).

• #1 Chiari Signs & Symptoms | Dr. Dan Heffez Neurological Surgeon

  https://www.heffezchiari.com/chiari/chiari-signs-symptoms

  Despite the fact that Chiari malformation is usually present at birth, the symptoms of the malformation are not usually experienced until adulthood. […] The symptoms of Chiari malformation include but are not limited to: […] Headache is often pressure-like and usually begins at the back of the head, often radiating behind the eyes. […] Neck pain – Often pressure-like and radiating down the spine and across the shoulders. […] Dizziness, vertigo – Often worsened by extension of the neck. […] Vague pains throughout the body […] Impaired balance […] Clumsiness […] Chronic nausea […] Foggy thinking, poor memory and concentration […] Frequent or urgent urination […] Irritable bowel syndrome […] Auditory symptoms – Including ringing in ears, increased sensitivity to sounds. […] Difficulty swallowing […] Changes in the voice – This can include hoarseness or inability to regulate the voice when shouting or singing. […] Visual symptoms – Including double vision, sensitivity to light, and seeing floaters.

• #1 Chiari Malformation Diagnosis & Treatment – NYC | Columbia Neurosurgery in New York City

  https://www.neurosurgery.columbia.edu/patient-care/conditions/chiari-malformation

  A Chiari malformation is a congenital (present at birth) defect in the area of the back of the head where the brain and spinal cord connect. […] The following are the most common symptoms of a Chiari malformation. However, each child may experience symptoms differently. In infants and older children born with this condition, symptoms may include: […] The symptoms of Chiari malformation may resemble other conditions or medical problems. Always consult your child’s physician for a diagnosis. […] The full extent of the problems associated with a Chiari malformation are usually not completely understood immediately at birth, but may be revealed as the child grows and develops. Children born with a Chiari malformation require frequent examinations and diagnostic testing by his/her physician to monitor the development of the head as the child grows.

• #1 Chiari malformation | Types, causes, symptoms and treatment | Children’s Wisconsin

  https://childrenswi.org/medical-care/neuroscience/conditions/chiari-malformation

  The full extent of the problems associated with a Chiari malformation are usually not completely understood immediately at birth, but may be revealed as the child grows and develops. Children born with a Chiari malformation require frequent examinations and diagnostic testing by his/her physician to monitor the development of the head as the child grows.

• #1 Chiari malformation in children – Children’s Health Neurology

  https://www.childrens.com/specialties-services/conditions/chiari-malformation

  Many children with Chiari malformations don’t have symptoms or need surgery. Sometimes, pressure on the brain or brainstem, or a blockage of cerebral spinal fluid, causes problems that require surgery. […] Symptoms of Chiari malformations in children vary depending on the type and cause. Types 1 and 2 are the most common Chiari malformations. […] Chiari malformation Type 1 doesn’t always cause symptoms during childhood. Some kids never have any problems. Doctors often detect the condition after ordering imaging scans for another problem like chronic headaches, epilepsy or scoliosis (curvature of the spine). […] Chiari malformation Type 2 often occurs with spina bifida and hydrocephalus. These conditions affect multiple parts of the body. Spina bifida can cause partial or complete paralysis below the spinal opening.

• #1 Chiari Malformation | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/chiari-malformation

  In most people, Chiari malformation causes no symptoms and does not require treatment. However, for others, the condition can worsen over time. […] For those affected by these complications, early diagnosis and treatment can help manage symptoms and improve quality of life. […] While treatments are available to manage Chiari malformation, there is no cure. A child will always live with it and may need to be followed by a neurosurgeon and/or neurologist. […] Most kids we treat whether by non-surgical methods or surgery experience fewer symptoms or no longer have any symptoms. Classic Chiari symptoms respond very well to surgery. For example, some of our patients who were in pain for years now live pain-free.

• #2

  https://www.aurorahealthcare.org/services/neuroscience/brain-skull-base-care/chiari-malformation

  Often Chiari malformation symptoms begin to occur during childhood or adulthood although some people never experience any symptoms. Chiari malformation symptoms may include: […] Neck or head pain […] Balance and coordination problems […] Numbness in your arms or legs […] Blurred vision […] Trouble swallowing.

