• Yeunjung Kim, Justin M Pacor, Albert Do, Joseph Brennan, David A Fiellin, and E Jennifer Edelman.
• Division of Cardiovascular Medicine, Department of Medicine, Yale School of Medicine, New Haven, CT, USA.
• J Gen Intern Med. 2023 Feb 1; 38 (3): 563570563-570.

BackgroundAcute coronary syndrome (ACS) and opioid use are both major causes of morbidity and mortality globally. Although epidemiological studies point to increased risk of ACS in opioid users, in-hospital management and outcomes are unknown for this population when presenting with ACS. We sought to determine whether there are differences for in-hospital outcomes and management of ACS for those with and without opioid-related diagnoses (ORD).Methods And ResultsFrom the National Inpatient Sample database, we extracted patients hospitalized between 2012 and 2016 for ACS. The primary independent variable was ORD by International Classification of Diseases, 9th and 10th Revision, codes. The primary outcome was in-hospital mortality; secondary outcomes were cardiac arrest, receipt of angiogram, and percutaneous coronary intervention (PCI). Statistical comparisons were performed using χ2 test and Student's t test. Multivariable logistic regression was performed to determine the independent association between ORD and outcomes of interest. Among the estimated 5.8 million admissions for ACS, the proportion of patients with ORD increased over the study period (p for trend < 0.01). Compared to patients without ORD presenting with ACS, patients with ORD were younger with fewer cardiovascular risk factors. Yet, in-hospital mortality was higher in patients with ORD presenting with ACS (AOR 1.36, 95% CI 1.26-1.48). Patients with ORD were more likely to experience in-hospital cardiac arrest (AOR 1.42, 95% CI 1.23-1.63) and less likely to undergo angiogram (AOR 0.42, 95% CI 0.38-0.45) or PCI (AOR 0.30, 95% CI 0.28-0.32).ConclusionDespite evidence of increased risk of mortality and cardiac arrest, patients with ORD admitted for ACS are less likely to receive ACS management.© 2022. The Author(s), under exclusive licence to Society of General Internal Medicine.

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