Association of High Mortality with Postoperative Myocardial Infarction after Major Vascular Surgery Despite Use of Evidence-Based Therapies

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Abstract

Importance: Patients undergoing vascular surgery are at high risk of postoperative myocardial infarction (POMI). Postoperative myocardial infarction is independently associated with significant risk of in-hospital mortality. Objective: To examine the association of patient and procedural characteristics with the risk of POMI after vascular surgery and determine the association of evidence-based therapies with longer-term outcomes. Design, Setting, and Participants: A retrospective cohort study of prospectively collected data within a statewide quality improvement collaborative database between January 2012 and December 2017. Patient demographics, comorbid conditions, and perioperative medications were captured. Patients were grouped according to occurrence of POMI. Univariate analysis and logistic regression were used to identify factors associated with POMI. The collaborative collects data from private and academic hospitals in Michigan. Patients undergoing major vascular surgery, defined as endovascular aortic aneurysm repair, open abdominal aortic aneurysm, peripheral bypass, carotid endarterectomy, or carotid artery stenting were included. Analysis began December 2018. Main Outcomes and Measures: The presence of a POMI and 1-year mortality. Results: Of 26231 patients identified, 16989 (65.8%) were men and the overall mean (SD) age was 69.35 (9.89) years. A total of 410 individuals (1.6%) experienced a POMI. Factors associated with higher rates of POMI were age (odds ratio [OR], 1.032 [95% CI, 1.019-1.045]; P

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Beaulieu, R. J., Sutzko, D. C., Albright, J., Jeruzal, E., Osborne, N. H., & Henke, P. K. (2020). Association of High Mortality with Postoperative Myocardial Infarction after Major Vascular Surgery Despite Use of Evidence-Based Therapies. In JAMA Surgery (Vol. 155, pp. 131–137). American Medical Association. https://doi.org/10.1001/jamasurg.2019.4908

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