• #2 Chiari Malformation: What It Is, Symptoms, Types & Treatment

  https://my.clevelandclinic.org/health/diseases/6008-chiari-malformation

  A Chiari malformation is a structural abnormality in your skull that causes part of your brain to move into your spinal canal. You may have mild or severe symptoms or no symptoms at all. It usually causes headaches and difficulty with balance and coordination, as it affects your cerebellum. Surgery may help. […] You may experience the following symptoms if you have a Chiari malformation. […] Common symptoms of Chiari malformations include: […] Symptoms vary from person to person and range from no symptoms to mild to severe symptoms. In some people, symptoms are present at birth. In others, symptoms appear in late childhood or adulthood. Symptoms may also get better or worse at different points in time. […] A Chiari malformation can be very serious in some cases, but not all. In most cases, babies are born with a Chiari malformation. However, symptoms arent always present, and a diagnosis wont happen until late childhood or adulthood when a healthcare provider orders an imaging test for another unrelated reason.

• #2 Chiari Malformation: Symptoms, Causes, and Treatment Options

  https://brainfoundation.org.au/disorders/chiari-malformation/

  Symptoms often begin during infancy, although they are usually delayed until adolescence or adulthood. These usually include headache in the occipital region, vomiting, muscle weakness in the head and face, difficulty swallowing, and varying degrees of mental impairment. Paralysis of the arms and legs may also occur. […] As they grow older, adults and adolescents with Chiari malformation who previously showed no symptoms may show signs of progressive brain impairment, such as involuntary, rapid, downward eye movements. […] Many patients with Chiari malformation will also develop a cyst within the spinal cord (syringomyelia). These patients present with pain and numbness in the arms, legs, or trunk. In severe cases weakness and spasticity of the legs or arms also occurs.

• #2 Chiari malformation | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/chiari-malformation?content_id=CON-20197159

  Chiari malformation is a condition in which brain tissue extends into the spinal canal. […] Symptoms may not occur until late childhood or adulthood. […] Many people with Chiari malformation have no symptoms and don’t need treatment. […] But some types of Chiari malfunction can cause symptoms. […] In Chiari malformation type 1, symptoms usually appear during late childhood or adulthood. […] Bad headaches are the classic symptom of Chiari malformation. […] People with Chiari malformation type 1 also can experience neck pain, unsteady walk and trouble with balance, poor hand coordination, numbness and tingling of the hands and feet, dizziness, trouble swallowing, and speech changes, such as hoarseness. […] Less often, people with Chiari malformation may experience ringing or buzzing in the ears, weakness, slow heart rhythm, curvature of the spine, and trouble with breathing.

• #2 The Chiari I malformation in: Journal of Neurosurgery: Pediatrics Volume 24 Issue 3 (2019) Journals

  https://thejns.org/pediatrics/view/journals/j-neurosurg-pediatr/24/3/article-p217.xml

  Aside from the aforementioned exceptions, symptoms of CIM generally correlate between adult and pediatric patient populations. Symptoms can typically be assigned to one of three categories: 1) symptoms related to CSF obstruction, 2) symptoms related to brainstem or cerebellar compression/dysfunction (including cranial nerves), and 3) symptoms related to spinal cord dysfunction/syringomyelia. […] Valsalva- or strain-induced headaches are the sequelae of CSF obstruction at the foramen magnum commonly associated with CIM. They can be caused by either tonsillar descent into the foramen with obstruction or arachnoid occlusions of the CSF pathways, resulting in transient increases in ICP. Headaches of this nature are localized to the occipital and upper cervical region and are induced by Valsalva-producing activities. They are typically brief, lasting seconds or a few minutes. It is important to note the specificity of headache type associated with CIM. Frequently, patients also complain of chronic headaches, migrainous symptoms, or nonValsalva maneuverinduced headaches, but these are not typically attributable to CIM pathophysiology and should not be used as a justification for surgical intervention.

