• Intern Emerg Med · Sep 2022

    The impact of lesion complexity on predicting mortality of coronary artery disease patients after out-of-hospital cardiac arrest.

    • Junji Matsuda, Taishi Yonetsu, Shunichi Kato, Giichi Nitta, Yasuaki Hada, Ken Negi, Yoshinori Kanno, Toshihiko Nakao, Takayuki Niida, Yuji Matsuda, Eisuke Usui, Kensuke Hirasawa, Tomoyuki Umemoto, Hideki Morita, Osamu Inaba, Yutaka Matsumura, and Tetsuo Sasano.
    • Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan. reds.no.reds@hotmail.co.jp.
    • Intern Emerg Med. 2022 Sep 1; 17 (6): 1669-1678.

    IntroductionCoronary artery disease (CAD) is the most frequent cause of out-of-hospital cardiac arrest (OHCA). Nevertheless, there have been limited studies focusing on the impact of lesion complexity on resuscitated CAD patients. The purpose of the present study was to investigate the association between coronary lesion complexity and the mortality of CAD patients after OHCA.MethodsFrom pooled database of two centers, which comprised 706 successfully resuscitated OHCA patients, 172 patients undergoing coronary angiography were retrospectively investigated. A total of 148 patients exhibited coronary stenosis on angiogram and were included in the final analysis. Baseline characteristics, pre-and post-hospital care, general status after resuscitation and angiographical findings were compared between the patients who deceased within 30 days and those who survived and the predictors of 30-day mortality were determined.ResultsNinety-four patients (63.5%) survived at 30 days. Bystander cardiopulmonary resuscitation (CPR) (Odds ratio (OR) 0.36; 95% confidence interval (CI) 0.14-0.96; P = 0.041), revascularization of coronary stenosis (OR 0.15; 95% CI 0.19-0.86; P < 0.001), GRACE risk score (OR 1.04; 95% CI 1.02-1.05; P < 0.001) and SYNTAX score (OR 1.07; 95% CI 1.01-1.13; P = 0.025) were independent predictors of 30-day mortality. As multiple predictors such as bystander CPR, GRACE score and SYNTAX score were combined, the 30-day mortality gradually deteriorated.ConclusionsIn addition to bystander CPR, GRACE score and revascularization, SYNTAX score independently predicted 30-day mortality of CAD patients after OHCA.© 2022. The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI).

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