Document Detail


Comparison of active cooling devices with passive cooling for rehabilitation of firefighters performing exercise in thermal protective clothing: a report from the Fireground Rehab Evaluation (FIRE) trial.
MedLine Citation:
PMID:  20397868     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Thermal protective clothing (TPC) worn by firefighters provides considerable protection from the external environment during structural fire suppression. However, TPC is associated with physiologic derangements that may have adverse cardiovascular consequences. These derangements should be treated during on-scene rehabilitation periods.
OBJECTIVE: To examine heart rate and core temperature responses during the application of four active cooling devices, currently being marketed to the fire service for on-scene rehabilitation, and compare them with passive cooling in a moderate temperature (approximately 24 degrees C) and with an infusion of cold (4 degrees C) saline.
METHODS: Subjects exercised while they were wearing TPC in a heated room. Following an initial exercise period (bout 1), the subjects exited the room, removed the TPC, and for 20 minutes cooled passively at room temperature, received an infusion of cold normal saline, or were cooled by one of four devices (fan, forearm immersion in water, hand cooling, or water-perfused cooling vest). After cooling, the subjects donned the TPC and entered the heated room for another 50-minute exercise period (bout 2).
RESULTS: The subjects were not able to fully recover core temperature during a 20-minute rehabilitation period when provided rehydration and the opportunity to completely remove the TPC. Exercise durations were shorter during bout 2 when compared with bout 1 but did not differ by cooling intervention. The overall magnitudes and rates of cooling and heart rate recovery did not differ by intervention.
CONCLUSIONS: No clear advantage was identified when active cooling devices and cold intravenous saline were compared with passive cooling in a moderate temperature after treadmill exercise in TPC.
Authors:
David Hostler; Steven E Reis; James C Bednez; Sarah Kerin; Joe Suyama
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors     Volume:  14     ISSN:  1545-0066     ISO Abbreviation:  Prehosp Emerg Care     Publication Date:    2010 Jul-Sep
Date Detail:
Created Date:  2010-05-28     Completed Date:  2010-09-13     Revised Date:  2012-10-09    
Medline Journal Info:
Nlm Unique ID:  9703530     Medline TA:  Prehosp Emerg Care     Country:  England    
Other Details:
Languages:  eng     Pagination:  300-9     Citation Subset:  IM    
Affiliation:
Department of Emergency Medicine, Emergency Responder Human Performance Laboratory, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA. hostlerdp@upmc.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Body Temperature / physiology*
Cryotherapy / instrumentation*
Employment
Exercise / physiology*
Female
Fires*
Heat Exhaustion / physiopathology,  rehabilitation*
Humans
Male
Protective Clothing / adverse effects*
Task Performance and Analysis
Young Adult
Grant Support
ID/Acronym/Agency:
UL1 RR024153/RR/NCRR NIH HHS; UL1 RR024153/RR/NCRR NIH HHS; UL1 RR024153-04/RR/NCRR NIH HHS
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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