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Proton Pump Inhibitors Versus Histamine-2 Receptor Blockers for Stress Ulcer Prophylaxis on In-hospital Mortality
Lanxiang Pu1, Ting Jia2, Shili Su3
1Department of Pharmacy, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, China.
Purpose:
Patients in the intensive care unit (ICU) commonly receive stress ulcer prophylaxis drugs, either proton pump inhibitors (PPIs) or histamine-2 receptor blockers (H2RBs). The goal of this research was to evaluate the impact of these drugs on mortality among ICU patients hospitalized for major adverse cardiovascular and cerebrovascular events (MACCEs).
Methods:
ICU patients hospitalized for MACCEs were sourced from the Medical Information Mart for Intensive Care-III database. We performed a propensity score matching analysis to match patients treated with PPIs to those treated with H2RBs for stress ulcer prophylaxis. The outcome was 90-day mortality. We used multivariable Cox regression analyses to compare the effect. Hazard ratio (HR), 95% CIs, and P values were reported from the model.
Findings:
From 2001 to 2012, a total of 3577 patients hospitalized for MACCEs (1997 received PPIs and 1580 received H2RBs) were admitted. The 90-day mortality was 23.7% (848/3577); it was 27% (540/1997) and 19.5% (308/1580) for PPIs and H2RBs users, respectively. The PPI group exhibited a greater 90‑day mortality in comparison to the H2RBs group (relative risk = 1.17; P = 0.036), after conditioning on potential confounder. The results remained robust in propensity score matching, sensitivity analyses, and subgroup analyses.
Implications:
PPIs for stress ulcer prophylaxis were linked to an increased risk of in-hospital mortality than H2RBs in patients hospitalized for MACCEs. Further investigation of this association and validation of its clinical significance is needed.
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