• Min Joung Kim, Yoo Sang Yoon, Joon Min Park, Junho Cho, Hoon Lim, Hyunggoo Kang, Hyun Jin Kim, Seung Whan Kim, Kyeong Ryong Lee, Gun Bea Kim, Jung Soo Park, Hye Sun Lee, and Sung Phil Chung.
• Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea.
• Am J Emerg Med. 2016 Aug 1; 34 (8): 1467-72.

PurposeThe aim of this study is to identify the neurologic outcome of hanging patients and prognostic factors.Materials And MethodsWe retrospectively investigated comatose hanging patients who arrived at the emergency departments (EDs) of twelve academic tertiary care centers during a period of seven years (2006-2012). Patients were analyzed separately according to whether out-of-hospital cardiac arrest (OHCA) occurred or not. The neurologic outcome was evaluated using the Cerebral Performance Category (CPC) at the time of hospital discharge.ResultsA total of 1118 patients were admitted to the ED after hanging attempts. There were 159 comatose patients who did not experience OHCA. Twelve (7.5%) of 159 patients were discharged from the hospital with a poor neurologic outcome (CPC 3-5). These 12 patients received only conservative management without therapeutic hypothermia. On multivariate logistic regression analysis, mental state upon ED arrival and arterial pH were predicting factors for poor prognosis. One hundred twenty-one patients suffered OHCA and experienced restored spontaneous circulation after cardiopulmonary resuscitation. Among them, only five (4.1%) patients recovered consciousness to the level of CPC 1-2. The initial arterial pH and HCO3(-) were prognostic factors in hanging patients with OHCA.ConclusionsEven though cardiac arrest did not occur after hanging injuries, 7.5% of patients could not recover consciousness. Therapeutic hypothermia should be considered for such patients. If OHCA occurred after the hanging injury, the proportion of patients with good neurologic outcome was very low at 4.1%.Copyright © 2016 Elsevier Inc. All rights reserved.

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