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- W4313235980 abstract "Introduction: During military aeromedical evacuation (AE) and prolonged field care (PFC), critically injured casualties, including those transported in a vacuum spine board (VSB) are at increased pressure injury (PI) risk. Research is limited on operational PI mitigation strategies, with studies focusing only on interface pressure. This stratified RCT used multiple risk factors to examine Mepilex/LiquiCell effects on PI risk under simulated AE/PFC. Methods: Healthy adults stratified by body fat %; randomized to six treatment groups on three surfaces. Set A: Warrior Evacuation Litter Pad (WELP) with/without Mepilex; Set B: Vacuum Spine Board (VSB) with/without Mepilex; Set C: Talon litter with/without LiquiCell. Two hours supine. Outcomes reflect multiple PI risk factors: Sacral skin TcPO2 (perfusion), temperature, moisture, interface pressure, IL1α/Total Protein (skin injury). Within set analysis for main effects of Mepilex/LiquiCell. Secondary analysis of support surface. Results: 54 subjects; study stopped due to pandemic. Post hoc power analysis indicates no change to results if recruitment completed. Sets A/B: No Mepilex main effects on interface pressure, perfusion or moisture. Skin temperature increased 2.5°C. Set C: No LiquiCell main effects on interface pressure or perfusion. Significant ΔTcPO2 (unloaded-loaded) with 100% subjects with impaired perfusion. Skin temperature increased 1.2°C. Between surface analysis found significantly higher interface pressure on Talon and ischemic load compared to other surfaces. Temperature increase on the WELP/VSB were significantly greater than the Talon. The VSB had greatest sacral moisture increase in contrast to small increases on the Talon. Conclusions: Study concurrently evaluated multiple factors to examine the PI risk factors and mitigation strategies. Talon litter, which is currently in use, poses an increased PI risk due to increased pressure/impaired perfusion offset by smaller temperature and moisture changes. The WELP/VSB had lower interface pressure and adequate perfusion, but increased PI risk from temperature/moisture changes. Results can be applied to existing mathematical PI risk models from civilian healthcare, may inform future modeling and research that integrates traditional and operationally relevant risk factors." @default.
- W4313235980 created "2023-01-06" @default.
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- W4313235980 date "2022-12-15" @default.
- W4313235980 modified "2023-09-26" @default.
- W4313235980 title "1298: PREVENTION OF PRESSURE INJURIES DURING MILITARY AEROMEDICAL EVACUATION OR PROLONGED FIELD CARE: RCT" @default.
- W4313235980 doi "https://doi.org/10.1097/01.ccm.0000910928.61323.1d" @default.
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