Materiały źródłowe

• #1 Rumination Disorder – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK576404/

  Rumination syndrome is a functional gastrointestinal disorder defined as the effortless regurgitation of recently ingested food from the stomach back into the oral cavity in the absence of organic disease. […] The exact prevalence and incidence of rumination syndrome are uncertain as different diagnostic criteria are used to diagnose depending on the clinical setting. It is likely severely underdiagnosed as well. […] Rumination syndrome exists in all age groups, and there are conflicting data concerning the prevalence and incidence. […] Rumination syndrome appears to be less common in the general adult population, approaching approximately 1%. […] Rumination syndrome is suspected of playing a more significant role in treatment-refractory gastrointestinal reflux disease, nausea, and vomiting.

• #2 Rumination syndrome: Critical review | Gastroenterología y Hepatología (English Edition)

  https://www.elsevier.es/es-revista-gastroenterologia-hepatologia-english-edition–382-articulo-rumination-syndrome-critical-review-S2444382422000189

  Rumination syndrome is a functional disorder characterized by the involuntary regurgitation of recently swallowed food from the stomach into the mouth, from where it can be re-chewed or expelled. […] Although it is considered an uncommon disease, there is little epidemiological information on its incidence and prevalence. […] The exact prevalence of rumination syndrome in adults is unknown. Population studies of gastrointestinal diseases have estimated a prevalence of around 1%. […] Higher prevalences have been reported in various selected cohorts. A study of adult patients diagnosed with proton pump inhibitor (PPI)-refractory GORD found a prevalence of rumination syndrome of 20%. […] There appears to be a higher prevalence in the paediatric and adolescent population versus the adult population. Population studies in different countries have reported a prevalence of around 5%.

• #2

  https://europepmc.org/books/n/statpearls/article-131534/?extid=31536295&src=med

  Rumination syndrome is a functional gastrointestinal disorder defined as the effortless regurgitation of recently ingested food from the stomach back into the oral cavity in the absence of organic disease. […] The exact prevalence and incidence of rumination syndrome are uncertain as different diagnostic criteria are used to diagnose depending on the clinical setting. It is likely severely underdiagnosed as well. […] Rumination syndrome exists in all age groups, and there are conflicting data concerning the prevalence and incidence. […] Rumination syndrome appears to be less common in the general adult population, approaching approximately 1%. […] Rumination syndrome is suspected of playing a more significant role in treatment-refractory gastrointestinal reflux disease, nausea, and vomiting.

• #3 Rumination Disorder | Treatment & Management | Point of Care

  https://www.statpearls.com/point-of-care/131534

  Rumination syndrome is a functional gastrointestinal disorder defined as the effortless regurgitation of recently ingested food from the stomach back into the oral cavity in the absence of organic disease. […] The exact prevalence and incidence of rumination syndrome are uncertain as different diagnostic criteria are used to diagnose depending on the clinical setting. It is likely severely underdiagnosed as well. […] Rumination syndrome exists in all age groups, and there are conflicting data concerning the prevalence and incidence. […] Rumination syndrome appears to be less common in the general adult population, approaching approximately 1%. […] Rumination syndrome is suspected of playing a more significant role in treatment-refractory gastrointestinal reflux disease, nausea, and vomiting.

• #3 Global Prevalence and Impact of Rumination Syndrome

  https://lirias.kuleuven.be/3631246

  Global Prevalence and Impact of Rumination Syndrome […] Rumination syndrome is a Disorder of Gut-Brain Interaction (DGBI) of unknown etiology. […] The overall prevalence of rumination syndrome was 3.1% (95% confidence interval [CI], 3.0-3.3%). […] It was highest in Brazil (5.5% CI, 4.5-6.5) and lowest in Singapore (1.7% CI, 1.1-2.2). […] Factors independently associated with rumination syndrome were depression (odds ratio [OR], 1.46), anxiety (OR, 1.8), body mass index (OR, 1.04), and female sex (OR, 1.19). […] The prevalence of rumination syndrome is higher than reported in most previous population studies and is likely underdiagnosed in clinical practice.

• #4

  https://experts.mcmaster.ca/display/publication2211913

  BACKGROUND AIMS: Rumination syndrome is a Disorder of Gut-Brain Interaction (DGBI) of unknown etiology. We aimed to assess its global prevalence and potential associations with other medical conditions. […] The overall prevalence of rumination syndrome was 3.1% (95% confidence interval [CI], 3.0-3.3%). It was highest in Brazil (5.5% CI, 4.5-6.5) and lowest in Singapore (1.7% CI, 1.1-2.2). […] The prevalence of rumination syndrome is higher than reported in most previous population studies and is likely underdiagnosed in clinical practice. Awareness of rumination syndrome should be raised among clinicians to improve care for these patients.

• #5 Rumination syndrome. A review article | Revista de Gastroenterología de México

  https://www.revistagastroenterologiamexico.org/en-rumination-syndrome-a-review-article-articulo-S2255534X21000311

  Rumination syndrome is a functional gastrointestinal disorder characterized by effortless postprandial regurgitation of ingested food into the mouth. The estimated prevalence is around 2% in the general adult population. […] Utilizing the Rome II criteria, the authors of a Canadian study reported a prevalence of 0.8% (95% CI 0.3%-1.3%) in the general population, through the application of questionnaires. The global prevalence of functional gastrointestinal pathologies, according to the Rome IV criteria, was established in a recently published multicenter study, describing a prevalence of rumination syndrome of 2.8% (3.1% women, 2.5% men) through an online survey and a prevalence of 1.1% (1.4% women, 0.8% men) through personal interviews. […] The prevalence of rumination syndrome is higher in patients with fibromyalgia or eating disorders and can reach 7-8%. […] In a study on a pediatric population from 4 provinces of Sri Lanka, 2,163 children and adolescents, between the ages of 10 and 16 years, were surveyed. Utilizing the Rome III criteria, prevalence obtained by questionnaire was 5.1%, and was similar in boys and girls (5.1% and 5%, respectively).