• #2 Chiari Malformation Type 1 Diagnosis and Treatment | UPMC

  https://www.upmc.com/services/neurosurgery/brain/conditions/chiari-center

  Common symptoms include headaches, balance problems, and sleep issues. […] Many people with a Chiari malformation type 1 seen on imaging never get symptoms. When symptoms start in a person who has type 1, they can range from mild to severe. […] Headaches are the most common symptom of type 1. They’re often in the back of the head. […] Other symptoms include: Blurry or double vision, Feeling dizzy, Memory problems, Numbness or tingling in the hands or feet, Sleep apnea, Tinnitus or ringing in the ears, Trouble swallowing.

• #2 Chiari malformation

  https://www.nhs.uk/conditions/chiari-malformation/

  Many people with a Chiari I malformation will not have any symptoms. Sometimes they’re only found after an MRI scan of the brain is carried out for another reason. […] If symptoms do develop, they can include: headaches these are usually felt at the back of the head and may be brought on or made worse by coughing, straining, sneezing or bending over, neck pain, dizziness and balance problems, muscle weakness, numbness or tingling in the arms or legs, blurred vision, double vision and sensitivity to light, swallowing problems, hearing loss and tinnitus, feeling and being sick, difficulty sleeping (insomnia) and clinical depression. […] If you develop syringomyelia, you may also experience problems using your hands, difficulty walking, pain, and problems with bladder or bowel control.

• #2 Chiari Malformation | Spine Center | OHSU

  https://www.ohsu.edu/spine-center/chiari-malformation

  Chiari malformation is a disorder in which part of the brain extends into an opening in the base of the skull. Symptoms and treatment vary depending on severity. Sometimes symptoms don’t emerge until late childhood or adulthood. […] Common symptoms: Headaches, sometimes severe, Neck and shoulder pain, Trouble walking steadily, Balance problems, Poor hand coordination, Numbness and tingling in hands and feet, Dizziness, Swallowing problems, gagging, choking and vomiting, Blurry vision or double vision, Trouble speaking clearly. […] Less common symptoms: Ringing or buzzing in ears, Poor bladder control, Chest pain, Curvature of the spine, or scoliosis, Stops in breathing during sleep, or sleep apnea. […] If you have severe symptoms or your pain doesn’t get better with treatment, you may need surgery to relieve the pressure on your brain and spinal cord.

• #2 Chiari Malformation Signs & Symptoms | Rush

  https://www.rush.edu/conditions/chiari-malformation

  Chiari malformation symptoms vary from person to person. And, each persons symptoms can change over time depending on the amount of pressure on tissues and nerves. […] Some people with Chiari malformation dont have any symptoms. However, those who do almost always have at least five of the following symptoms: […] Headache that starts in the back of the head and spreads forward, brought on by coughing, sneezing, straining or other actions (the most common symptom) […] Balance problems […] Trouble swallowing (dysphagia) or speaking (common symptom in young children with Chiari malformation) […] Dizziness […] Extreme pain in the neck and shoulders […] Fatigue […] Loss of bladder and bowel control (common symptom in children) […] Nausea […] Numbness, weakness or other abnormal feelings in the arms or legs

• #2 Chiari Malformation Type II – Developmental and Behavioral Pediatrics – Golisano Children’s Hospital – University of Rochester Medical Center

  https://www.urmc.rochester.edu/childrens-hospital/developmental-disabilities/conditions/chiari-malformation-type-ii.aspx

  Symptoms of Chiari II malformations depend on the age of your child. Newborns may have: […] Older babies and children may have: […] Children may also have extra fluid in the brain stem or spinal cord (syrinx). This may cause pain in the arms or legs or make it hard for your child to walk. […] Your child may stay about the same. Or your child may have nerve or brain problems that get worse.

• #2 Chiari Malformation: Symptoms, Types and Treatment

  https://www.webmd.com/brain/chiari-malformation-symptoms-types-treatment

  Nausea and vomiting […] Trouble sleeping (insomnia) […] Depression […] Sleep apnea. […] Symptoms of type II Chiari malformation are usually related to myelomeningocele and hydrocephalus, such as: […] Loss of arm strength […] Involuntary, fast, downward eye movements […] Reduced gag reflex […] Altered breathing patterns, including times when you stop breathing (apnea). […] Type III Chiari malformations are very rare, and people born with this may have severe neurological symptoms very early in life. Many people may also have hydrocephalus and other birth anomalies. Type IV Chiari malformations are rarer than type III and the people born with it often have other malformations in their brain and brainstem.

