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  • Title: Chronic acid-related disorders are common and underinvestigated.
    Author: Majumdar SR, Soumerai SB, Farraye FA, Lee M, Kemp JA, Henning JM, Schrammel P, LeCates RF, Ross-Degnan D.
    Journal: Am J Gastroenterol; 2003 Nov; 98(11):2409-14. PubMed ID: 14638341.
    Abstract:
    OBJECTIVES: The aims of this study were as follows: to establish the prevalence of chronic acid-related disorders in a managed care population; to describe these patients; and to examine rates of adherence to current guidelines for investigation of dyspepsia and peptic ulcer disease. METHODS: The design was a population-based cohort study. The sample was drawn from 216,720 adult (aged >18 yr) members of a managed care organization that had an electronic medical record linked to administrative and pharmacy databases. We included adults with continuous enrollment from July, 1998, to January, 2000, who were dispensed histamine-2 blockers or proton-pump inhibitors, or both, for > or =1 yr. Dispensing data, sociodemographic and clinical information, comorbidities, and investigations were collected and analyzed. RESULTS: The final cohort consisted of 5064 patients; 64% were aged > or =50 yr, 47% were male, and 11% were African American. The prevalence of chronic acid-related disorders was 2.3%. Gastroesophageal reflux disease (59%) was the most common condition, followed by dyspepsia (35% of cohort; 18% investigated by endoscopy). There were 917 dyspepsia patients > or =50 yr who had not been investigated by endoscopy (81% of dyspepsia patients in this age group). There were 97 patients with peptic ulcer disease who did not have a documented test for Helicobacter pylori (34% of patients with peptic ulcer disease). CONCLUSIONS: Chronic acid-related disorders are common in primary care, and many patients use acid suppressing medications on a long-term basis. Nevertheless, according to current practice guidelines, our patients were underinvestigated. Future guidelines should specifically address the management of patients who use acid suppressing medications on a chronic basis.
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