Journal of Health System Research
مجله تحقیقات نظام سلامت
J Health Syst Res
Medical Sciences
http://hsr.mui.ac.ir
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jalali
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2026
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ارزیابی عملکرد جلیقه خنککننده تغییر فازی روی شاخصهای استرین گرمایی و شناختی خانمها در هنگام استفاده از لباس حفاظتی گان در شرایط آزمایشگاهی
Evaluation of the Performance of the Phase Change Cooling Vest on the Heat Strain and Cognitive Indices of Women during the Use of Protective Clothing (Gown) in Laboratory Conditions
مهندسی بهداشت حرفه ای و ایمنی کار
Occupational health engineering and occupational safety
پژوهشي
Research
<div style="text-align: justify;"><span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span calibri="" style="font-family:"><a name="_Hlk136069867"></a></span></span></span></span><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">مقدمه:</span></span></span></b> <span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">در زمان پاندمی کووید 19، استفاده از پوشش حفاظتی گان در مراکز درمانی افزایش یافت. این پوششهای حفاطتی موجب بروز استرس گرمایی در کاربران میشود. هدف از انجام پژوهش حاضر، ارزیابی کارایی جلیقه خنککننده تغییر فازی سدیم سولفات هیدراته بر شاخصهای استرین گرمایی و شناختی خانمها در هنگام استفاده از لباس حفاظتی گان در شرایط آزمایشگاهی بود</span></span></span><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">.</span></span></span><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black"></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">روشها:</span></span></span></b> <span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">در این مطالعه، 16 خانم در سه مرحله پایه (بدون گان و جلیقه خنککننده)، گان و گان/ جلیقه خنککننده، طی 30 دقیقه روی تردمیل با سرعت 2 کیلومتر در ساعت راه رفتند و شدت تعریق، دما و رطوبت نسبی داخل لباس، احساس خیسی پوست، احساس گرمایی، ناراحتی گرمایی، دمای پوست، ضربان قلب، خستگی ذهنی و میزان توجه و زمان واکنش در سه مرحله اندازهگیری گردید</span></span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">.</span></span></span><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black"></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">یافتهها:</span></span></span></b> <span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">اختلاف میانگین احساس گرمایی در دو حالت پوشش پایه و گان/ جلیقه، 58/0 و پوشش گان و گان/ جلیقه، 23/1 گزارش شد (05/0 > </span></span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">P</span></span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">). همچنین، اختلاف میانگین دمای داخل لباس 60/0 درجه سانتیگراد، احساس خیسی پوست 74/0، ناراحتی گرمایی 44/0، دمای پوست 35/0 درجه سانتیگراد و میزان توجه 29/0- درصد در حالت گان بیشتر از حالت گان/ جلیقه بود (05/0 > </span></span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">P</span></span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">). اختلاف معنیداری بین میانگین زمان واکنش در حالت پوشش گان و گان/ جلیقه مشاهده گردید (05/0 > </span></span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">P</span></span></span><span lang="AR-SA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">)</span></span></span><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">.</span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="line-height:normal"><span style="direction:rtl"><span style="unicode-bidi:embed"><span sans-serif="" style="font-family:Calibri,"><b><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black">نتیجهگیری:</span></span></span></b><span lang="FA" style="font-size:10.0pt"><span b="" style="font-family:" zar=""><span style="color:black"> پوشیدن جلیقه خنککننده حاوی بستههای مواد تغییر فازی سدیم سولفات هیدراته همراه با گان ایزوله در محیطهای درمانی، استرین فیزیولوژیکی و ادراکی ناشی از گرما را در کاربران کاهش میدهد.</span></span></span><span dir="LTR" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span></span></span></span></span></span></div>
<span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span calibri="" style="font-family:"><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Zar""></span></span></span></span></span></span></span></span>
<div style="text-align: justify;"><span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Background</span></span></span></b><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">:</span></span></span></b> <span lang="EN" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">During the coronavirus disease 2019 (COVID-19) pandemic, the use of protective clothing (gown) has increased contributing to heat stress in users. This study aimed to evaluate the performance of the phase-change cooling vest containing sodium sulfate hydrate on heat strain and cognitive indices of women during the use of protective clothing (gown) in laboratory conditions</span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">.</span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Methods:</span></span></span></b> <span lang="EN" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">In this study, 16 women participants underwent three stages: baseline (without gown and cooling vest), gown only, and gown with cooling vest. They walked on a treadmill at a speed of 2 kilometers per hour for 30 minutes to assess and compare physiological and cognitive parameters during the stages. Sweat rate, temperature and relative humidity inside the clothes, perception of skin wetness, thermal sensation, physiological strain index, skin temperature, heart rate, mental fatigue, the level of attention, and reaction time were measured in the three stages</span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">.</span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Findings:</span></span></span></b> <span lang="EN" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">The mean difference in thermal sensation between the baseline and gown/cooling vest condition was 0.58, and between gown-only and gown/cooling vest was 1.23, which was statistically significant (P < 0.05). Additionally, the mean difference in temperature inside the clothes 0.60° C, perception of skin wetness 0.74, thermal discomfort 0.44, skin temperature 0.35° C, and level of attention was -0.29 more in gown condition than in the gown/vest condition (P < 0.05). </span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">A significant difference was observed between the average of reaction time in </span></span></span><span lang="EN" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">gown-only and gown/vest conditions.</span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Conclusion:</span></span></span></b> <span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Wearing a cooling vest containing sodium sulfate hydrate phase-change material along with an isolation gown in healthcare settings reduces heat-induced physiological and perceived strain in users</span></span></span><span lang="EN" style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">.</span></span></span><span style="font-size:10.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black"></span></span></span></span></span></span></span></span><br>
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تجهیزات حفاظت فردی, لباس حفاظتی, استرس گرمایی, جلیقه خنککننده, مواد تغییر فاز
Personal protective equipment, Protective clothing, Heat stress, Cooling vest, Phase change materials
472
479
http://hsr.mui.ac.ir/browse.php?a_code=A-10-612-1&slc_lang=fa&sid=1
Yalda
Tebeidian
یلدا
تبعیدیان
y.tabeidian@gmail.com