• Am J Emerg Med · Dec 2016

    Multicenter Study

    Incidence and clinical features of intracranial hemorrhage causing out-of-hospital cardiac arrest: a multicenter retrospective study.

    • Jonghwan Shin, Kyuseok Kim, Yong Su Lim, Hui Jai Lee, Se Jong Lee, Euigi Jung, Joonghee Kim, Hyuk Jun Yang, Jin Joo Kim, and Seong Youn Hwang.
    • Department of Emergency Medicine, Seoul National University Boramae Medical Center, 20, Boramae-ro 5-gil, Dongjak-gu, Seoul, Republic of Korea.
    • Am J Emerg Med. 2016 Dec 1; 34 (12): 2326-2330.

    ObjectiveThe general incidence of intracranial hemorrhage (ICH) as a cause of out-of-hospital cardiac arrest (OHCA) remains unclear, although the incidence of subarachnoid hemorrhage has been determined to be 4% to 18%. The main objectives of our study were to describe the incidence of ICH in OHCA and the different laboratory findings between ICH and non-ICH groups.MethodsA retrospective cohort study using the prospective OHCA registry was conducted at three university hospitals in Korea. All cases of OHCA that occurred over a period of 6 years, from January 2009 to December 2014, were examined. Pre-hospital and in-hospital variables and laboratory data taken during CPR were examined in order to compare the ICH and non-ICH groups.ResultsA total of 2716 patients with OHCA were registered in the database. Among the 804 patients included in the final analysis, ICH was the cause of cardiac arrest in 92 patients (11.4%). Of those with ICH, 79 (86%) patients also had subarachnoid hemorrhage. No patient had a good neurological outcome in the ICH group. There were statistically significant differences in gender, age, pre-hospital return of spontaneous circulation, survival to hospital discharge, good neurologic outcomes, serum sodium, potassium, glucose, Pco2, and Po2 during CPR between the ICH and non-ICH groups. In multivariate analysis, gender, age, potassium, glucose and Po2 levels differed significantly between the two groups.ConclusionsOHCA patients with confirmed ICH were identified in about 11% of cases after return of spontaneous circulation. Gender, age, higher glucose, and lower potassium and Po2 levels during CPR were associated with ICH.Copyright © 2016 Elsevier Inc. All rights reserved.

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