• Maximilian P Nerlander, Alessandro Pini, Miguel Trelles, Hanna Majanen, Omar Al-Abbasi, Mansour Maroof, Luca Ragazzoni, and Johan von Schreeb.
• Center for Research on Health Care in Disasters, Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden.
• J Emerg Med. 2021 Dec 1; 61 (6): 774-781.

BackgroundArmed conflicts constitute a significant public health problem, and the advent of asymmetric warfare tactics creates unique and new challenges to health care organizations providing trauma care in conflicts.ObjectiveThis study aimed to analyze the epidemiology of presentations to a civilian field hospital deployed close to an ongoing conflict.MethodsDuring the 2016-2017 Mosul offensive, the humanitarian organization Médecins Sans Frontières deployed a field hospital 30 km south of Mosul. This study is a retrospective analysis of routinely collected patient data of all presentations to the emergency department (ED) during its period of operation between February 23 and July 18, 2017. Data were collected in Microsoft Excel by health care workers and analyzed in JMP, version 13. Chi-square test was used to compare proportions. A p value < 0.05 was considered significant.ResultsThe analysis included 3946 presentations. Most were due to conflict-related injuries, including explosives (40.4%) and firearms (12.9%), which presented in consecutive waves over time. Approximately one-third of presentations (32.3%) were due to medical issues, which outweighed conflict-related presentations toward the latter half of the operational period. Explosives caused most of the mass casualty events. A total of 20 patients (0.5%) died in the ED.ConclusionsThe study demonstrated a cyclical burden of conflict-related injuries and extensive medical needs, which increased over time. Among conflict-related injuries, explosive etiology predominated and was likely to result in mass casualty incidents. The low mortality might be due to critical but potentially salvageable patients not reaching the hospital in time, owing to the adverse context.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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