• #6 Rumination syndrome: pathophysiology, diagnosis and practical management | Frontline Gastroenterology

  https://fg.bmj.com/content/13/5/440

  Depending on whether children or adults are being studied, the prevalence of rumination syndrome ranges from 0.1% to 4% in children and 0.8% to 8% in adults. […] In a recent Rome Foundation global epidemiological study, rumination syndrome was found to have an overall worldwide prevalence of 2.8% with women having a slightly higher prevalence (3.1%) than men (2.5%). […] A higher prevalence of rumination syndrome has been noted in those with eating disorders (20%) and those with fibromyalgia (8%). […] Despite rumination syndrome being a relatively common disorder of gut-brain interaction, evidence suggests it is not well understood, resulting in patients often having to visit a number of clinicians and undergo several investigations before a diagnosis is eventually reached. […] Consequently, a formal diagnosis can be delayed, leading to weight loss and malnutrition.

• #7 Rumination syndrome. A review article | Revista de Gastroenterología de México

  https://www.revistagastroenterologiamexico.org/en-rumination-syndrome-a-review-article-articulo-S2255534X21000311

  Rumination syndrome is a functional gastrointestinal disorder characterized by effortless postprandial regurgitation of ingested food into the mouth. The estimated prevalence is around 2% in the general adult population. […] Utilizing the Rome II criteria, the authors of a Canadian study reported a prevalence of 0.8% (95% CI 0.3%-1.3%) in the general population, through the application of questionnaires. The global prevalence of functional gastrointestinal pathologies, according to the Rome IV criteria, was established in a recently published multicenter study, describing a prevalence of rumination syndrome of 2.8% (3.1% women, 2.5% men) through an online survey and a prevalence of 1.1% (1.4% women, 0.8% men) through personal interviews. […] The prevalence of rumination syndrome is higher in patients with fibromyalgia or eating disorders and can reach 7-8%. […] In a study on a pediatric population from 4 provinces of Sri Lanka, 2,163 children and adolescents, between the ages of 10 and 16 years, were surveyed. Utilizing the Rome III criteria, prevalence obtained by questionnaire was 5.1%, and was similar in boys and girls (5.1% and 5%, respectively).

• #8 The prevalence of rumination syndrome and rumination disorder: A systematic review and meta-analysis – PubMed

  https://pubmed.ncbi.nlm.nih.gov/38563201/

  The prevalence of rumination syndrome in children of all ages according to Rome III criteria was 1.0% (95% CI 0.3-1.6; I2 91.1%), but no data were available for adults. […] According to Rome IV criteria, the pooled prevalence of rumination syndrome in children of all ages was 0.4% (95% CI 0.2-0.6; I2 56.4%) and 3.7% in adults (95% CI 2.3-5.1; I2 91.4%). […] The pooled prevalence of rumination disorder in children of all ages according to EDY-Q was 2.1% (95% CI 0.9-3.4; I2 = 78.1%), but only one study utilizing EDY-Q in adults was included (0.7% [95% CI 0.4-1.0]). […] Irrespective of diagnostic criteria, the pooled prevalence of rumination was higher in adults compared to children and adolescents (3.0% [95% CI 1.4-4.7; I2 = 98.1%] vs. 0.8% [95% CI 0.4-1.3; I2 = 90.8%]), but higher in adolescents than in children (1.1% [95% CI 0.3-2.0; I2 = 92.8%] vs. 0.1% [95% CI 0.0-0.2; I2 = 24.5%]).

• #9 The prevalence of rumination syndrome and rumination disorder: A systematic review and meta-analysis – PubMed

  https://pubmed.ncbi.nlm.nih.gov/38563201/

  The prevalence of rumination syndrome in children of all ages according to Rome III criteria was 1.0% (95% CI 0.3-1.6; I2 91.1%), but no data were available for adults. […] According to Rome IV criteria, the pooled prevalence of rumination syndrome in children of all ages was 0.4% (95% CI 0.2-0.6; I2 56.4%) and 3.7% in adults (95% CI 2.3-5.1; I2 91.4%). […] The pooled prevalence of rumination disorder in children of all ages according to EDY-Q was 2.1% (95% CI 0.9-3.4; I2 = 78.1%), but only one study utilizing EDY-Q in adults was included (0.7% [95% CI 0.4-1.0]). […] Irrespective of diagnostic criteria, the pooled prevalence of rumination was higher in adults compared to children and adolescents (3.0% [95% CI 1.4-4.7; I2 = 98.1%] vs. 0.8% [95% CI 0.4-1.3; I2 = 90.8%]), but higher in adolescents than in children (1.1% [95% CI 0.3-2.0; I2 = 92.8%] vs. 0.1% [95% CI 0.0-0.2; I2 = 24.5%]).