• #2 Chiari Malformations: Symptoms & Causes | NewYork-Presbyterian

  https://www.nyp.org/pediatrics/neurology-and-neurosurgery/chiari-malformations

  Chiari malformation symptoms may vary and depend on the type of malformation. Type I Chiari malformation symptoms typically appear in adolescence or early adulthood, as the skull and tissues of the neck mature. […] Type I symptoms include: Headache that gets worse with exertion, including exercise, coughing, sneezing, or laughing. Stiffness or pain at the base of the neck or back of the head area. Dizziness. Tingling or numbness, usually in the hands (and rarely in the legs). Unsteady gait. Loss of fine motor skills. Difficulty swallowing or choking on liquids. Spine deformity (scoliosis). […] Types I to IV – Infants with any type of Chiari malformation may show the following symptoms: Difficulty swallowing. Gagging or vomiting. Irritability during feeding. Excessive drooling. A weak cry. Arm weakness. Stiff neck. Problems breathing. Developmental delays. Failure to gain weight. […] The symptoms of a Chiari malformation may resemble other medical conditions. An accurate and early diagnosis is essential to ensure proper treatment by pediatric neurosurgeons who specialize in Chiari malformations and other complex congenital conditions.

• #2 Is Having a Chiari Malformation Life Threatening? Stages

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

  Chiari type I malformation is usually diagnosed in adulthood and symptoms include: Headache, especially after coughing, sneezing or straining […] Chiari II malformation is usually diagnosed with infants and younger children and symptoms include: Swallowing/feeding difficulties, Wheezing/stridor, Cessation of breathing (apnea), A weak cry, Involuntary eye movements, Weakness of extremities […] Chiari type III has a high mortality rate. Those who survive beyond the neonatal period may have symptoms including: Severe neurologic impairments, Mental retardation, Epilepsy, Low muscle tone or muscle spasm, Upper and lower motor neuron signs, Lower cranial nerve palsies […] Chiari type IV malformations are generally incompatible with life and data are limited regarding symptoms as patients do not survive.

• #2 Is Having a Chiari Malformation Life Threatening? Stages

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

  Life expectancy for Chiari malformation depends on the type. Patients with Chiari type I malformation, the mildest form of the condition, are typically diagnosed in adulthood and have a normal life expectancy and good outcomes with treatment and/or surgery. […] Chiari type III malformation patients have a very high mortality rate, and patients often die in infancy due to respiratory failure. Chiari type IV malformations are incompatible with life.

• #2 5 Signs of a Type I Chiari Malformation | Pediatric Neurology located in The Woodlands, Katy, Sugar Land, Austin, Lakeway, Lake Jackson and San Antonio, TX | THINK Neurology for Kids

  https://www.thinkkids.com/post/5-signs-of-a-type-i-chiari-malformation

  Parents should be aware of other possible symptoms beyond headaches and neck pain. Your child may experience: Difficulty swallowing or gagging, Gagging and vomiting, Balance problems, Hoarseness or trouble speaking, Sleep apnea. […] A type I Chiari malformation may interfere with the normal flow of cerebrospinal fluid. […] The fluid buildup, called a syrinx, places pressure on the spinal nerves. Then your child can develop additional symptoms, including: Weakness in their arms or legs, Numbness and tingling in their arms or legs, Muscle stiffness, Clumsiness, Difficulty walking, Chronic pain, Diminished sensation of temperature. […] About half of children with a type I Chiari malformation develop a syrinx.

• #2 Chiari Malformation | Riley Children’s Health

  https://www.rileychildrens.org/health-info/chiari-malformation

  Chiari malformations may be associated with syringomyelia and hydromyelia. These disorders involve a buildup of cerebrospinal fluid that forms a cyst or cavity in the spinal cord. As the cyst (syrinx) grows, it can cause additional symptoms, including: Loss of pain sensations in the upper torso and arms, Loss of hot and cold sensations, Loss of muscle strength in the hands and arms.

