• Toru Hifumi, Yutaka Kondo, Junya Shimazaki, Yasutaka Oda, Shinichiro Shiraishi, Masahiro Wakasugi, Jun Kanda, Takashi Moriya, Masaharu Yagi, Masaji Ono, Takashi Kawahara, Michihiko Tonouchi, Hiroyuki Yokota, Yasufumi Miyake, and Keiki Shimizu.
• Emergency Medical Center, Kagawa University Hospital, 1750-1 Ikenobe, Miki, Kita, Kagawa 761-0793, Japan. Electronic address: hifumitoru@gmail.com.
• J Crit Care. 2018 Apr 1; 44: 306-311.

PurposeHeat stroke (HS) induces disseminated intravascular coagulation (DIC); however, the prognostic significance of DIC in patients with HS has not yet been fully assessed in large populations. The aim of this study was to examine the prognostic significance of DIC in patients with HS using a nationwide registry.Materials And MethodsData regarding HS were obtained and analyzed from three prospective, observational, multicenter HS registries (HSRs): 2010, 2012, and 2014. Univariate and multivariate analyses were performed to identify independent predictors of hospital death. DIC was diagnosed according to the Japanese Association for Acute Medicine (JAAM) diagnostic criteria, with a total score≥4 implying a DIC diagnosis.ResultsIn total, 705 (median age, 68years; 501 men) were included in this study. Hospital mortality was 7.1% (50 patients). Multiple regression analysis revealed that hospital mortality was significantly associated with presence of DIC (odds ratio [OR], 2.16; 95% confidence interval [CI], 1.09-4.27; p=0.028). Mortality worsened as the DIC score increased, and increased remarkably to approximately 10% when the DIC score was 2.ConclusionsPresence of DIC was an independent prognostic factor of hospital mortality in patients with HS. Hematological dysfunction represents potential target for specific therapies in HS.Copyright © 2017 Elsevier Inc. All rights reserved.

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