Performance Improvement Evaluation of Forward Aeromedical Evacuation Platforms in Operation Enduring Freedom

The following three helicopter-based medical evacuation platforms operate in Southern Afghanistan: the US Army emergency medical technician (basic)Yled DUSTOFF, US Air Force paramedic-led PEDRO, and UK physician-led medical emergency response team (MERT). Nearly 90%of battlefield deaths occur in the...

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Hauptverfasser: Apodaca, Amy, Olson, Jr, Chris M, Bailey, Jeffrey, Butler, Frank, Eastridge, Brian J, Kuncir, Eric
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Olson, Jr, Chris M
Bailey, Jeffrey
Butler, Frank
Eastridge, Brian J
Kuncir, Eric
description The following three helicopter-based medical evacuation platforms operate in Southern Afghanistan: the US Army emergency medical technician (basic)Yled DUSTOFF, US Air Force paramedic-led PEDRO, and UK physician-led medical emergency response team (MERT). Nearly 90%of battlefield deaths occur in the prehospital phase, comparative outcomes for these en route care platforms are unknown. The objective of this investigation was to characterize the nature of injuries in patients transported by three evacuation platforms. In addition, it aimed to compare observed versus predicted mortality among these provider groups. METHODS: Aperformance improvement study involving 975 coalition patients injured in SouthernAfghanistan, transported from the point of injury to a military hospital, was performed. All patients were alive on admission with prehospital documentation recorded in the US Department of Defense Trauma Registry from June 2009 to June 2011. The main outcome measure was in-hospital mortality and observed versus predicted (Trauma and Injury Severity Score [TRISS]) survival were the primary end points. RESULTS: MERT transported more amputation and polytrauma casualties and included patients with higher mean Injury Severity Score (ISS) compared with PEDRO and DUSTOFF (16 [13] vs. 11 [10] and 10 [10] respectively; p G 0.001). DUSTOFF was excluded fromthe subgroup analysis owing to insufficient numbers of severely injured casualtieswith only one death. The overall mortality forMERTand PEDRO was similar (4.2% vs. 4.6%, p = 0.967). Stratifying by ISS, therewas lower mortality in MERT compared with PEDRO in the range of 20 to 29 (4.8% vs. 16.2%, p = 0.021). The observed mortality among PEDRO casualties was as predicted with the exception of the range of 20 to 29, while mortality in MERTwas lower than predicted for all ISS groups with greater than 10. CONCLUSION: MERT achieves greater than predicted survival, which may be related to the additional capabilities onboard. Published in Journal of Trauma and Acute Care Surgery v75 n2 Supplement 2 pS157-S163, 2013.
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Nearly 90%of battlefield deaths occur in the prehospital phase, comparative outcomes for these en route care platforms are unknown. The objective of this investigation was to characterize the nature of injuries in patients transported by three evacuation platforms. In addition, it aimed to compare observed versus predicted mortality among these provider groups. METHODS: Aperformance improvement study involving 975 coalition patients injured in SouthernAfghanistan, transported from the point of injury to a military hospital, was performed. All patients were alive on admission with prehospital documentation recorded in the US Department of Defense Trauma Registry from June 2009 to June 2011. The main outcome measure was in-hospital mortality and observed versus predicted (Trauma and Injury Severity Score [TRISS]) survival were the primary end points. RESULTS: MERT transported more amputation and polytrauma casualties and included patients with higher mean Injury Severity Score (ISS) compared with PEDRO and DUSTOFF (16 [13] vs. 11 [10] and 10 [10] respectively; p G 0.001). DUSTOFF was excluded fromthe subgroup analysis owing to insufficient numbers of severely injured casualtieswith only one death. The overall mortality forMERTand PEDRO was similar (4.2% vs. 4.6%, p = 0.967). Stratifying by ISS, therewas lower mortality in MERT compared with PEDRO in the range of 20 to 29 (4.8% vs. 16.2%, p = 0.021). The observed mortality among PEDRO casualties was as predicted with the exception of the range of 20 to 29, while mortality in MERTwas lower than predicted for all ISS groups with greater than 10. CONCLUSION: MERT achieves greater than predicted survival, which may be related to the additional capabilities onboard. 