• #2 Chiari Malformation Type I – Developmental and Behavioral Pediatrics – Golisano Children’s Hospital – University of Rochester Medical Center

  https://www.urmc.rochester.edu/childrens-hospital/developmental-disabilities/conditions/chiari-malformation-type-i.aspx

  A Chiari malformation (CM) is a problem with how the brain sits in the skull. This puts pressure on parts of the brain and spinal cord and can cause mild to severe symptoms. These can include head or neck pain and trouble with balance or movement. […] The most common symptoms are headaches or pain in the back of the head or neck. The headaches and pain are made worse by coughing, laughing, or sneezing. […] Your child may also have other symptoms of a Chiari malformation type I. These include: Hoarseness or trouble speaking. Trouble swallowing. Rapid, back and forth eye movements (nystagmus). Periods of not breathing during sleep (sleep apnea). Weakness or abnormal movements. Trouble with balance. Abnormal reflexes. Abnormal shape of the spine (scoliosis). […] Your child may also have a pocket of fluid in the spinal cord or brain stem. This is called a syrinx. A syrinx can cause trouble walking or pain in the arms or legs.

• #2 Can Chiari Malformation Get Worse?

  https://www.neurosurgeonsofnewjersey.com/blog/can-chiari-malformation-get-worse/

  If you have been diagnosed with Chiari malformation, one of the first questions you may have is, Can Chiari malformation get worse? The simple answer is, yes, it can, which is why many (though not all) patients will require treatment. […] A buildup of fluid in the spinal cord can develop and progress, leading to increased damage to vital structures. Furthermore, changes in the surrounding tissues that occur with normal ageing can result in reduced flexibility and worsened symptoms. […] While not every patient with Chiari malformation will require treatment, you can see that the answer to your original question, Can Chiari malformation get worse? is that it has the potential to, depending on the individual.

• #2 Understanding Chiari Malformation Comorbidities

  https://practicalneurology.com/articles/2022-july-aug/understanding-chiari-malformation-comorbidities

  The most common type of Chiari malformations is type I (CM-I), which is characterized by herniation of cerebellar tonsils more than 5 mm below the foramen magnum. CM-I presenting signs and symptoms are caused by compression of the cerebellum, brainstem, and upper cervical spinal cord, and disruption of cerebrospinal (CSF) fluid flow around and through the foramen magnum. A significant minority of those with CM-I are asymptomatic at diagnosis. Those with symptoms typically have headaches, neck pain, dizziness, and nausea. […] The common symptoms of CM-I include headache, neck pain, dizziness, muscle weakness or numbness, insomnia, depression, and difficulty with gait and coordination. […] When symptoms are present, the typical clinical presentation is a central cord syndrome characterized by a weakness that affects the arms more than the legs with loss of deep tendon reflexes at the level of the cavity.

• #2 Chiari malformation | Center for Craniofacial Care | Children’s Hospital of Richmond at VCU

  https://www.chrichmond.org/services/center-for-craniofacial-care/conditions-treated/chiari-malformation/

  With a Chiari malformation, the space for the lower part of your brain (called the cerebellum) is either too small or unusually shaped. This can cause part of the cerebellum to push into the funnel-like opening at the bottom of the skull (called the foramen magnum) and into the space occupied by the spinal cord. […] Symptoms of Chiari malformation in infants include: Difficulty swallowing, Irritability when being fed, Excessive drooling, A weak cry, Gagging or vomiting, Arm weakness, A stiff neck, Breathing problems, Developmental delays, Problems gaining weight. […] For toddlers and older children, symptoms may include: Breathing problems, Neck pain, Balance problems, Muscle weakness, Numbness or other abnormal feelings in the arms or legs, Dizziness, Vision problems, Difficulty swallowing, Ringing or buzzing in the ears, Hearing loss, Vomiting, Difficulty sleeping, Depression, Headaches made worse by coughing or straining, Hand coordination and fine motor skills may also be affected.