• #10 Rumination syndrome – UpToDate

  https://www.uptodate.com/contents/rumination-syndrome

  Rumination syndrome can affect children and adults. In a study that surveyed 2163 children and adolescents, 110 (5 percent) fulfilled clinical criteria for rumination syndrome. In a study from the United States and another which surveyed over 50,000 participants across 26 countries, the prevalence of rumination was 3.1 and 5.8 percent, respectively. In patients with fibromyalgia or eating disorders, the prevalence of rumination syndrome may be as high as 7 to 8 percent. […] Rumination syndrome has been associated with anxiety, depression, obsessive compulsive disorder, post-traumatic stress disorder, adjustment disorder, attention deficit-hyperactivity disorder, and constipation from a rectal evacuation disorder. While some studies have suggested that rumination syndrome occurs predominantly among children and adults with development delay, this has not been substantiated by most studies.

• #11 Rumination syndrome in children and adolescents: a school survey assessing prevalence and symptomatology | BMC Gastroenterology | Full Text

  https://bmcgastroenterol.biomedcentral.com/articles/10.1186/1471-230X-12-163

  Rumination syndrome (RS) is a functional gastrointestinal disorder (FGD) increasingly recognized in children and adolescents. The epidemiology of this condition in school aged children is poorly understood. The main objective of this study was to assess the prevalence of rumination and other related associations in a cohort of Sri Lankan children. […] A total of 2163 children were included in the study (55% boys, mean age 13.4years, SD 1.8years). Prevalence of RS was 5.1% (n=110); boys 5.1% and girls 5.0%. […] RS was reasonably common in this cohort of school-aged children and adolescents in Sri Lanka. […] Epidemiological data on this clinical entity is lacking and most of the available data are from case series from referral centres. […] In this study, for the first time we have described the epidemiology of rumination syndrome in a cohort of children and adolescents with normal intelligence. In this study, 5.1% of 10-16year old children fulfilled Rome III criteria for adolescent rumination syndrome.

• #12 Rumination syndrome in children and adolescents: a school survey assessing prevalence and symptomatology | BMC Gastroenterology | Full Text

  https://bmcgastroenterol.biomedcentral.com/articles/10.1186/1471-230X-12-163

  Rumination syndrome (RS) is a functional gastrointestinal disorder (FGD) increasingly recognized in children and adolescents. The epidemiology of this condition in school aged children is poorly understood. The main objective of this study was to assess the prevalence of rumination and other related associations in a cohort of Sri Lankan children. […] A total of 2163 children were included in the study (55% boys, mean age 13.4years, SD 1.8years). Prevalence of RS was 5.1% (n=110); boys 5.1% and girls 5.0%. […] RS was reasonably common in this cohort of school-aged children and adolescents in Sri Lanka. […] Epidemiological data on this clinical entity is lacking and most of the available data are from case series from referral centres. […] In this study, for the first time we have described the epidemiology of rumination syndrome in a cohort of children and adolescents with normal intelligence. In this study, 5.1% of 10-16year old children fulfilled Rome III criteria for adolescent rumination syndrome.

• #13 Rumination syndrome – Wikipedia

  https://en.wikipedia.org/wiki/Rumination_syndrome

  Rumination disorder was initially documented as affecting newborns, infants, children and individuals with mental and functional disabilities (cognitively disabled). It has since been recognized to occur in both males and females of all ages and cognitive abilities. […] Among cognitively disabled people, it is described with almost equal prevalence among infants (6-10% of the population) and institutionalized adults (8-10%). In infants, it typically occurs within the first 3-12 months of age. […] The occurrence of rumination syndrome within the general population has not been defined. Rumination is sometimes described as rare, but has also been described as not rare, but rather rarely recognized. The disorder has a female predominance. The typical age of adolescent onset is 12.9, give or take 0.4 years, with males affected sooner than females (11.0 ± 0.8 for males versus 13.8 ± 0.5 for females). […] There is little evidence concerning the impact of hereditary influence in rumination syndrome. However, case reports involving entire families with rumination exist.

• #14 Rumination Disorder – PsychDB

  https://www.psychdb.com/eating-disorders/rumination

  The prevalence is not well understood, but is most common in those with intellectual disability. […] The disorder may be diagnosed across the life span. […] The age at onset in infants is usually between ages 3 to 12 months. […] It may be more common in males.

• #15 Rumination syndrome – Wikipedia

  https://en.wikipedia.org/wiki/Rumination_syndrome

  Rumination disorder was initially documented as affecting newborns, infants, children and individuals with mental and functional disabilities (cognitively disabled). It has since been recognized to occur in both males and females of all ages and cognitive abilities. […] Among cognitively disabled people, it is described with almost equal prevalence among infants (6-10% of the population) and institutionalized adults (8-10%). In infants, it typically occurs within the first 3-12 months of age. […] The occurrence of rumination syndrome within the general population has not been defined. Rumination is sometimes described as rare, but has also been described as not rare, but rather rarely recognized. The disorder has a female predominance. The typical age of adolescent onset is 12.9, give or take 0.4 years, with males affected sooner than females (11.0 ± 0.8 for males versus 13.8 ± 0.5 for females). […] There is little evidence concerning the impact of hereditary influence in rumination syndrome. However, case reports involving entire families with rumination exist.

• #16 Rumination syndrome – UpToDate

  https://www.uptodate.com/contents/rumination-syndrome

  Rumination syndrome can affect children and adults. In a study that surveyed 2163 children and adolescents, 110 (5 percent) fulfilled clinical criteria for rumination syndrome. In a study from the United States and another which surveyed over 50,000 participants across 26 countries, the prevalence of rumination was 3.1 and 5.8 percent, respectively. In patients with fibromyalgia or eating disorders, the prevalence of rumination syndrome may be as high as 7 to 8 percent. […] Rumination syndrome has been associated with anxiety, depression, obsessive compulsive disorder, post-traumatic stress disorder, adjustment disorder, attention deficit-hyperactivity disorder, and constipation from a rectal evacuation disorder. While some studies have suggested that rumination syndrome occurs predominantly among children and adults with development delay, this has not been substantiated by most studies.

