{
 "topic": "Gastroesophageal Reflux Disease",
 "slug": "gastroesophageal-reflux-disease",
 "category_id": 15778,
 "summary": "The line between normal infant spitting up (GER) and disease requiring treatment (GERD), its esophageal and extraesophageal presentations, at-risk groups, and management from conservative measures to surgery.",
 "written_by": "claude-sonnet",
 "references": [
  {
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  {
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    659
   ]
  },
  {
   "title": "Algorithms in Pediatrics",
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   ]
  },
  {
   "title": "Netters Pediatrics (Florin \u0422., Ludwig St.)",
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  },
  {
   "title": "Textbook of Pediatric Gastroenterology, Hepatology and Nutrition (Stefano Guandalini, Anil Dhawan)",
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  },
  {
   "title": "Pediatric Otolaryngology (American Academy of Pediatrics) ( etc.)",
   "author": null,
   "pages": [
    157
   ]
  }
 ],
 "short": [
  {
   "title": "In short",
   "content": "- Gastroesophageal reflux (GER) is the physiologic, retrograde passage of gastric contents across the lower esophageal sphincter into the esophagus, occurring daily in essentially all infants, older children, and adults; gastroesophageal reflux disease (GERD) is present only when reflux causes troublesome symptoms or complications.\n- GERD is the most common esophageal disorder in children of all ages. Recurrent vomiting/regurgitation affects about 50% of newborns, rising to 67% at 3-4 months of age; GERD with troublesome symptoms is estimated in 10-20% of infants and 5-8% of children in North America (another source cites 5-7% in ages 1-12).\n- Physiologic GER typically begins after 1 week of age, peaks around 3-4 months, and rarely persists past 6 months; spontaneous remission of regurgitation occurs in over 80% of children by 18 months, with most resolving by 12-18 months as the lower esophageal sphincter matures, posture becomes upright, and the diet shifts to more solids.\n- Esophageal manifestations of GERD include heartburn and regurgitation with mucosal complications (esophagitis, stricture, Barrett esophagus) from acid exposure; older children report adult-type symptoms \u2014 regurgitation into the mouth, heartburn, dysphagia \u2014 and esophagitis requires endoscopy with biopsy to confirm.\n- Extraesophageal manifestations include upper and lower airway symptoms (chronic cough, hoarseness, wheezing/asthma, recurrent or chronic rhinosinusitis) and dental erosions; objective confirmation that reflux is truly causing these is often difficult.\n- Increased GERD risk is seen in premature infants and children with neurologic, pulmonary, or developmental disorders, asthma, cystic fibrosis, hiatal hernia, and repaired tracheoesophageal fistula; GERD is also common in cystic fibrosis, where it may worsen lung disease via aspiration and reflex bronchospasm.\n- Pathologic reflux is the most common cause of esophagitis in children; in a previously healthy child, esophageal symptoms are usually from reflux esophagitis, while immunocompromised patients need infectious esophagitis excluded.\n- Initial treatment in infants is nonpharmacologic: reduce feed volumes, thicken feeds, and position the infant after feeding; older children benefit from avoiding trigger foods and eating small, frequent meals. Medical therapy adds acid suppression (e.g., proton pump inhibitors) and prokinetics if gastroparesis coexists; fundoplication is rarely needed and reserved for medically refractory cases, after alternative causes of recurrent vomiting are excluded.\n- Red flag features (as with any vomiting child) should prompt evaluation for other causes rather than assuming GERD \u2014 the differential by age spans gastroenteritis, intussusception, increased intracranial pressure, cyclic vomiting, eosinophilic esophagitis, and, in adolescents, functional dyspepsia, appendicitis, IBD, pregnancy, or an eating disorder."
  }
 ],
 "long": [
  {
   "title": "Definition",
   "content": "Gastroesophageal reflux (GER) is the physiologic, effortless passage of gastric contents across the lower esophageal sphincter into the esophagus, occurring daily in essentially all infants, older children, and adults, and typically running an uncomplicated course. Gastroesophageal reflux disease (GERD) is the outcome of excessive or persistent reflux that produces troublesome symptoms or complications affecting the esophagus, oropharynx, or respiratory tract. The clinical distinction between physiologic GER and pathologic GERD is not always straightforward."
  },
  {
   "title": "Epidemiology",
   "content": "GERD is the most common esophageal disorder in children of all ages. Recurrent vomiting affects about 50% of newborns, rising to 67% by 3-4 months of life; over two-thirds of otherwise healthy infants have daily \"spitting up.\" GERD with troublesome symptoms is estimated to occur in 10-20% of infants and 5-8% of children in North America; a separate estimate places GERD prevalence in the general pediatric population (ages 1-12) at 5-7%, with heartburn and epigastric pain from GERD occurring in 1-8% of children. Peak incidence in infants occurs around 3-4 months of age, with only about 5-10% of patients continuing to have symptoms at 12 months, and spontaneous remission of regurgitation symptoms occurring in over 80% of children by 18 months."
  },
  {
   "title": "Etiology",
   "content": "GER results from inappropriate relaxation of the lower esophageal sphincter due to functional immaturity, compounded in infancy by a predominantly fluid diet, a mainly horizontal posture, and a short intra-abdominal esophageal length. GERD incidence is increased in children born prematurely and in those with neurologic, pulmonary, or developmental disorders, as well as asthma, cystic fibrosis, hiatal hernia, and repaired tracheoesophageal fistula. GERD is common in children and infants with cystic fibrosis and may exacerbate lung disease via aspiration and reflex bronchospasm."
