Physiological and Psychological Effects of Working in COLPRO Compared to IPE in Command Post Personnel

Effets Physiologiques et Psychologiques de la Protection Collective (COLPRO) par Rapport à la Protection Individuelle (EPI) sur les Titulaires d’un Poste de Commandement

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Authors
  1. Ducharme, M.B.
  2. Bell, D.G.
  3. Drolet, E.
  4. Boyne, S.
Corporate Authors
Defence R&D Canada - Toronto, Toronto ONT (CAN)
Abstract
The purpose of this study was to examine the physiological and psychological effects of working in two different environments that protect against chemical threats. Fourteen (9 male and 5 female) regular Canadian Forces personnel were divided into two groups and performed various command post (CP) duties in a chemical threat scenario environment while wearing individual protective ensemble (IPE) or in a collective protective facility (COLPRO) for 24 hours. Each group performed CP duties in each environment and had a 24 hour rest between each trial. During their trials, core temperature was recorded and measured by a radio pill system; heart rate (HR) was recorded and measured using polar technology, body water loss was evaluated by body weight changes, thermal comfort, feeling of fatigue and perceived mental effort were evaluated using index scales. Results: core temperature was slightly elevated in the IPE compared to COLPRO by 0.2°C. Average 24hr HR was significantly elevated by 8 beats. Dehydration was significantly increased in the IPE environment; whereas, in the CLOPRO soldiers were able to maintain hydration status. Thermal comfort and fatigue ratings were significantly worse in the IPE (warmer and more fatiguing) compared to the CLOPRO. Mental effort to do the various CP duties was similar in both environments. Four of 14 soldiers while in IPE had severe headaches and one of the four was sick and one withdrew from the trial. This translated into a 28% casualty rate.

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Keywords
sustained operations;protective clothing;MOPP 4;NBC
Report Number
DRDC-TORONTO-TR-2004-200 — Technical Report
Date of publication
01 Dec 2004
Number of Pages
39
DSTKIM No
CA026713
CANDIS No
524634
Format(s):
Electronic Document(PDF)

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