• #17 Rumination syndrome – UpToDate

  https://www.uptodate.com/contents/rumination-syndrome

  Rumination syndrome can affect children and adults. In a study that surveyed 2163 children and adolescents, 110 (5 percent) fulfilled clinical criteria for rumination syndrome. In a study from the United States and another which surveyed over 50,000 participants across 26 countries, the prevalence of rumination was 3.1 and 5.8 percent, respectively. In patients with fibromyalgia or eating disorders, the prevalence of rumination syndrome may be as high as 7 to 8 percent. […] Rumination syndrome has been associated with anxiety, depression, obsessive compulsive disorder, post-traumatic stress disorder, adjustment disorder, attention deficit-hyperactivity disorder, and constipation from a rectal evacuation disorder. While some studies have suggested that rumination syndrome occurs predominantly among children and adults with development delay, this has not been substantiated by most studies.

• #18 Rumination disorder – wikidoc

  https://www.wikidoc.org/index.php/Rumination_disorder

  prevalence: Both adults and children are susceptible to rumination syndrome. Out of the 2163 children and adolescents questioned for this study, 110 (5%) met the clinical criteria for rumination syndrome. In one research conducted in the United States, the prevalence of rumination was 5.8 percent […] Rumination syndrome may affect as many as 7 to 8 percent of people with fibromyalgia or eating problems. […] The prevalence of rumination syndrome is higher among subjects with intellectual disability compared to the overall population.

• #19 Rumination syndrome: pathophysiology, diagnosis and practical management | Frontline Gastroenterology

  https://fg.bmj.com/content/13/5/440

  Depending on whether children or adults are being studied, the prevalence of rumination syndrome ranges from 0.1% to 4% in children and 0.8% to 8% in adults. […] In a recent Rome Foundation global epidemiological study, rumination syndrome was found to have an overall worldwide prevalence of 2.8% with women having a slightly higher prevalence (3.1%) than men (2.5%). […] A higher prevalence of rumination syndrome has been noted in those with eating disorders (20%) and those with fibromyalgia (8%). […] Despite rumination syndrome being a relatively common disorder of gut-brain interaction, evidence suggests it is not well understood, resulting in patients often having to visit a number of clinicians and undergo several investigations before a diagnosis is eventually reached. […] Consequently, a formal diagnosis can be delayed, leading to weight loss and malnutrition.

• #20 Rumination syndrome: Critical review | Gastroenterología y Hepatología (English Edition)

  https://www.elsevier.es/es-revista-gastroenterologia-hepatologia-english-edition–382-articulo-rumination-syndrome-critical-review-S2444382422000189

  Rumination syndrome is a functional disorder characterized by the involuntary regurgitation of recently swallowed food from the stomach into the mouth, from where it can be re-chewed or expelled. […] Although it is considered an uncommon disease, there is little epidemiological information on its incidence and prevalence. […] The exact prevalence of rumination syndrome in adults is unknown. Population studies of gastrointestinal diseases have estimated a prevalence of around 1%. […] Higher prevalences have been reported in various selected cohorts. A study of adult patients diagnosed with proton pump inhibitor (PPI)-refractory GORD found a prevalence of rumination syndrome of 20%. […] There appears to be a higher prevalence in the paediatric and adolescent population versus the adult population. Population studies in different countries have reported a prevalence of around 5%.

• #21 Rumination syndrome: Critical review | Gastroenterología y Hepatología (English Edition)

  https://www.elsevier.es/es-revista-gastroenterologia-hepatologia-english-edition–382-articulo-rumination-syndrome-critical-review-S2444382422000189

  As in adults, certain risk groups have even higher prevalences. A study of paediatric patients with PPI-refractory GORD detected a prevalence of rumination syndrome of 43%. […] It is important to note that, as this entity is generally unknown, the actual prevalence of rumination syndrome is probably underestimated.

• #22 Rumination syndrome – Wikipedia

  https://en.wikipedia.org/wiki/Rumination_syndrome

  Rumination disorder was initially documented as affecting newborns, infants, children and individuals with mental and functional disabilities (cognitively disabled). It has since been recognized to occur in both males and females of all ages and cognitive abilities. […] Among cognitively disabled people, it is described with almost equal prevalence among infants (6-10% of the population) and institutionalized adults (8-10%). In infants, it typically occurs within the first 3-12 months of age. […] The occurrence of rumination syndrome within the general population has not been defined. Rumination is sometimes described as rare, but has also been described as not rare, but rather rarely recognized. The disorder has a female predominance. The typical age of adolescent onset is 12.9, give or take 0.4 years, with males affected sooner than females (11.0 ± 0.8 for males versus 13.8 ± 0.5 for females). […] There is little evidence concerning the impact of hereditary influence in rumination syndrome. However, case reports involving entire families with rumination exist.

