• Gregory D Rubinfeld, Jeffrey S Berger, and Nathaniel R Smilowitz.
• Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Conn.
• Am. J. Med. 2022 Aug 1; 135 (8): e263e278e263-e278.

BackgroundClinical characteristics of patients with acute myocardial infarction after gastrointestinal bleeding are poorly characterized. We sought to evaluate the incidence, management and outcomes of myocardial infarction following hospitalization for gastrointestinal bleeding.MethodsPatients admitted with a diagnosis of gastrointestinal bleeding with and without subsequent hospital readmissions for acute myocardial infarction within 90 days were identified in the 2014 U.S. Nationwide Readmission Database. Patients with myocardial infarction with and without a recent prior gastrointestinal bleed were compared to determine differences in management and in-hospital outcomes. Logistic regression models were used to estimate odds of invasive management and all-cause in-hospital mortality after covariate adjustment.ResultsA total of 644,622 patients with gastrointestinal bleeding were identified, of which 7523 (1.2%) were readmitted for myocardial infarction within 90 days. Compared to patients with myocardial infarction without recent gastrointestinal bleeding, patients with myocardial infarction within 90 days after gastrointestinal bleeding were older, more likely to be women, have kidney disease, presented with non-ST segment elevation myocarsdial infarction, and were less likely to undergo invasive management of acute myocardial infarction (28% vs 63%, P < .01). Prior gastrointestinal bleeding was associated with higher all-cause in-hospital myocardial infarction mortality (22% vs 9%, P < .01).ConclusionIn the first 3 months after hospitalization for gastrointestinal bleeding, 1 of every 83 patients was readmitted with acute myocardial infarction. Patients with myocardial infarction after gastrointestinal bleeding were less likely to undergo invasive management and coronary revascularization and had higher mortality than those without recent bleeding.Published by Elsevier Inc.

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