The Impact of Occupational Tasks on Firefighter Hydration During a Live Structural Fire

Adam Walker, Rodney R Pope, Ben Schram, Richard J Gorey, Rob Marc Orr

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Abstract

Structural firefighting is a highly stressful occupation with firefighters performing intense bouts of physical activity in environmental extremes while wearing impermeable, heavy and restrictive personal protective equipment. The aim of this study was to investigate the impact of performing occupational tasks during an active structural fire on firefighters’ hydration status. Nine fully qualified firefighters (mean ± SD age = 39.22 ± 7.89 years) completed a 15 min ‘live’ fire scenario while performing occupational tasks. Urine Specific Gravity (USG), body weight and tympanic membrane temperature were measured pre-scenario and at 0 and 20 min post-scenario. There was a significant decrease in body weight (0 min and 20 min p < 0.0005) and increase in tympanic membrane temperature (0 min and 20 min p < 0.0005) following the fire scenario. There was no significant change in USG post-scenario. Short duration firefighting operations can cause significant fluid loss, as measured by change in body weight but not necessarily USG.
Original languageEnglish
Article number36
Number of pages9
JournalSafety
Volume5
Issue number2
DOIs
Publication statusPublished - 7 Jun 2019

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Firefighters
Specific Gravity
Tympanic Membrane
Urine
Body Weight
Body Weight Changes
Temperature
Occupations
Exercise

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title = "The Impact of Occupational Tasks on Firefighter Hydration During a Live Structural Fire",
abstract = "Structural firefighting is a highly stressful occupation with firefighters performing intense bouts of physical activity in environmental extremes while wearing impermeable, heavy and restrictive personal protective equipment. The aim of this study was to investigate the impact of performing occupational tasks during an active structural fire on firefighters’ hydration status. Nine fully qualified firefighters (mean ± SD age = 39.22 ± 7.89 years) completed a 15 min ‘live’ fire scenario while performing occupational tasks. Urine Specific Gravity (USG), body weight and tympanic membrane temperature were measured pre-scenario and at 0 and 20 min post-scenario. There was a significant decrease in body weight (0 min and 20 min p < 0.0005) and increase in tympanic membrane temperature (0 min and 20 min p < 0.0005) following the fire scenario. There was no significant change in USG post-scenario. Short duration firefighting operations can cause significant fluid loss, as measured by change in body weight but not necessarily USG.",
author = "Adam Walker and Pope, {Rodney R} and Ben Schram and Gorey, {Richard J} and Orr, {Rob Marc}",
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The Impact of Occupational Tasks on Firefighter Hydration During a Live Structural Fire. / Walker, Adam; Pope, Rodney R; Schram, Ben; Gorey, Richard J; Orr, Rob Marc.

In: Safety, Vol. 5, No. 2, 36, 07.06.2019.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - The Impact of Occupational Tasks on Firefighter Hydration During a Live Structural Fire

AU - Walker, Adam

AU - Pope, Rodney R

AU - Schram, Ben

AU - Gorey, Richard J

AU - Orr, Rob Marc

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AB - Structural firefighting is a highly stressful occupation with firefighters performing intense bouts of physical activity in environmental extremes while wearing impermeable, heavy and restrictive personal protective equipment. The aim of this study was to investigate the impact of performing occupational tasks during an active structural fire on firefighters’ hydration status. Nine fully qualified firefighters (mean ± SD age = 39.22 ± 7.89 years) completed a 15 min ‘live’ fire scenario while performing occupational tasks. Urine Specific Gravity (USG), body weight and tympanic membrane temperature were measured pre-scenario and at 0 and 20 min post-scenario. There was a significant decrease in body weight (0 min and 20 min p < 0.0005) and increase in tympanic membrane temperature (0 min and 20 min p < 0.0005) following the fire scenario. There was no significant change in USG post-scenario. Short duration firefighting operations can cause significant fluid loss, as measured by change in body weight but not necessarily USG.

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