• #23 +Bioline International Official Site (site up-dated regularly)

  http://www.bioline.org.br/request?jp07073

  Rumination syndrome is considered to be a functional gastroduodenal disorder that has been recognized as a unique category according to the recently established Rome III criteria (category B4). […] The syndrome has been described in almost equal prevalence among mentally retarded infants (6-10%) and in institutionalized mentally retarded adults (8-10%). […] The syndrome is now recognized with augmenting prevalence among adults of normal mental capacity. Nevertheless, the diagnosis is still delayed; in a tertiary referral center patients had suffered from this condition for 2.75 years and on average had consulted five physicians before reaching correct diagnosis. […] The overall clinical impression derived from the existing small series of patients, is that rumination is a rare condition that affects more commonly women than men. […] Nevertheless, careful investigation of the epidemiology of rumination is requested to define its incidence and severity in the general population.

• #24 Rumination syndrome – UpToDate

  https://www.uptodate.com/contents/rumination-syndrome

  Rumination syndrome can affect children and adults. In a study that surveyed 2163 children and adolescents, 110 (5 percent) fulfilled clinical criteria for rumination syndrome. In a study from the United States and another which surveyed over 50,000 participants across 26 countries, the prevalence of rumination was 3.1 and 5.8 percent, respectively. In patients with fibromyalgia or eating disorders, the prevalence of rumination syndrome may be as high as 7 to 8 percent. […] Rumination syndrome has been associated with anxiety, depression, obsessive compulsive disorder, post-traumatic stress disorder, adjustment disorder, attention deficit-hyperactivity disorder, and constipation from a rectal evacuation disorder. While some studies have suggested that rumination syndrome occurs predominantly among children and adults with development delay, this has not been substantiated by most studies.

• #25 Rumination Disorder | Concise Medical Knowledge

  https://www.lecturio.com/concepts/rumination-disorder/

  Seen in all ages but emerges sometime between 3 and 12 months of age. […] Prevalence of 0.8% in adults. […] Associated conditions: Anxiety, Depression, OCD, ADHD.

• #26 Global Prevalence and Impact of Rumination Syndrome

  https://lirias.kuleuven.be/3631246

  Global Prevalence and Impact of Rumination Syndrome […] Rumination syndrome is a Disorder of Gut-Brain Interaction (DGBI) of unknown etiology. […] The overall prevalence of rumination syndrome was 3.1% (95% confidence interval [CI], 3.0-3.3%). […] It was highest in Brazil (5.5% CI, 4.5-6.5) and lowest in Singapore (1.7% CI, 1.1-2.2). […] Factors independently associated with rumination syndrome were depression (odds ratio [OR], 1.46), anxiety (OR, 1.8), body mass index (OR, 1.04), and female sex (OR, 1.19). […] The prevalence of rumination syndrome is higher than reported in most previous population studies and is likely underdiagnosed in clinical practice.

• #27 Rumination Syndrome: An Update on Diagnostic and Treatment Strategies – Practical Gastro

  https://practicalgastro.com/2016/09/02/rumination-syndrome-an-update-on-diagnostic-and-treatment-strategies/

  Rumination syndrome (RS) is well recognized in infants and mentally handicapped individuals with a prevalence between 6 and 10%. In adults, RS remains an underdiagnosed entity with limited awareness among patients as well as physicians. It is known, however, that RS is more prevalent in young adults with females being more affected than males. […] The average time from onset of symptoms until the diagnosis of RS is approximately 17 months. Patients undergo expensive, unnecessary, and sometimes invasive testing prior to being diagnosed. […] In the differential diagnosis of RS, one must consider bulimia or anorexia. The history of these disorders includes a long history of struggling with food and weight. Additionally, the onset of vomiting is not readily identified with life events and is not related to the clinical setting of the gastroparesis or diabetic milieu.

• #28 Rumination syndrome: Diagnostic and therapeutic difficulties of a not so uncommon disorder | Anales de Pediatría

  https://www.analesdepediatria.org/en-rumination-syndrome-diagnostic-therapeutic-difficulties-articulo-S234128791730220X

  Rumination syndrome is an uncommon gastrointestinal functional disorder that may be difficult to diagnose, as not many physicians are aware of this condition. […] The prevalence of this disorder is unknown, as rumination is often kept hidden, so that parents may be unaware of the problem and thus not seek medical help. […] Rumination syndrome is a functional gastrointestinal disorder whose prevalence is largely unknown. It may have onset at any age, although certain age groups, such as adolescents, appear to be at higher risk. There is also a higher risk in the female sex. […] Due to the rarity of the disease and a limited knowledge of its clinical presentation on the part of clinicians, patients are misdiagnosed and are often subjected to tests and treatments that are unnecessary, invasive and costly.

• #29 Rumination Syndrome: An Update on Diagnostic and Treatment Strategies – Practical Gastro

  https://practicalgastro.com/2016/09/02/rumination-syndrome-an-update-on-diagnostic-and-treatment-strategies/

  Rumination syndrome (RS) is well recognized in infants and mentally handicapped individuals with a prevalence between 6 and 10%. In adults, RS remains an underdiagnosed entity with limited awareness among patients as well as physicians. It is known, however, that RS is more prevalent in young adults with females being more affected than males. […] The average time from onset of symptoms until the diagnosis of RS is approximately 17 months. Patients undergo expensive, unnecessary, and sometimes invasive testing prior to being diagnosed. […] In the differential diagnosis of RS, one must consider bulimia or anorexia. The history of these disorders includes a long history of struggling with food and weight. Additionally, the onset of vomiting is not readily identified with life events and is not related to the clinical setting of the gastroparesis or diabetic milieu.

