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  • Title: Etiologies, trends, and predictors of readmission in ST-elevation myocardial infarction patients undergoing multivessel percutaneous coronary intervention.
    Author: Tripathi B, Yeh RW, Bavishi CP, Sardar P, Atti V, Mukherjee D, Bashir R, Abbott JD, Giri J, Chatterjee S.
    Journal: Catheter Cardiovasc Interv; 2019 Dec 01; 94(7):905-914. PubMed ID: 31165573.
    Abstract:
    BACKGROUND: Recent trials have shown benefits with percutaneous coronary intervention (PCI) on nonculprit coronary vessels in select ST-elevation myocardial infarction (STEMI) patients with multivessel coronary artery disease (CAD). However, readmission rates and causes in this high-risk group are unknown. Objective of this study is to explore pattern, causes and factors associated with 30-day readmission after multivessel PCI in STEMI patients. METHODS AND RESULTS: Nationwide Readmissions Data (NRD) between 2010 and 2014 was utilized to identify multivessel PCI cases in STEMI patients using appropriate ICD-9 codes. We evaluated 30-day readmission rate and factors associated with 30-day readmission. Hierarchical logistic regression model was used to identify factors associated with 30-day readmission. Among 22,257 STEMI patients who survived to discharge after multivessel PCI, 2,302 (10.3%) were readmitted within 30-days. Subsequent unresolved/aggravated cardiac issues most commonly triggered readmission (62.66%). Among cardiac causes, heart failure and ischemic heart disease were most frequent etiologies. Advancing age (OR: 1.073, 95%CI: 1.026 to 1.122, p = .002), female sex (OR: 1.36, 95%CI: 1.23 to 1.50, p < .001), comorbid conditions like chronic kidney disease (CKD; OR: 1.35, 95%CI: 1.17 to 1.57, p = .001), congestive heart failure (CHF; OR: 1.40, 95%CI: 1.24 to 1.57, p = .04), anemia (OR: 1.16, 95%CI: 1.002 to 1.34, p = .04), and utilization of a mechanical circulatory support (MCS) device (OR: 1.45, 95%CI: 1.19 to 1.77, p < .001) during the index procedure were predictive of subsequent readmission within 30 days. CONCLUSION: In this large nationally representative study, nearly one in 10 patients were readmitted within 30 days from discharge after index admission for multivessel PCI in STEMI, most commonly for cardiac causes.
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