• #2 Chiari Malformation in Infants | Birth Injury Center

  https://birthinjurycenter.org/chiari-malformation-in-infants/

  Experts have estimated that the incidence of Chiari malformation in infants is higher than one per every 1,000 births. Symptoms of Chiari malformation in newborns include headaches, difficulty swallowing, and difficulty breathing. […] Infants with mild types of CM may exhibit no symptoms, and it is difficult to diagnose CM in newborns. According to U.K. researchers, parents should be alert to signs such as irritability, head banging, and nighttime wakening in infants. […] Infants with more severe types of Chiari malformation may also experience breathing problems, gagging or choking frequently, and unusual eye movements.

• #2 Chiari Malformation Type I in Children

  https://www.nationwidechildrens.org/conditions/health-library/chiari-malformation-type-i-in-children

  Your child may not have any symptoms in the future. But some children develop complications. These include: Long-term pain. Development of syrinx. Permanent damage to muscles or nerves. Paralysis. […] Your child may not have any changes caused by the defect. Or they may have nervous system problems that get worse.

• #2 Chiari Malformation Symptoms, Types, Life Expectancy, Treatment

  https://www.medicinenet.com/is_having_a_chiari_malformation_life-threatening/article.htm

  Chiari malformation symptoms include vomiting, muscle weakness in the head and face, difficulty swallowing, varying degrees of mental impairment, headache, neck pain, progressive scoliosis (curvature of the spine), difficulty with balance and coordination, and others. It can be life threatening if it affects the mouth and throat. […] Having a Chiari malformation may not be life-threatening, but the patient is usually prone to develop life-threatening conditions in the future. […] Without treatment, the disease slowly progresses over years, greatly affecting quality of life. It can even be life-threatening if it involves the mouth and throat. […] Symptoms of Chiari malformation include: vomiting, muscle weakness in the head and face, difficulty swallowing, varying degrees of mental impairment, headache, neck pain, progressive scoliosis (curvature of the spine), difficulty with balance and coordination, problems with fine motor skills, vision problems, including blurred or double vision and hypersensitivity to bright light, tinnitus (buzzing in the ear), hearing loss, voice alteration or paralysis, frequent gagging and/or choking, sleep apnea (briefly ceasing to breathe while sleeping), paralysis or weakness of the arms and legs, spasticity (abnormally high muscle tone or tightness).

• #2 Chiari Malformations | National Institute of Neurological Disorders and Stroke

  https://www.ninds.nih.gov/health-information/disorders/chiari-malformations

  Treatment depends on your symptoms and their severity. Talk with your doctor about your symptoms, how they affect you, and what treatments you may need. CMs that do not show symptoms and do not interfere with daily life may only need regular monitoring by a physician and periodic imaging. Medications can ease headache and pain. […] In many cases, surgery is the only treatment available to ease symptoms or stop ongoing damage to the central nervous system. Surgery can improve or stabilize symptoms in most people. A person may need more than one surgery to treat the condition.

• #2 Chiari Malformation – AANS

  https://www.aans.org/patients/conditions-treatments/chiari-malformation/

  Many people with Chiari I malformation have no symptoms. However, any of the following symptoms may occur, alone or in combination. Some of the symptoms are related to the development of a syrinx (a fluid filled cavity in the spinal cord). […] The symptoms associated with a Chiari II malformation can also be caused by problems related to myelomeningocele and hydrocephalus. These symptoms include […] The benefits of surgery should always be weighed carefully against its risks. Although some patients experience a reduction in their symptoms, there is no guarantee that surgery will help every individual. Nerve damage that has already occurred usually cannot be reversed. Some surgical patients need repeat surgeries, while others may not achieve symptom relief.

