IMPORTANCE Although the Afghanistan and Iraq conflicts have the lowest US case-fatality rates in history, no comprehensive assessment of combat casualty care statistics, major interventions, or risk factors has been reported to date after 16 years of conflict. OBJECTIVES To analyze trends in overall combat casualty statistics, to assess aggregate measures of injury and interventions, and to simulate how mortality rates would have changed had the interventions not occurred. DESIGN, SETTING, AND PARTICIPANTS Retrospective analysis of all available aggregate and weighted individual administrative data compiled from Department of Defense databases on all 56 763 US military casualties injured in battle in Afghanistan and Iraq from October 1, 2001, through December 31, 2017. Casualty outcomes were compared with period-specific ratios of the use of tourniquets, blood transfusions, and transport to a surgical facility within 60 minutes. MAIN OUTCOMES AND MEASURES Main outcomes were casualty status (alive, killed in action [KIA], or died of wounds [DOW]) and the case-fatality rate (CFR). Regression, simulation, and decomposition analyses were used to assess associations between covariates, interventions, and individual casualty status; estimate casualty transitions (KIA to DOW, KIA to alive, and DOW to alive); and estimate the contribution of interventions to changes in CFR. RESULTS In aggregate data for 56 763 casualties, CFR decreased in Afghanistan (20.0% to 8.6%) and Iraq (20.4% to 10.1%) from early stages to later stages of the conflicts. Survival for critically injured casualties (Injury Severity Score, 25-75 [critical]) increased from 2.2% to 39.9% in Afghanistan and from 8.9% to 32.9% in Iraq. Simulations using data from 23 699 individual casualties showed that without interventions assessed, CFR would likely have been higher in Afghanistan (15.6% estimated vs 8.6% observed) and Iraq (16.3% estimated vs 10.1% observed), equating to 3672 additional deaths (95% CI, 3209-4244 deaths), of which 1623 (44.2%) were associated with the interventions studied: 474 deaths (12.9%) (95% CI, 439-510) associated with the use of tourniquets, 873 (23.8%) (95% CI, 840-910) with blood transfusion, and 275 (7.5%) (95% CI, 259-292) with prehospital transport times.CONCLUSIONS AND RELEVANCE Our analysis suggests that increased use of tourniquets, blood transfusions, and more rapid prehospital transport were associated with 44.2% of total mortality reduction. More critically injured casualties reached surgical care, with increased survival, implying improvements in prehospital and hospital care.
Introduction Tactical Combat Casualty Care (TCCC) is the execution of prehospital trauma skills in the combat environment. TCCC was recognized by the 2018 Department of Defense Instruction on Medical Readiness Training as a critical wartime task. This study examines the training, understanding, and utilization of TCCC principles and guidelines among US Army medical providers and examines provider confidence of medics in performing TCCC skills. Materials and Methods A cross-sectional survey, developed by members of the Committee on TCCC, was distributed to all US Army Physicians and Physician Assistants via anonymous electronic communication. Results A total of 613 completed surveys were included in the analyses. Logistic regression analyses were conducted on: TCCC test score of 80% or higher, confidence with medic utilization of TCCC, and medic utilization of ketamine in accordance with TCCC. Conclusions <60% of respondents expressed confidence in the ability of the medics to perform all TCCC skills. Supervising providers who that believed 80 to 100% of their medics had completed TCCC training had more confidence in their medic’s TCCC abilities. With TCCC, a recognized lifesaver on the battlefield, continued training and utilization of TCCC concepts are paramount for deploying personnel.
BACKGROUND Studies of fatalities from injury and disease guide prevention and treatment efforts for populations at risk. Findings can inform leadership and direct clinical practice guidelines, research, and personnel, training, and equipment requirements. METHODS A retrospective review and descriptive analysis was conducted of United States Special Operations Command (USSOCOM) fatalities who died while performing duties from September 11, 2001, to September 10, 2018. Characteristics analyzed included subcommand, military activity, operational posture, and manner of death. RESULTS Of 614 USSOCOM fatalities (median age, 30 years; male, 98.5%) the leading cause of death was injury (97.7%); specifically, multiple/blunt force injury (34.5%), blast injury (30.7%), gunshot wound (GSW; 30.3%), and other (4.5%). Most died outside the United States (87.1%), during combat operations (85.3%), in the prehospital environment (91.5%), and the same day of insult (90.4%). Most fatalities were with the US Army Special Operations Command (67.6%), followed by the Naval Special Warfare Command (16.0%), Air Force Special Operations Command (9.3%), and Marine Corps Forces Special Operations Command (7.2%). Of 54.6% who died of injuries incurred during mounted operations, most were on ground vehicles (53.7%), followed by rotary-wing (37.3%) and fixed-wing (9.0%) aircrafts. The manner of death was primarily homicide (66.0%) and accident (30.5%), followed by natural (2.1%), suicide (0.8%), and undetermined (0.7%). Specific homicide causes of death were GSW (43.7%), blast injury (42.2%), multiple/blunt force injury (13.8%), and other (0.2%). Specific accident causes of death were multiple/blunt force injury (80.7%), blast injury (6.4%), GSW (0.5%), and other (12.3%). Of accident fatalities with multiple/blunt force injury, the mechanism was mostly aircraft mishaps (62.9%), particularly rotary wing (68.4%). CONCLUSION Most USSOCOM fatalities died abroad from injury in the prehospital setting. To improve survival from military activities worldwide, leaders must continue to optimize prehospital capability and develop strategies that rapidly connect patients to advanced resuscitative and surgical care. LEVEL OF EVIDENCE Epidemiological, level IV; Therapeutic level IV.
BACKGROUND Thoracic surgery constitutes 2.5% of surgical procedures performed in theater, but the skills required are increasingly foreign to military surgeons. This study examines thoracic surgical workload in Iraq and Afghanistan to help define surgical training gaps. METHODS Retrospective analysis of Department of Defense Trauma Registry for all role 2 (R2) (forward surgical) and role 3 (R3) (theater) military facilities, from January 2002 to May 2016. The 95 thoracic surgical International Classification of Diseases—9th Rev.—Clinical Modification procedure codes were grouped into 10 categories based on anatomy or endoscopy. Select groups were further stratified by type of definitive procedure. Procedure groupings were determined and adjudicated by surgeon subject matter experts. Data analysis used Stata Version 15 (College Station, TX). RESULTS Of the total procedures, 5,301 were classified as thoracic surgical procedures and were included in the present study. The majority of thoracic surgical procedures (4,645 [87.6%]) were recorded as being performed at R3 medical treatment facilities (MTFs). The thoracic surgical procedures groups with the largest proportions were: bronchoscopy (39.1%), thoracotomy (16.9%), diaphragm (15.6%), and lung (11.4%). The most common lung procedure subgroup, aside from not otherwise specified, was segmentectomy (28.8%). The R3 MTFs recorded nearly five times the number of lung procedures compared with R2 MTFs; with R3 MTFs recording more than eight times the number of lobectomies compared with R2 MTFs. Thoracic workload was variable over the 15-year study period. CONCLUSION Thoracic surgical skills are necessary in the deployed environment to manage combat-related injuries. Given the current trends in training and specialization, development and sustainment of thoracic surgical skills is challenging in the deployed US trauma system and likely for other nations, and humanitarian surgical care as well. Current training and practice paradigms pose both training and sustainment challenges for surgeons who deploy to a combat zone. LEVEL OF EVIDENCE Therapeutic/Care Management IV.
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