• #30 Rumination-Syndrome-An-Update-on-Diagnostic-and-Treatment-Strategies

  https://www.ficomputing.net/article/165895/Rumination-Syndrome-An-Update-on-Diagnostic-and-Treatment-Strategies

  Rumination syndrome (RS) is well recognized in infants and mentally handicapped individuals with a prevalence between 6 and 10%. In adults, RS remains an underdiagnosed entity with limited awareness among patients as well as physicians. It is known, however, that RS is more prevalent in young adults with females being more affected than males. […] The average time from onset of symptoms until the diagnosis of RS is approximately 17 months. Patients undergo expensive, unnecessary, and sometimes invasive testing prior to being diagnosed. […] In the secondary form of RS, or conditioned vomiting, the organic vomiting disorder conditions the patients to expect and experience postprandial vomiting. Gastric emptying is delayed in up to 40% of patients with RS. […] Rumination syndrome, in our experience at a motility referral center, is the most underdiagnosed and underappreciated etiology of unexplained vomiting and is seen weekly in our practice.

• #31 Rumination syndrome: pathophysiology, diagnosis and practical management | Frontline Gastroenterology

  https://fg.bmj.com/content/13/5/440

  Depending on whether children or adults are being studied, the prevalence of rumination syndrome ranges from 0.1% to 4% in children and 0.8% to 8% in adults. […] In a recent Rome Foundation global epidemiological study, rumination syndrome was found to have an overall worldwide prevalence of 2.8% with women having a slightly higher prevalence (3.1%) than men (2.5%). […] A higher prevalence of rumination syndrome has been noted in those with eating disorders (20%) and those with fibromyalgia (8%). […] Despite rumination syndrome being a relatively common disorder of gut-brain interaction, evidence suggests it is not well understood, resulting in patients often having to visit a number of clinicians and undergo several investigations before a diagnosis is eventually reached. […] Consequently, a formal diagnosis can be delayed, leading to weight loss and malnutrition.

• #32 Rumination syndrome: Diagnostic and therapeutic difficulties of a not so uncommon disorder | Anales de Pediatría

  https://www.analesdepediatria.org/en-rumination-syndrome-diagnostic-therapeutic-difficulties-articulo-S234128791730220X

  The diagnosis of rumination syndrome is based on the Rome IV criteria. […] The importance of direct observation of rumination episodes while the patient eats should not be disregarded. However, in cases where the diagnosis is still uncertain, there are two tests that can provide objective data on rumination episodes and support the diagnosis. […] The most salient finding as regards the diagnostic tests performed in the cases under study is that every single patient was subjected to at least one test that was not needed for the diagnosis of rumination, while only 3 patients were eventually assessed by antroduodenal manometry after performance of other tests that were unnecessary.

• #33 Rumination Syndrome | Cedars-Sinai

  https://www.cedars-sinai.org/health-library/diseases-and-conditions/r/rumination-syndrome.html

  Rumination syndrome is a rare behavioral problem. It affects children and some adults. Rumination syndrome causes an automatic regurgitation of recently eaten food. Rumination syndrome is a rare problem. But it may be underdiagnosed because it is mistaken for another problem. Rumination is most often diagnosed in children. But it’s also diagnosed in adults. This problem is a psychological disorder. It may be mistaken for vomiting or other digestive problems. Rumination syndrome should be considered in anyone who vomits after eating, has regurgitation, and weight loss. […] Throwing up is much more common. So rumination syndrome is often misdiagnosed as a vomiting disorder such as delayed digestion (gastroparesis) or heartburn (GERD or gastroesophageal reflex disease). […] The symptoms of rumination syndrome don’t get better with normal treatment of reflux.

• #34 Frontiers | Rumination Syndrome in Children and Adolescents: A Mini Review

  https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.709326/full

  Rumination syndrome involves recurrent regurgitation of food and is believed to be underdiagnosed with patients experiencing long delays in diagnosis. It can be associated with significant social consequences, high rates of school absenteeism, and medical complications such as weight loss. The primary aims of the current review are to assess the literature regarding prevalence, pathophysiology, and treatment outcomes with a focus on neurotypical children and adolescents. […] Population studies in children/adolescents, 5 years of age or older, range from 0 to 5.1%. There are fewer studies in clinical settings, but the prevalence appears to be higher in patients with other gastrointestinal symptoms, particularly chronic vomiting. […] Pediatric rumination syndrome remains greatly understudied, particularly regarding treatment. There is a need to better define prevalence in both the primary care and subspecialty clinical settings, especially in patients presenting with vomiting or apparent gastroesophageal reflux. There is a need to determine whether treatment of co-morbid conditions results in improvement of rumination.

• #35 What is Rumination Disorder? Signs, Statistics & Causes

  https://breakbingeeating.com/rumination-disorder/

  Rumination syndrome is one of the rarest feeding disorders, and because of this obtaining data on the epidemiology of rumination disorder is extremely difficult. […] The syndrome is most common in children and in individuals with intellectual disabilities. […] In infants, rumination syndrome typically occurs within the first 3-12 months of age. […] The typical age of adolescent onset is 13 years, with males affected earlier than females. […] 12% of children with rumination syndrome report significant functional impairment. […] 75% of people with rumination syndrome have dental erosion. […] The consequence of this is that we know very little about the aetiology, prevalence, and treatment of rumination syndrome.

• #36 Rumination syndrome in children and adolescents: a school survey assessing prevalence and symptomatology | BMC Gastroenterology | Full Text

  https://bmcgastroenterol.biomedcentral.com/articles/10.1186/1471-230X-12-163

  Approximately 12% of children suffering from rumination syndrome had disturbances of daily activities. In 18%, rumination syndrome overlapped with other functional gastrointestinal diseases. […] This study highlights the significant prevalence of rumination syndrome in children and adolescents of normal intelligence. In this large school-based survey, we have shown rumination symptoms in 5.1% of children and adolescents aged 10-16years in Sri Lanka.