• #2 Chiari Malformation | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/chiari-malformation

  Children with type I Chiari malformations often have no signs or symptoms. In many cases, they are diagnosed after having a magnetic resonance imaging (MRI) scan for another problem. […] When symptoms do occur, they most often start in the teen years or early adulthood. These may include: Headaches, especially when coughing, sneezing, or straining, Neck pain, Balance problems, Dizziness, Trouble swallowing, Numbness or tingling in the arms or legs, Vision problems, Breathing problems, especially during sleep, Loss of bowel or bladder control, A curve of the spine, called scoliosis. […] Children with type II Chiari malformations are more likely to have symptoms. These may include: A build-up of fluid in the brain (hydrocephalus), A weak cry, Trouble swallowing, Breathing problems, Problems with nerve function in the throat and tongue. […] In most cases, the surgery relieves symptoms completely or reduces symptoms. In some cases, children with Chiari malformation may need more than one surgery.

• #2 Chiari Malformation Symptoms Improve After Minimally Invasive Brain Surgery at Duke | Duke Health

  https://www.dukehealth.org/blog/chiari-malformation-symptoms-improve-after-minimally-invasive-brain-surgery-duke

  After the short surgery and a two-night hospital stay, Gerlach was discharged on Christmas Eve 2022. […] Follow-up imaging shows Gerlachs ventricles are shrinking, her CSF is circulating, and her symptoms are improving. […] She still gets headaches, but when they happen, they are shorter and less intense, Gerlach said. […] I used to have headaches that would last for days, but they dont happen that way anymore.

• #2 Chiari I Malformation (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/chiari.html

  Some people with Chiari I malformation never have any symptoms. If symptoms do happen, they usually don’t show up until late childhood or the teen years. […] Signs and symptoms can include: headache (especially after sneezing, coughing, or straining), balance problems, neck pain, dizziness, vision problems, poor hand coordination, numbness and tingling of the hands and feet, change in bladder (pee) or bowel (poop) habits, trouble swallowing, hoarseness. […] Sometimes, children with Chiari I malformation can also have: a syringomyelia (ser-in-go-my-ILL-ee-uh): a fluid-filled space within the spinal cord, hydrocephalus (hi-droh-SEF-eh-less): a buildup of spinal fluid in the spaces deep within the brain, sleep apnea: periods when breathing stops during sleep, scoliosis: curvature of the spine.

• #2 Chiari I malformation & syringomyelia | Mayfield Brain & Spine

  https://mayfieldclinic.com/pe-chiari.htm

  Chiari is often misdiagnosed because the wide variety of bony and soft tissue problems can cause a wide array of possible symptoms (headache, neck pain, dizziness, arm numbness or weakness, sleep problems, etc.) Headache in the back of the head that worsens with coughing, sneezing, or straining is a hallmark sign. […] Chiari I symptoms vary from person to person and are not necessarily related to the size of tonsillar herniation. Some people with large herniations have no symptoms (asymptomatic). Yet others with small herniations have severe symptoms. When symptoms are present, they are often vague or nonspecific. As a result, the diagnosis of Chiari is often delayed until more severe symptoms occur or after current symptoms persist for some time. Symptoms are caused by disruption of the CSF flow and compression of nervous tissues.

• #2 Chiari Malformation | Temple Health

  https://www.templehealth.org/services/conditions/chiari-malformation

  The symptoms of Chiari malformations are highly variable and depend on the type of malformation affecting an individual. Some types, such as type I, are often asymptomatic, and types III and IV can be fatal. […] When symptoms do occur, they often come and go. Some of the most common include: Occipital headaches This pain at the base of the skull, sometimes radiating to the neck and shoulders, is often made worse by coughing, sneezing or straining. […] Problems affecting the eyes or ears These can cause blurred or double vision, light sensitivity, pain behind the eyes, involuntary eye movement, dizziness, hearing loss or ringing in the ears. […] Development of a syrinx These fluid-filled cavities or cysts grow on the spinal cord, leading to a variety of additional symptoms, including muscle spasms, contractions and weakness, scoliosis, pain, and loss of bowel or bladder control. […] Sleep disorders People with Chiari malformations often experience sleep apnea and chronic fatigue.

