• Journal of anesthesia · Aug 2023

    Effectiveness of intraoperative nicorandil in patients with a history of ischemic heart disease undergoing high-risk noncardiac surgery: a retrospective cohort study.

    • Kentaro Miyake, Satomi Yoshida, Tomotsugu Seki, Woo Jin Joo, Masato Takeuchi, and Koji Kawakami.
    • Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto, 606-8501, Japan.
    • J Anesth. 2023 Aug 1; 37 (4): 562572562-572.

    PurposeNicorandil is occasionally administered to prevent myocardial ischemia during the perioperative period in patients with ischemic heart disease (IHD); however, its effectiveness has not been clarified. In this study, we examined the effectiveness of intraoperative nicorandil administration in noncardiac surgery.MethodsWe identified patients with a history of IHD who had undergone high-risk noncardiac surgery between April 2015 and March 2020 from a nationwide in-patient database in Japan. The patients were divided into those who received nicorandil (nicorandil group) and those who did not (control group). The primary outcome was the 30-day in-hospital mortality. The secondary outcome was major adverse cardiovascular events (MACE), defined as the composite outcome of the 30-day in-hospital mortality, acute myocardial infarction, percutaneous coronary intervention, and coronary artery bypass grafting. One-to-one propensity score matching was performed. The outcomes were analyzed using a Cox proportional hazards model.ResultsOf 8037 patients, 2886 received nicorandil during surgery. After propensity score matching, 2554 pairs were analyzed. There was no significant difference in the 30-day in-hospital mortality (26 [1.02%] vs. 36 [1.41%]; hazard ratio [HR] 1.36; 95% confidence interval [CI] 0.82-2.26; P = 0.229) or incidence of MACE (42 [1.64%] vs. 55 [2.15%]; HR 1.24; 95% CI 0.86-1.93; P = 0.216) between the control and nicorandil groups.ConclusionThe findings of this study suggest that intraoperative nicorandil administration is not associated with the 30-day in-hospital mortality in high-risk noncardiac surgery.© 2023. The Author(s) under exclusive licence to Japanese Society of Anesthesiologists.

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