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  • Title: Causes of Oral-Maxillofacial Injury of U.S. Military Personnel in Iraq and Afghanistan, 2001-2014.
    Author: Mitchener TA, Dickens NE, Simecek JW.
    Journal: Mil Med; 2018 Mar 01; 183(3-4):e219-e224. PubMed ID: 29514348.
    Abstract:
    BACKGROUND: Few studies have examined the causes or mechanisms of oral-maxillofacial (OMF) injury among deployed military populations. This study reports causes of OMF injuries to U.S. Department of Defense personnel deployed to Afghanistan in Operation Enduring Freedom (OEF) or to Iraq in Operation Iraqi Freedom (OIF) and Operation New Dawn (OND). This study provides follow-on analysis of a previous report of OMF injury rates among U.S. military personnel in Iraq and Afghanistan from 2001 to 2014. METHODS: The populations studied were military personnel deployed to Afghanistan in OEF or Iraq in OIF and OND, who sought care at a level III military treatment facility for one or more OMF injuries. Injuries were identified in the Department of Defense Trauma Registry using diagnosis codes associated with OMF battle and non-battle injuries. Causes associated with these injuries were identified by evaluation of the data field "dominant injury mechanism." All OMF injuries incurred from October 19, 2001, to June 30, 2014, were included. FINDINGS/RESULTS: Approximately 89% of all OMF battle injuries in both OIF/OND and OEF were due to explosives or explosive devices. The three leading causes of OMF non-battle injuries for both OIF/OND and OEF were motor vehicle crashes/accidents (MVCs), falls, and "other blunt" trauma. MVCs as well as other blunt trauma accounted for a greater percentage of OMF non-battle injuries in OIF/OND than in OEF (p < 0.01). OMF non-battle injuries due to falls were more likely to occur in OEF (p = 0.05). Helicopter/plane crashes were responsible for a significantly higher percentage of OMF non-battle injuries in OEF compared with OIF/OND (p < 0.01). DISCUSSION/IMPACT/RECOMMENDATIONS: Across both theaters of war, Iraq and Afghanistan, the main causes of OMF battle and non-battle injuries were consistent. Battle injuries were primarily due to explosives or explosive devices and the three main causes of non-battle injuries were MVCs, falls, and other blunt trauma. However, the distribution of causes differed by war theater. Future studies should focus on potential reasons for cause distribution disparities in MVCs and helicopter/plane crashes as they can only be partially explained by topography and infrastructure differences between Iraq and Afghanistan. Further surveillance is needed to understand the scope of OMF injuries in military-armed conflicts and operations.
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