• #2 Chiari malformation: Types, treatments, life expectancy, and more

  https://www.medicalnewstoday.com/articles/chiari-malformation

  Chiari malformation is when a part of the brain extends through an opening where the skull meets the spinal canal. It can happen if the skull is too small or misshapen. Depending on the severity, it can lead to neck pain, dizziness, and other neurological symptoms. […] It can cause pain, trouble swallowing, headache, and more. […] The following are some symptoms of Chiari malformation: headache, neck pain, dizziness, swallowing or breathing problems, balance problems, weakness of the muscles, tinnitus and hearing problems, nausea, excessive vomiting or drooling, scoliosis, psychological concerns, including insomnia and depression, coordination difficulties. […] However, some people with the condition have no symptoms at all. This is especially true of those with type 1. […] For individuals with type 1 or 2, symptoms are not usually life threatening. However, some complications can occur and they may require treatment. […] Unfortunately, types 3 and 4 are often fatal.

• #3 Chiari Malformation | Types, Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/c/chiari-malformation

  Chiari malformation is a structural defect in the back of the skull. Children may be born with this malformation, or develop it later in childhood. […] Over time, the cerebellar tonsils (and sometimes the brain stem) get pushed down into the spinal canal. This blocks the flow of cerebrospinal fluid and causes symptoms. […] A variety of problems can occur with Chiari malformations. Symptoms vary for each child. […] The main symptom with Chiari I is a headache in the back of the brain. The headache can be severe. Other problems can include: dizziness and balance problems, double or blurred vision, numbness, spontaneous gagging and vomiting, sensitivity to bright lights. […] In rare cases, a child will experience sleep apnea. This is a condition in which breathing pauses during sleep.

• #3 Chiari Malformation

  https://www.princetonbrainandspine.com/conditions/brain/chiari-malformation/

  The most common symptom of Chiari malformation is an occipital headache, often described as intense pressure that begins at the back of the head and radiates forward. These headaches may be brought on by neck extension or excessive straining during coughing, sneezing, bending over or lifting heavy objects. […] Additional Chiari malformation symptoms may also include: Pain in the neck and shoulders, Trouble swallowing, Occasional trouble speaking, Sleep apnea respiratory problems, Loss of bladder or bowel control, Loss of fine motor control, Numbness in the hands or feet, Weakness or stiffness in arms or legs, Balance coordination problems, Electric shock-like sensations down the spine. […] Other reported symptoms of Chiari malformation type I include: Tinnitus (ringing in the ears), Nausea, Facial pain, Visual symptoms.

• #3 Chiari Malformations | National Institute of Neurological Disorders and Stroke

  https://www.ninds.nih.gov/health-information/disorders/chiari-malformations

  Chiari malformations (CM) are caused by problems in the structure of the brain and skull. […] The types and severity of symptoms depend on the extent to which the tissue and nerves are compressed and on the buildup of CSF pressure. Some people with CM do not show symptoms. People with CM may not have symptoms initially but may develop them later in life. CM symptoms can include: Headache, especially after sudden coughing, sneezing, or straining, Neck pain, Hearing or balance problems, Muscle weakness or numbness, Dizziness, Difficulty swallowing, breathing, or speaking, Excessive drooling, gagging, or vomiting, Ringing or buzzing in the ears (tinnitus), Curvature of the spine (scoliosis), Insomnia, Depression, Problems with hand coordination and fine motor skills, Difficulty eating and an inability to gain weight.

• #3 Understanding Chiari Malformation Comorbidities

  https://practicalneurology.com/articles/2022-july-aug/understanding-chiari-malformation-comorbidities

  The most common type of Chiari malformations is type I (CM-I), which is characterized by herniation of cerebellar tonsils more than 5 mm below the foramen magnum. CM-I presenting signs and symptoms are caused by compression of the cerebellum, brainstem, and upper cervical spinal cord, and disruption of cerebrospinal (CSF) fluid flow around and through the foramen magnum. A significant minority of those with CM-I are asymptomatic at diagnosis. Those with symptoms typically have headaches, neck pain, dizziness, and nausea. […] The common symptoms of CM-I include headache, neck pain, dizziness, muscle weakness or numbness, insomnia, depression, and difficulty with gait and coordination. […] When symptoms are present, the typical clinical presentation is a central cord syndrome characterized by a weakness that affects the arms more than the legs with loss of deep tendon reflexes at the level of the cavity.

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