Neurologic outcome of comatose survivors after hanging: a retrospective multicenter study
- Authors
- Kim, Min Joung; Yoon, Yoo Sang; Park, Joon Min; Cho, Junho; Lim, Hoon; Kang, Hyunggoo; Kim, Hyun Jin; Kim, Seung Whan; Lee, Kyeong Ryong; Kim, Gun Bea; Park, Jung Soo; Lee, Hye Sun; Chung, Sung Phil
- Issue Date
- Aug-2016
- Publisher
- W B SAUNDERS CO-ELSEVIER INC
- Citation
- AMERICAN JOURNAL OF EMERGENCY MEDICINE, v.34, no.8, pp.1467 - 1472
- Indexed
- SCIE
SCOPUS
- Journal Title
- AMERICAN JOURNAL OF EMERGENCY MEDICINE
- Volume
- 34
- Number
- 8
- Start Page
- 1467
- End Page
- 1472
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/154173
- DOI
- 10.1016/j.ajem.2016.04.036
- ISSN
- 0735-6757
- Abstract
- Purpose: The aim of this study is to identify the neurologic outcome of hanging patients and prognostic factors.
Materials and methods: We 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.
Results: A 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.
Conclusions: Even 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%.
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