Abstract
Stress ulcer prophylaxis (SUP) is not indicated in most hospitalized patients. This study determined the prevalence of the use of proton pump inhibitors (PPI) and histamine receptor 2 blockers (H2B) in hospitalized patients, continued PPI/H2B use after discharge, and physicians' opinions about SUP. A retrospective electronic chart review, as well as a national survey of residents and faculty in primary care residency programs to determine the appropriateness of SUP. Of 753 charts reviewed, 332 hospitalized patients with outpatient follow-up were included; 303 of them had either PPI or H2B ordered during hospitalization, but only 120 patients had an indication for SUP. Stepwise logistic regression results showed patients with a history of PPI/H2B use were 16.6 times more likely to receive SUP (odds ratio 16.6; 95% confidence interval 2.2-124.7). In addition, a PPI/H2B indication also significantly predicted SUP use (odds ratio 5.1; 95% confidence interval 1.2-22.2). A total of 171 completed surveys were received: 73% residents and 27% faculty. Only 24% reported being aware of SUP guidelines; 17% reported using electronic health record order set suggestions for SUP. More than 90% of hospitalized patients received SUP; less than half of them had an indication for needing SUP. A large number of patients discharged on PPI/H2B continued to receive it in the outpatient setting at 6 months follow-up. Only 24% of physicians reported using SUP based on guidelines. Physician education and evidence-based validation of electronic health record order sets are potential areas for improvement.
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