• Chami Im, Tak Kyu Oh, In-Ae Song, and Young-Tae Jeon.
• Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
• Ann. Surg. 2021 Dec 1; 274 (6): e515-e521.

ObjectiveThe aim of this study was to investigate the association between preadmission statin use and 90-day mortality after planned elective noncardiac surgery in adult patients.Summary Background DataStatin therapy is known to have pleiotropic effects, which improve the outcomes of various diseases. However, the effect of perioperative statin therapy on postoperative mortality remains controversial.MethodsThis retrospective cohort study analyzed the medical records of adult patients who were admitted to a single tertiary academic hospital for elective noncardiac surgery between January 2012 and December 2018. The primary endpoint was 90-day mortality, which was defined as any mortality within 90 days after surgery. The secondary endpoint was overall survival.ResultsAfter propensity score matching, a total of 33,514 patients (16,757 patients in each group) were included in the analysis. The logistic regression analysis of the propensity score-matched cohort indicated that the odds ratio (OR) of 90-day mortality in the statin group was 26% lower than that of the nonstatin group [OR: 0.74; 95% confidence interval (CI): 0.59 to 0.92; P = 0.009]. The sensitivity analysis indicated that the high-dose intensity statin group had a 61% lower 90-day mortality rate than the nonstatin group (OR: 0.39; 95% CI: 0.18-0.84; P = 0.016). The overall survival time was significantly longer in the statin group than in the nonstatin group after propensity score matching (P < 0.001 by log-rank test).ConclusionsPreoperative statin use was associated with lower 90-day mortality and longer overall survival for adult patients who underwent elective noncardiac surgery. This association was more evident for high-intensity statin users.Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.

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