• #37 Rumination Statistics: Prevalence and Frequency of Rumination Syndrome

  https://www.therecoveryvillage.com/mental-health/rumination-disorder/rumination-syndrome-statistics/

  More than 8% of those with rumination disorder reported daily symptoms, with about 63% reporting monthly symptoms. […] Currently, there is little data available about the prevalence of rumination disorder in adults. However, experts do know that rates of rumination may be as high as 10% in people with intellectual disabilities who live in institutions. […] The rumination syndrome mortality rates are shocking. Rumination is the direct cause of death in between 5-10% of people with the condition. It seems being institutionalized leads to a poorer rumination disorder prognosis. The rates of the condition are higher in institutionalized infants and older adults with mortality at between 12-50%. […] Rumination disorder data is lacking in general, and there are limited statistics on rumination disorder treatment.

• #38 AGA Clinical Practice Update: Diagnosis of rumination syndrome | MDedge

  https://www.mdedge.com/gihepnews/article/173974/gastroenterology/aga-clinical-practice-update-diagnosis-rumination-syndrome/page/0/1

  The authors acknowledged that many questions, such as the pathophysiology and initiating factors of rumination syndrome, are unknown and noted future studies are needed to address epidemiology, develop validated tools for measuring symptoms, and study diaphragmatic breathing’s effect on reducing symptoms of rumination syndrome as well as the condition’s impact on quality of life. […] Indeed, the basic question of how subconsciously one can learn to regurgitate still needs to be answered.

• #39 Frontiers | Rumination Syndrome in Children and Adolescents: A Mini Review

  https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.709326/full

  Most prevalence estimates have resulted from general population studies, often performed in schools. Estimates are available from countries in North America, South America, Europe, and Asia. Overall, prevalence ranges from 0 to 9.7% with a tendency to be higher in children 4 years of age or younger when studies assess across wide pediatric age ranges. The prevalence in youth 5 years of age or older range from 0 to 5.1%. […] While there are a relatively large number of general population studies, there are very few studies performed in a clinical setting, particularly in older children and adolescents. […] Given the high variability from study-to-study, it is unclear whether the methodology is sufficient to identify all patients with rumination. More studies specifically assessing rumination in the general population are needed. Additionally, more studies are needed to understand the prevalence in a clinical setting, particularly in patients with other gastrointestinal symptoms given that rumination frequently is associated with other FGIDs.

• #40 Rumination syndrome: pathophysiology, diagnosis and practical management | Frontline Gastroenterology

  https://fg.bmj.com/content/13/5/440

  Rumination syndrome is a poorly recognised, infrequently diagnosed, yet easily manageable disorder of gut-brain interaction. Greater awareness among medical professionals will ensure prompt diagnosis, prevent malnutrition and reduce inappropriate referrals for psychiatric assessments or invasive investigations.

• #41 Rumination syndrome: Diagnostic and therapeutic difficulties of a not so uncommon disorder | Anales de Pediatría

  https://www.analesdepediatria.org/en-rumination-syndrome-diagnostic-therapeutic-difficulties-articulo-S234128791730220X

  Rumination syndrome is an uncommon gastrointestinal functional disorder that may be difficult to diagnose, as not many physicians are aware of this condition. […] The prevalence of this disorder is unknown, as rumination is often kept hidden, so that parents may be unaware of the problem and thus not seek medical help. […] Rumination syndrome is a functional gastrointestinal disorder whose prevalence is largely unknown. It may have onset at any age, although certain age groups, such as adolescents, appear to be at higher risk. There is also a higher risk in the female sex. […] Due to the rarity of the disease and a limited knowledge of its clinical presentation on the part of clinicians, patients are misdiagnosed and are often subjected to tests and treatments that are unnecessary, invasive and costly.

• #42 Top Published Expert Doctors for Rumination Syndrome

  https://findexpertmd.com/d/Rumination_Syndrome?physician=physician

  151 top medical experts on Rumination Syndrome across 17 countries and 12 U.S. states, including 28 MDs (Physicians). This is based on an objective analysis of their Scientific Publications, Clinical Trials, Medicare, and NIH Grants. […] Clinical Trials ClinicalTrials.gov : at least 41 including 1 Active, 24 Completed, 9 Recruiting.

• #43 Top Published Expert Doctors for Rumination Syndrome

  https://findexpertmd.com/d/Rumination_Syndrome?physician=physician

  151 top medical experts on Rumination Syndrome across 17 countries and 12 U.S. states, including 28 MDs (Physicians). This is based on an objective analysis of their Scientific Publications, Clinical Trials, Medicare, and NIH Grants. […] Clinical Trials ClinicalTrials.gov : at least 41 including 1 Active, 24 Completed, 9 Recruiting.

• #44 What is Rumination Disorder? Signs, Statistics & Causes

  https://breakbingeeating.com/rumination-disorder/

  Rumination syndrome is one of the rarest feeding disorders, and because of this obtaining data on the epidemiology of rumination disorder is extremely difficult. […] The syndrome is most common in children and in individuals with intellectual disabilities. […] In infants, rumination syndrome typically occurs within the first 3-12 months of age. […] The typical age of adolescent onset is 13 years, with males affected earlier than females. […] 12% of children with rumination syndrome report significant functional impairment. […] 75% of people with rumination syndrome have dental erosion. […] The consequence of this is that we know very little about the aetiology, prevalence, and treatment of rumination syndrome.