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Nearly 90%of battlefield deaths occur in the prehospital phase, comparative outcomes for these en route care platforms are unknown. The objective of this investigation was to characterize the nature of injuries in patients transported by three evacuation platforms. In addition, it aimed to compare observed versus predicted mortality among these provider groups. METHODS: Aperformance improvement study involving 975 coalition patients injured in SouthernAfghanistan, transported from the point of injury to a military hospital, was performed. All patients were alive on admission with prehospital documentation recorded in the US Department of Defense Trauma Registry from June 2009 to June 2011. The main outcome measure was in-hospital mortality and observed versus predicted (Trauma and Injury Severity Score [TRISS]) survival were the primary end points. RESULTS: MERT transported more amputation and polytrauma casualties and included patients with higher mean Injury Severity Score (ISS) compared with PEDRO and DUSTOFF (16 [13] vs. 11 [10] and 10 [10] respectively; p G 0.001). DUSTOFF was excluded fromthe subgroup analysis owing to insufficient numbers of severely injured casualtieswith only one death. The overall mortality forMERTand PEDRO was similar (4.2% vs. 4.6%, p = 0.967). Stratifying by ISS, therewas lower mortality in MERT compared with PEDRO in the range of 20 to 29 (4.8% vs. 16.2%, p = 0.021). The observed mortality among PEDRO casualties was as predicted with the exception of the range of 20 to 29, while mortality in MERTwas lower than predicted for all ISS groups with greater than 10. CONCLUSION: MERT achieves greater than predicted survival, which may be related to the additional capabilities onboard. 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Nearly 90%of battlefield deaths occur in the prehospital phase, comparative outcomes for these en route care platforms are unknown. The objective of this investigation was to characterize the nature of injuries in patients transported by three evacuation platforms. In addition, it aimed to compare observed versus predicted mortality among these provider groups. METHODS: Aperformance improvement study involving 975 coalition patients injured in SouthernAfghanistan, transported from the point of injury to a military hospital, was performed. All patients were alive on admission with prehospital documentation recorded in the US Department of Defense Trauma Registry from June 2009 to June 2011. The main outcome measure was in-hospital mortality and observed versus predicted (Trauma and Injury Severity Score [TRISS]) survival were the primary end points. RESULTS: MERT transported more amputation and polytrauma casualties and included patients with higher mean Injury Severity Score (ISS) compared with PEDRO and DUSTOFF (16 [13] vs. 11 [10] and 10 [10] respectively; p G 0.001). DUSTOFF was excluded fromthe subgroup analysis owing to insufficient numbers of severely injured casualtieswith only one death. The overall mortality forMERTand PEDRO was similar (4.2% vs. 4.6%, p = 0.967). Stratifying by ISS, therewas lower mortality in MERT compared with PEDRO in the range of 20 to 29 (4.8% vs. 16.2%, p = 0.021). The observed mortality among PEDRO casualties was as predicted with the exception of the range of 20 to 29, while mortality in MERTwas lower than predicted for all ISS groups with greater than 10. CONCLUSION: MERT achieves greater than predicted survival, which may be related to the additional capabilities onboard. Published in Journal of Trauma and Acute Care Surgery v75 n2 Supplement 2 pS157-S163, 2013.</abstract><oa>free_for_read</oa></addata></record>
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source DTIC Technical Reports
subjects AFGHANISTAN
AFGHANISTAN CONFLICT
AIR FORCE
AMPUTATION
ARMY
CASUALTIES
DEATH
ENDURING FREEDOM OPERATION
Escape, Rescue and Survival
HOSPITALS
MEDICAL EVACUATION
Medicine and Medical Research
MORTALITY RATE
PATIENTS
REPRINTS
SURVIVAL(GENERAL)
TEAMS(PERSONNEL)
TECHNICIANS
TRAUMA
WOUNDS AND INJURIES
title Performance Improvement Evaluation of Forward Aeromedical Evacuation Platforms in Operation Enduring Freedom
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