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《Academic Journal of Second Military Medical University》 2017-12
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Medical protection patterns in preventing heat stroke during 5-km armed field examination in summer

LI Hai-ling;WANG Hong-ping;LU Qing;GU Xiao-feng;ZHAO Li-li;XIE Ru-qing;Department of Critical Care Medicine,No.401 Hospital of PLA;Division of Medical Affairs,No.401 Hospital of PLA;Department of Naval Hygiene,North Sea Fleet of PLA;  
Objective To discuss the role of medical protection patterns in preventing exertional heat stroke during 5-km armed field examination in summer.Methods We analyzed the original data collected from 501 soldiers who completed the 5-km armed field examination in the summer of 2016.The soldiers received medical protection during examination and were divided into fully-equipped group(loading 9-12 kg,n=270)and non-equipped group(n=231).The temperatures of the soldiers were detected before and after examination,and the temperature changes and the number of soldiers with hyperthermia after examination were compared between the two groups.Results A total of 501 soldiers took part in the 5-km armed field examination,and 51(10.18%)soldiers were found with fever(temperature37 ℃),with a highest temperature of 40.9 ℃.Nine were put on a temporary stay in the field medical facility.Among them,four were observed because of the temperature maintaining at 38℃for 15 min,and their temperatures dropped to below 37 ℃ after cooling fluid infusion for 50-120 min;four were observed because of chest tightness,suffocation,and abdominal pain;one was observed because of faint;the latter five cases were improved without other treatments.No case was evacuated to the hospital.There was no significant difference in temperature between the fully-equipped and non-equipped groups before the examination,while the temperature in the fully-equipped group was significantly higher than that in the non-equipped group after the examination([36.64±0.67]℃vs[36.48±0.38]℃,P0.05).The number of soldiers with hyperthermia in the fully-equipped group was significantly more than that in the non-equipped group after the examination(16.67%[45/270]vs 2.60% [6/231],P0.05).Conclusion The 5-km armed field examination in summer can elevate temperatures of the soldiers and has risk of inducing heat stroke.Establishing a targeted medical protection pattern during the examination may help to timely detect fever in the soldiers and give prompt treatment,so as to effectively prevent heat stroke.
【Fund】: 济南军区后勤科研项目重点课题(CJN15J011)~~
【CateGory Index】: R821
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