• #45 Rumination Statistics: Prevalence and Frequency of Rumination Syndrome

  https://www.therecoveryvillage.com/mental-health/rumination-disorder/rumination-syndrome-statistics/

  Though many have never heard of the condition, rumination disorder statistics and facts point to the diagnosis being more common than previously believed. […] Determining rumination syndrome prevalence is somewhat difficult. Experts find that rates of rumination disorder are increasing, but they cannot say if the number of cases is going up or if doctors are reporting it more often as they become aware of the condition. […] To this point, researchers have not conducted the type of large-scale, systematic study needed to find a consistent and reliable prevalence of rumination disorder. Instead, there has been a series of small studies completed to assess the rates of rumination disorder in the United States and around the world. […] About 5% of boys and girls reported rumination disorder symptoms.

• #46 Rumination syndrome: Diagnostic and therapeutic difficulties of a not so uncommon disorder | Anales de Pediatría

  https://www.analesdepediatria.org/en-rumination-syndrome-diagnostic-therapeutic-difficulties-articulo-S234128791730220X

  Rumination syndrome is an uncommon gastrointestinal functional disorder that may be difficult to diagnose, as not many physicians are aware of this condition. […] The prevalence of this disorder is unknown, as rumination is often kept hidden, so that parents may be unaware of the problem and thus not seek medical help. […] Rumination syndrome is a functional gastrointestinal disorder whose prevalence is largely unknown. It may have onset at any age, although certain age groups, such as adolescents, appear to be at higher risk. There is also a higher risk in the female sex. […] Due to the rarity of the disease and a limited knowledge of its clinical presentation on the part of clinicians, patients are misdiagnosed and are often subjected to tests and treatments that are unnecessary, invasive and costly.

• #47 Rumination Statistics: Prevalence and Frequency of Rumination Syndrome

  https://www.therecoveryvillage.com/mental-health/rumination-disorder/rumination-syndrome-statistics/

  Though many have never heard of the condition, rumination disorder statistics and facts point to the diagnosis being more common than previously believed. […] Determining rumination syndrome prevalence is somewhat difficult. Experts find that rates of rumination disorder are increasing, but they cannot say if the number of cases is going up or if doctors are reporting it more often as they become aware of the condition. […] To this point, researchers have not conducted the type of large-scale, systematic study needed to find a consistent and reliable prevalence of rumination disorder. Instead, there has been a series of small studies completed to assess the rates of rumination disorder in the United States and around the world. […] About 5% of boys and girls reported rumination disorder symptoms.

• #48 Project ECHO: Rumination | Nationwide Children’s Hospital

  https://www.nationwidechildrens.org/for-medical-professionals/education-and-training/echo/series/rumination

  ECHO Rumination is a comprehensive series that guides participants through diagnosing rumination syndrome, focusing on testing and behavioral observation. […] The series aims to improve patient and community care by covering the diagnostic criteria, epidemiology, and pathophysiology of rumination syndrome.

• #49 The prevalence of rumination syndrome and rumination disorder: A systematic review and meta-analysis – PubMed

  https://pubmed.ncbi.nlm.nih.gov/38563201/

  The prevalence of rumination is more common in adults than in children. […] Future population studies should aim to better understand why this behavior is more common in adults and also compare validated DSM-5 assessments for rumination disorder with Rome criteria for rumination syndrome as prevalence may differ.

• #50 Frontiers | Rumination Syndrome in Children and Adolescents: A Mini Review

  https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2021.709326/full

  Most prevalence estimates have resulted from general population studies, often performed in schools. Estimates are available from countries in North America, South America, Europe, and Asia. Overall, prevalence ranges from 0 to 9.7% with a tendency to be higher in children 4 years of age or younger when studies assess across wide pediatric age ranges. The prevalence in youth 5 years of age or older range from 0 to 5.1%. […] While there are a relatively large number of general population studies, there are very few studies performed in a clinical setting, particularly in older children and adolescents. […] Given the high variability from study-to-study, it is unclear whether the methodology is sufficient to identify all patients with rumination. More studies specifically assessing rumination in the general population are needed. Additionally, more studies are needed to understand the prevalence in a clinical setting, particularly in patients with other gastrointestinal symptoms given that rumination frequently is associated with other FGIDs.

• #51 Global Prevalence and Impact of Rumination Syndrome

  https://lirias.kuleuven.be/3631246

  Global Prevalence and Impact of Rumination Syndrome […] Rumination syndrome is a Disorder of Gut-Brain Interaction (DGBI) of unknown etiology. […] The overall prevalence of rumination syndrome was 3.1% (95% confidence interval [CI], 3.0-3.3%). […] It was highest in Brazil (5.5% CI, 4.5-6.5) and lowest in Singapore (1.7% CI, 1.1-2.2). […] Factors independently associated with rumination syndrome were depression (odds ratio [OR], 1.46), anxiety (OR, 1.8), body mass index (OR, 1.04), and female sex (OR, 1.19). […] The prevalence of rumination syndrome is higher than reported in most previous population studies and is likely underdiagnosed in clinical practice.

• #52 Rumination syndrome: pathophysiology, diagnosis and practical management | Frontline Gastroenterology

  https://fg.bmj.com/content/13/5/440

  Rumination syndrome is a poorly recognised, infrequently diagnosed, yet easily manageable disorder of gut-brain interaction. Greater awareness among medical professionals will ensure prompt diagnosis, prevent malnutrition and reduce inappropriate referrals for psychiatric assessments or invasive investigations.

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