• Jong Woo Jung and Lee Jun Ho JH Department of Emergency Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea. Electronic address: ga.
• Department of Emergency Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea.
• Am J Emerg Med. 2019 May 1; 37 (5): 823-827.

BackgroundThis study was conducted to assess and clarify the predictive risk factor of neurologic outcome in patients with acute carbon monoxide (CO) poisoning.MethodsA total of 453 patients with acute CO poisoning were admitted to the emergency department of Samsung Changwon Hospital from January 2010 to June 2017. Patients with acute CO poisoning who were followed for >6 months were studied. Initial Glasgow Coma Score (GCS), serum neuron-specific enolase (NSE), and lactate were measured after emergency department arrival. Patients were divided into two groups (good vs poor neurologic outcome).ResultsA total of 432 patients (median age: 55 years, range: 17-91 years) were enrolled. There was a statistical difference between the good neurologic outcome group and the poor neurologic outcome group in terms of Exposure time, WBC, aspartate aminotransferase (AST), CK-MB, Troponin-I, creatinine kinase, NSE, lactate, CO-Hb, and GCS. NSE, lactate, and GCS were the early predictors of development of poor neurologic outcome. The areas under the curve in the ROC curve analysis for the GCS, NSE, and lactate were 0.842, 0.795, and 0.894, respectively.ConclusionInitial serum lactate level may correlate with the patient neurologic outcomes and prove to be a useful prognostic factor. Also NSE, and GCS might be a useful additional parameters that could predict the neurologic outcome on acute CO poisoned patients.Copyright © 2018. Published by Elsevier Inc.

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