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CONCLUSIONS The tourniquet achieved effective arterial occlusion with minimal tissue damage, similar to reports of other JTQs. Subjected to further human trials, the tourniquet might be a suitable candidate for widespread frontline deployment because of its versatility, compactness, and affordable design. © Association of Military Surgeons of the United States 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.OBJECTIVES Ketamine is used as an analgesic for combat injuries. Ketamine may worsen brain injury, but new studies suggest neuroprotection. Our objective was to report the outcomes of combat casualties with traumatic brain injury (TBI) who received prehospital ketamine. METHODS This was a post hoc, sub-analysis of a larger prospective, multicenter study (the Life Saving Intervention study [LSI]) evaluating prehospital interventions performed in Afghanistan. A DoD Trauma Registry query provided disposition at discharge and outcomes to be linked with the LSI data. https://www.selleckchem.com/products/lys05.html RESULTS For this study, we enrolled casualties that were suspected to have TBI (n = 160). Most were 26-year-old males (98%) with explosion-related injuries (66%), a median injury severity score of 12, and 5% mortality. Fifty-seven percent (n = 91) received an analgesic, 29% (n = 46) ketamine, 28% (n = 45) other analgesic (OA), and 43% (n = 69) no analgesic (NA). The ketamine group had more pelvic injuries (P = 0.0302) and tourniquets (P = 0.0041) compared to OA. In comparison to NA, the ketamine group was more severely injured and more likely to require LSI procedures, yet, had similar vital signs at admission and disposition at discharge. CONCLUSIONS We found that combat casualties with suspected TBI that received prehospital ketamine had similar outcomes to those that received OAs or NAs despite injury differences. © Association of Military Surgeons of the United States 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.INTRODUCTION Scholars have described military deployments as one of the most stressful aspects of life for military couples. Deployment affects multiple roles and family members, yet little is known about the degree to which postdeployment outcomes are accounted for by predeployment functioning independent of deployment experiences. METHODS Data collection included in-person interviews with National Guard couples experiencing a deployment and a comparison group whose deployment was canceled abruptly. Using hierarchical regression, this study assessed (a) how much variance in postdeployment functioning was explained by predeployment functioning and (b) whether variance accounted for by predeployment functioning differed by domain, respondent, or deployment status. Posthoc analyses revealed which combinations of predeployment functioning accounted for the most variance in postdeployment outcomes. RESULTS We found evidence of modest continuity between predeployment and postdeployment functioning, particularly for psychological functioning and partner role functioning, and fewer differences than expected in patterns between groups. Certain demographic characteristics, risk factors, and resources accounted for significant variance in postdeployment outcomes in addition to baseline levels of role functioning. CONCLUSIONS Study findings reinforce the importance of predeployment preparation, providing families with resources to maximize resilience in response to the stress of deployment. © Association of Military Surgeons of the United States 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.BACKGROUND Infectious complications of war wounds are a significant source of mortality and morbidity. Tactical Combat Casualty Care (TCCC) guidelines recommend prehospital moxifloxacin, ertapenem, or cefotetan for "all open combat wounds." We describe the prehospital administration of antibiotics to pediatric trauma patients. METHODS We queried the Department of Defense Trauma Registry for all pediatric subjects admitted to United States and Coalition fixed-facility hospitals in Iraq and Afghanistan from January 2007 to January 2016. RESULTS During this time, there were 3,439 pediatric encounters which represented 8.0% of all admissions. Prehospital providers administered a total of 216 antibiotic doses to 210 subjects. Older children received antibiotics more frequently than younger children, were more likely to be male, located in Afghanistan, and injured by explosive with the majority surviving to hospital discharge. Cefazolin and ceftriaxone were the most frequently utilized antibiotics. CONCLUSIONS The most frequently administered antibiotics were cephalosporins. TCCC recommended agents for adult prehospital wound prophylaxis were infrequently administered to pediatric casualties. Administration rates of pediatric prehospital wound prophylaxis may be improved with pediatric-specific TCCC guidelines recommending cephalosporins as first-line agents, fielding of a TCCC-oriented Broselow tape, and training prehospital providers on administration of antimicrobials. © Association of Military Surgeons of the United States 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.INTRODUCTION The vestibular system is essential for normal postural control and balance. Because of their proximity to the cochlea, the otolith organs are vulnerable to noise. We previously showed that head jerks that evoke vestibular nerve activity were no longer capable of inducing a response after noise overstimulation. The present study adds a greater range of jerk intensities to determine if the response was abolished or required more intense stimulation (threshold shift). MATERIALS AND METHODS Vestibular short-latency evoked potential (VsEP) measurements were taken before noise exposure and compared to repeated measurements taken at specific time points for 28 days after noise exposure. Calretinin was used to identify changes in calyx-only afferents in the sacculus. RESULTS Results showed that more intense jerk stimuli could generate a VsEP, although it was severely attenuated relative to prenoise values. When the VsEP was evaluated 4 weeks after noise exposure, partial recovery was observed. CONCLUSION These data suggest that noise overstimulation, such as can occur in the military, could introduce an increased risk of imbalance that should be evaluated before returning a subject to situations that require normal agility and motion.
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