• Zongdan Jiang, Hailu Wu, Zhaotao Duan, Zhibing Wang, Kewei Hu, Fei Ye, and Zhenyu Zhang.
• Department of Gastroenterology, Nanjing First Hospital Affiliated to Nanjing Medical University, 68, Changle Road, Nanjing 210006, China.
• Clin Res Hepatol Gastroenterol. 2013 Dec 1; 37 (6): 636-41.

BackgroundCurrent medical therapies for patients who have an acute coronary syndrome (ACS) focus on the coagulation cascade and platelet inhibition. These, coupled with early use of cardiac catheterization and revascularization, have decreased morbidity and mortality rates in patients who have acute ischemic heart disease with risk of bleeding.ObjectiveThe study aimed to determine the incidence of gastrointestinal bleeding after percutaneous coronary intervention (PCI). The effect of proton-pump inhibitor (PPI) treatment was also analyzed.MethodsThis case-control study evaluated gastrointestinal bleeding within a year of PCI for stable angina and acute coronary syndromes at Nanjing First Hospital between 2008 and 2011. Cases were identified and outcomes assessed using linkage analysis of data from cardiology and gastroenterology department databases. Analysis of the case and control groups for both risk and protective factors was performed using independent two-sample Student's t-test with Fisher's exact P value and logistic regression.ResultsThe incidence of gastrointestinal bleeding following PCI was 1.3% (35/2680 patients). The risk factors for gastrointestinal bleeding were advanced age, female gender, smoking, drinking, previous peptic ulcer and previous gastrointestinal bleeding. PPI use after PCI (P=0.000) was accompanied by a lower risk of gastrointestinal bleeding, with only a few cases of gastrointestinal bleeding events reported.ConclusionThe incidence of gastrointestinal bleeding associated with the combination of aspirin and clopidogrel therapy was estimated to be 1.3%. Advanced age, being female, smokers, drinkers, previous peptic ulcer and previous gastrointestinal bleeding were significant independent risk factors. PPI for the prevention and treatment of gastrointestinal bleeding induced by the combination of aspirin and clopidogrel in patients after PCI was safe and effective.Published by Elsevier Masson SAS.

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