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  • Title: Is the proton pump inhibitor test helpful in patients with laryngeal symptoms?
    Author: Kim JH, Sung IK, Hong SN, Lee SY, Park HS, Shim CS.
    Journal: Dig Dis Sci; 2013 Jun; 58(6):1663-7. PubMed ID: 23443492.
    Abstract:
    BACKGROUND AND OBJECTIVES: The association of gastroesophageal reflux disease (GERD) and laryngeal symptoms is not clear. We aimed to examine the symptomatic and endoscopic relations between GERD and laryngeal symptoms and also to evaluate the response to a 2-week proton pump inhibitor (PPI) trial. METHODS: Seventy-two patients experiencing persistent laryngeal symptoms ≥ 2/week were enrolled. The laryngeal symptoms using the 1-week laryngeal symptom score (LSS) and the typical reflux symptoms including heartburn and acid regurgitation were assessed. Transnasal-esophagogastroduodenoscopy (TN-EGD) and ambulatory 24-h esophageal pH monitoring were performed. The patients were classified into a GERD group and a non-GERD group. The GERD group was defined as the cases of the presence of typical reflux symptoms and/or reflux esophagitis and/or pathologic acid exposure. Patients were treated with 30 mg of lansoprazole bid for 14 days. RESULTS: Thirty-nine patients (54 %) were diagnosed with GERD on the basis of typical reflux symptoms, EGD, and/or pH testing. There was no significant association between the LSS and the presence of typical reflux symptoms. Also, the presence of laryngitis was not significantly related to reflux esophagitis. The 2-week PPI trial showed no significant difference in the improvement in laryngeal symptoms between the GERD and non-GERD groups. CONCLUSIONS: There was no significant symptomatic and endoscopic association between GERD and laryngeal symptoms. Therefore, GERD does not appear to be the sole cause of these symptoms. Additionally, a 2-week PPI trial is not long enough to be a diagnostic tool in patients with laryngeal symptoms.
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