Prevalence and Incidence of Gastroesophageal Reflux Disease
Prevalance of Gastroesophageal Reflux Disease:
3-7% of the population in the USA 1985 for "GERD and related esophageal disorders" (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994) ... see also overview of Gastroesophageal Reflux Disease.
Prevalance Rate:
approx 1 in 33 or 3.00% or 8.2 million people in USA [Source statistic for calcuation: "3-7% of the population in the USA 1985 for "GERD and related esophageal disorders" (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)" -- see also general information about data sources]
Gastroesophageal Reflux Disease Prevalence: Book Excerpts
Prevalance of Gastroesophageal Reflux Disease:
3 to 7 percent of U.S. population
(1985) (Source: excerpt from Digestive Diseases Statistics: NIDDK)
More Statistics about Gastroesophageal Reflux Disease:
Deaths and related statistics
Hospitalization statistics
All statistics for Gastroesophageal Reflux Disease
Prevalence/Incidence of Gastroesophageal Reflux Disease: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Gastroesophageal Reflux Disease.
Gastroesophageal reflux:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The function of the LES — a high-pressure area in the lower esophagus, just above the stomach — is to prevent gastric contents from backing up into the esophagus. Normally, the LES creates pressure, closing the lower end of the esophagus, but relaxes after each swallow to allow food into the stomach. Reflux occurs when LES pressure is deficient or when pressure within the stomach exceeds LES pressure. (See Influences on LES pressure, page 690.)
Studies have shown that a patient with symptom-producing reflux can’t swallow often enough to create sufficient peristaltic amplitude to clear gastric acid from the lower esophagus. This results in prolonged periods of acidity in the esophagus when reflux occurs.
Predisposing factors include:
❑ pyloric surgery (alteration or removal of the pylorus), which allows reflux of bile or pancreatic juice
❑ long-term nasogastric (NG) intubation (more than 4 days)
❑ any agent that lowers LES pressure, such as food, alcohol, cigarettes; anticholinergics (atropine, belladonna, and propantheline); or other drugs (morphine, diazepam, calcium channel blockers, and meperidine)
❑ hiatal hernia with an incompetent sphincter
❑ any condition or position that increases intra-abdominal pressure, such as straining, bending, coughing, pregnancy, obesity, and recurrent or persistent vomiting.
About 25% to 40% of Americans experience symptomatic GERD at some point in their lives, while 7% to 10% of Americans experience symptoms on a daily basis. True incidence figures may be even higher because many people with GERD take over-the-counter remedies without reporting their symptoms.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
Gastroesophageal Reflux:
Gastroesophageal Reflux - epidemiology
(The 5-Minute Pediatric Consult)
Gastroesophageal Reflux - prevalence
10% of adults, 7% of infants (GERD), 2–8% of children
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Gastroesophageal Reflux Disease usually refers to the estimated population
of people who are managing Gastroesophageal Reflux Disease at any given time.
The term 'incidence' of Gastroesophageal Reflux Disease refers to the annual diagnosis rate,
or the number of new cases of Gastroesophageal Reflux Disease diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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