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  • Title: Gastroesophageal reflux symptoms in typical and atypical GERD: roles of gastroesophageal acid refluxes and esophageal motility.
    Author: Patcharatrakul T, Gonlachanvit S.
    Journal: J Gastroenterol Hepatol; 2014 Feb; 29(2):284-90. PubMed ID: 23926926.
    Abstract:
    BACKGROUND/AIM: To determine the roles of gastroesophageal acid reflux (GER) and esophageal dysmotility on typical and atypical GERD symptoms. METHODS: Two hundred thirty-six patients (159 females, age 47 ± 14 years) with typical and atypical GERD symptom(s) for > 3 months underwent standard water perfused esophageal manometry (EM) and 24 h esophageal pH studies during off therapy. RESULTS: Eighty seven and 93 patients had positive lower esophageal pH tests and abnormal EM, respectively. Patients with positive lower esophageal pH test were significantly older (50 ± 13 vs 45 ± 13 years, P < 0.005) and had higher prevalence of acid regurgitation symptoms than patients with negative test (56/87 vs 72/149, P < 0.05). Patients with positive upper esophageal pH test (n = 67) also had significantly higher prevalence of acid regurgitation symptoms (43/67 vs 74/152, P < 0.05). Prevalence of other upper gastrointestinal and respiratory symptoms were similar between patients with positive and negative upper and lower pH test. Patients with abnormal EM were significantly older (49 ± 14 vs 45 ± 13 years, P < 0.05) and had higher prevalence of chronic cough than patients with normal EM(30/93 vs 26/143, P < 0.05). In patients with positive pH tests, the prevalence of dysphagia, chronic cough, and hoarseness of voice were significantly higher in patients with abnormal than those with normal EM (18/31 vs 18/56, P < 0.05; 12/31 vs 6/56, P < 0.005 and 19/31 vs 18/56, P < 0.01, respectively). Whereas in patients with negative lower pH tests, only the prevalence of heartburn was significantly lower in patients with normal than those with abnormal EM (26/87 vs 30/62, P < 0.05). CONCLUSIONS: Acid regurgitation but not heartburn was associated with GER. Esophageal dysmotility had no significant effect on acid regurgitation symptom but associated with chronic cough, hoarseness of voice, and dysphagia only in patients with abnormal esophageal acid exposure.
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