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Gastroesophageal reflux disease (GERD) is the backward flow of stomach contents (acid, pepsin, or bile) into the esophagus, causing mucosal inflammation known as esophagitis. It results from failure of antireflux mechanisms, mainly the lower esophageal sphincter (LES), influenced by mechanical and physiological factors.Etiology and Risk FactorsGERD develops when LES function is weakened or when intra-abdominal pressure increases. Risk factors include aging, obesity, and sliding hiatal hernia,...
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Surgical Models of Gastroesophageal Reflux with Mice
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Food sensitivity in reflux esophagitis.

S F Price, K W Smithson, D O Castell

    Gastroenterology
    |August 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Esophageal pain from acid reflux is often triggered by various foods and drinks, not just stomach acid. This study found that patients with acid sensitivity also reacted to coffee, orange juice, and tomato drinks, indicating nonspecific esophageal pain.

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    Area of Science:

    • Gastroenterology
    • Esophageal Physiology
    • Clinical Medicine

    Background:

    • Esophageal pain is a common symptom with diverse potential causes.
    • The role of specific food and beverage triggers in esophageal pain perception requires further elucidation.

    Purpose of the Study:

    • To investigate the sensitivity of patients with possible esophageal pain to various intraesophageal infusions.
    • To compare patient responses to acid infusions versus common food and beverage infusions.

    Main Methods:

    • Sixty-six patients with suspected esophageal pain underwent intraesophageal infusions.
    • Infusions included coffee, orange juice, spicy tomato drink, and hydrochloric acid (HCl) at varying concentrations.
    • These were administered as an addendum to standard acid infusion (Bernstein) tests.

    Main Results:

    • Acid-sensitive patients showed significant sensitivity to coffee, orange juice, and tomato drink infusions.
    • Patients were largely insensitive to HCl solutions with low titratable acidity (≤ 1 mEq/L).
    • Importantly, patients remained highly sensitive to non-acidic (pH 7) coffee, orange juice, and tomato drink infusions.

    Conclusions:

    • Esophageal pain, even in acid-sensitive individuals, is nonspecific.
    • A variety of substances, including common beverages, can precipitate esophageal pain.
    • Patients cannot reliably differentiate symptoms caused by acid versus food/beverage infusions.