Volume 9, Issue 2 (Occupational Medicine Quarterly Journal 2017)                   tkj 2017, 9(2): 50-58 | Back to browse issues page

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Dehghan H, Sourylaky M, Pourabdian S, Hasanzadeh A. Investigating the effect of various drinks on changes in HSSI, PESI and PSI indices in hot and dry laboratory conditions. tkj. 2017; 9 (2) :50-58
URL: http://tkj.ssu.ac.ir/article-1-735-en.html
Isfahan University of Medical Sciences , pourabdian@hlth.mui.ac.ir
Abstract:   (1872 Views)

Introduction: Water and electrolytes are essential to maintain the health and performance in hot occupational environments. The aim of this study was to determine the effect of different drinks on indices HSSI, PESI and PSI under laboratory conditions.

Methods: This clinical trial study was conducted on 13 male students in hot and dry laboratory conditions, (40 ° C, humidity 30%). In 3 steps within 2 hours of interferences, water, the combination of water and lemon, and lemon juice in the amount of 400 cc for 4 times was given to the participants. Every 10 minutes from the beginning of exposure to the heat index, Heat Strain Score Index (HSSI), Perceptual Strain Index (PESI), Physiological Strain Index (PSI), heart rate and oral temperature were measured. Analysis of variance with repeated observations and post hoc test was used to analyze the data.

Results: The results showed that the index of HSSI (P= <0.001), PESI (P=0.001) and PSI (P = <0.001) has had a significant difference when using 3 interferences.

Conclusion: Drinking leads to keeping and maintaining normal conditions in participants. Compared with water and the combination of water and lemon, lemon juice drink has the greatest impact in reducing the average scores in all three indicators.

Full-Text [PDF 675 kb]   (494 Downloads)    
Type of Study: Research | Subject: Physical agents
Received: 2016/02/3 | Accepted: 2016/10/24 | Published: 2017/07/18

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