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Background: Patients with rib fractures are at high risk for morbidity and mortality. This study prospectively examines bedside percent predicted forced vital capacity (% pFVC) in predicting complications for patients suffering multiple rib fractures. The authors hypothesize that increased % pFVC is associated with reduced pulmonary complications., Methods: Adult patients with =3 rib fractures admitted to a level I trauma center, without cervical spinal cord injury or severe traumatic brain injury, were consecutively enrolled. FVC was measured at admission and % pFVC values were calculated for each patient. Patient were grouped by % pFVC <30% (low), 30-49% (moderate), and =50% (high)., Results: A total of 79 patients were enrolled. Percent pFVC groups were similar except for pneumothorax being most frequent in the low group (47.8% vs. 13.9% and 20.0%, p = .028). Pulmonary complications were infrequent and did not differ between groups (8.7% vs. 5.6% vs. 0%, p = .198)., Discussion: Increased % pFVC was associated with reduced hospital and intensive care unit (ICU) length of stay (LOS) and increased time to discharge to home. Percent pFVC should be used in addition to other factors to risk stratify patients with multiple rib fractures. Bedside spirometry is a simple tool that can help guide management in resource-limited settings, especially in large-scale combat operations., Conclusion: This study prospectively demonstrates that % pFVC at admission represents an objective physiologic assessment that can be used to identify patients likely to require an increased level of hospital care., (2023.)

Military medicine has made significant advancements in decreasing mortality by addressing the lethal triad - metabolic acidosis, coagulopathy, and hypothermia. However, casualties are still succumbing to injury. Recent conflict zones have led to the development of remarkable life-saving innovations, including the management of compressible hemorrhage and whole blood transfusions. Nevertheless, hypothermia prevention and treatment techniques remain relatively unchanged. Hypothermia prevention is anticipated to become more critical in future operations due to a predicted increase in evacuation times and reliance on Prolonged Casualty Care (PCC). This is likely secondary to increasingly distanced battlespaces and the mobility challenges of operating in semi-/non-permissive environments. Innovation is essential to combat this threat via active airway rewarming in the vulnerable patient. Thus, we propose the development, fabrication, and efficacy testing of a device in which we estimate being able to control temperature and humidity at physiologic levels in the PCC setting and beyond., (2022.)

Background: The purpose of our study was to assess risks/ outcomes of acute respiratory distress syndrome (ARDS) in US combat casualties. We hypothesized that combat trauma patients with ARDS would have worse outcomes based on mechanism of injury (MOI) and labs/vital signs aberrancies., Materials and Methods: We reviewed data on military Servicemembers serving in Iraq and Afghanistan from 1 January 2003 to 31 December 2015 diagnosed with ARDS by ICD-9 code. We extracted patient demographics, injury specifics, and mortality from the Department of Defense Trauma Registry (DoDTR)., Results: The most common MOI was an explosion, accounting for 67.6% of all injuries. Nonsurvivors were more likely to have explosion-related injuries, have higher injury severity score (ISS), higher international normalized ratio (INR), lower platelet count, greater base deficit, lower temperature, lower Glasgow Coma Scale (GCS) score, and lower pH. There was no significant difference in deaths across time., Conclusion: By identifying characteristics of patients with higher mortality in trauma ARDS, we can develop treatment guidelines to improve outcomes. Given the high mortality associated with trauma ARDS and relative paucity of clinical data available, we need to improve battlefield data capture to better guide practice and ultimately improve care. The management of ARDS will be increasingly relevant in prolonged casualty care (PCC; formerly prolonged field care) on the modern battlefield., (2022.)