  },
  {
   "title": "Clinical features",
   "content": "In infants, GER most often presents as frequent postprandial regurgitation, ranging from effortless to forceful; affected infants are typically otherwise well and gaining weight normally, though the frequency (up to 6 or more episodes daily in about 5% of affected infants) is frustrating for caregivers. Esophageal manifestations of GERD include heartburn and regurgitation, with mucosal complications such as esophagitis, stricture, or Barrett esophagus from acid exposure. Older children with GERD report adult-type symptoms: regurgitation into the mouth, heartburn, and dysphagia. Extraesophageal manifestations encompass a range of disorders potentially linked to reflux, including upper and lower airway symptoms (chronic cough, hoarseness, wheezing, asthma, recurrent or chronic rhinosinusitis) and dental erosions, though objective confirmation of a causal link in these settings is often difficult. Reflux may directly injure sinonasal mucosa, triggering inflammation, edema, and impaired mucociliary clearance; evaluation for GER should be considered in a child with a history of reflux as an infant, poor weight gain, recurrent or chronic rhinosinusitis, and reactive airway disease."
  },
  {
   "title": "Diagnostics",
   "content": "Diagnosis in a typical infant with effortless regurgitation and normal growth is clinical, without need for further testing. When esophagitis is suspected, endoscopy with biopsy is needed for diagnostic confirmation. For suspected extraesophageal manifestations or atypical presentations (e.g., unexplained wheezing, especially in a child under 6 months with severe episodes), focused investigations may include a GER scan or 24-hour pH study, flexible bronchoscopy, sweat chloride testing, and chest CT; pH probe/impedance testing can be done off medication to quantify reflux or on medication to assess the adequacy of acid suppression. Upper GI radiography (barium swallow) can help exclude partial obstruction as an alternative cause of symptoms."
  },
  {
   "title": "Differential diagnosis",
   "content": "In an older infant or child with vomiting, alternative causes to consider include gastroenteritis, other infections, intussusception, anaphylaxis, adrenal crisis, increased intracranial pressure, cyclic vomiting syndrome, migraine, eosinophilic esophagitis or gastroenteritis, and child abuse; in adolescents, the differential also includes functional dyspepsia, functional nausea and vomiting, appendicitis, inflammatory bowel disease, pregnancy, bulimia/psychogenic vomiting, rumination syndrome, and cannabinoid hyperemesis syndrome. Pathologic reflux is the most common cause of esophagitis in children, but achalasia, diffuse esophageal spasm, foreign body impaction, and mediastinal or retropharyngeal abscess can also cause esophageal symptoms; in immunocompromised patients, infectious esophagitis must be excluded rather than assumed to be reflux."
  },
  {
   "title": "Treatment",
   "content": "In infants, initial management is nonpharmacologic: reducing feed volumes, thickening feeds, and positioning the infant appropriately after feeds. For older children, dietary modification \u2014 avoiding foods that exacerbate symptoms and eating small, frequent meals \u2014 is recommended. Medical treatment includes gastric acid secretion blockers such as proton pump inhibitors, and prokinetic drugs when gastroparesis is also present. Surgical treatment with fundoplication is rarely indicated, reserved for medically refractory GERD, and alternative causes of recurrent vomiting should be excluded before proceeding to surgery."
  },
  {
   "title": "Complications",
   "content": "Esophagitis, esophageal stricture, and Barrett esophagus can complicate chronic acid exposure from GERD. Extraesophageal complications include chronic cough, hoarseness, wheezing/asthma exacerbation, recurrent or chronic rhinosinusitis (via direct mucosal injury and impaired mucociliary clearance), and dental erosions. In children with cystic fibrosis, GERD can exacerbate underlying lung disease through aspiration and reflex bronchospasm."
  }
 ],
 "clinical": [
  {
   "title": "Distinguishing physiologic reflux from disease",
   "content": "In an infant with frequent, effortless regurgitation who is otherwise well and gaining weight normally, reassure the family that this is physiologic GER, typically peaking around 3-4 months and resolving by 12-18 months in the great majority of cases as the lower esophageal sphincter matures and the diet shifts to solids. Reserve the label GERD, and further workup, for infants or children with troublesome symptoms or complications: esophagitis-type symptoms (heartburn, regurgitation with discomfort), poor weight gain or growth failure, or extraesophageal features such as chronic cough, hoarseness, wheezing, or recurrent/chronic rhinosinusitis, especially in a child with a history of reflux as an infant. In an older child, ask specifically about regurgitation into the mouth, heartburn, and dysphagia, which are the adult-type symptoms typical at this age."
  },
  {
   "title": "Stepwise management",
   "content": "Start with nonpharmacologic measures in infants: reduce feed volumes, thicken feeds, and position the infant upright after feeding. In older children, recommend avoiding foods that trigger symptoms and eating small, frequent meals. If symptoms persist or complications (esophagitis) are suspected, add acid suppression (e.g., a proton pump inhibitor) and consider a prokinetic if gastroparesis is present; confirm esophagitis with endoscopy and biopsy rather than treating empirically indefinitely. Reserve fundoplication for medically refractory GERD, and rule out alternative causes of recurrent vomiting (by age: gastroenteritis, intussusception, increased intracranial pressure, cyclic vomiting, eosinophilic esophagitis in younger children; functional dyspepsia, appendicitis, IBD, pregnancy, or disordered eating in adolescents) before considering surgery. Pursue targeted testing (24-hour pH/impedance study, endoscopy, sweat chloride, bronchoscopy, or chest imaging) when the presentation is atypical, symptoms are severe, or the child is under 6 months with unexplained wheezing, rather than assuming reflux is the cause without evidence."
  }
 ]
}