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KMID : 0438219790160010325
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Korea University Medical Journal
1979 Volume.16 No. 1 p.325 ~ p.331
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The Effects of Room Temperature on the Body Temperature in Anesthetized Adults except the Intraabdominal and Thoracic Surgery
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尹錫民/Yoon, Suk Min
徐丙台/辛正順/Suh, Byung Tae/Shin, Jung Soon
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Abstract
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The body temperature, which is preserved relatively constant, means that in the interior of the body (the core temperature), and not that of the skin or tissues immediately underlying the skin.
Heat is continually being produced in the body as a byproduct of metabolism, and body heat is also continually being lost to the surroundings.
Heat balance is the equal state between the rate of heat production and the rate of loss.
Under the general anesthesia, body temperature is changed from normothermic to poikilothermic state.
Heat loss during anesthesia occurs not only because of low environmental temperatures and humidity, but also because of the infusion of cold fluids, ventilation with cold gases, the exposure of body ´cavities, the absence of shivering, and subcutaneous vasodilation.
Heat gain can develope due to disturbed normal heat dissipation.
The purpose of this study was to examine the relationship between high room temperature and the body temperature of anesthetized, except the intraabdominal and thoracic surgery.
The total number of patients in this study was 43, and the patients were devided into three groups.
Group I was consisted of 9 patients who were anesthetized 21.0-24.9C of room temperature. Group II was 25 patients in 25.0-26.9C
Group III was 9 patients in 27.0-28.9C
Conclusions are summarized as follows:
1) Maximal permissible room temperature in which no patient gained heat was 27.0C for 2 hours operation.
2) Rectal temperature was decreased 0.1C per every 30 minutes in Group II fort hours after the ,induction of anesthesia.
=z 3) Rectal. and lower esophageal temperature increased 0.1-0.2C per 30 minutes in Group III for 2
hours after the induction of Anesthesia.
4) When anesthesia was maintained above 27C of room temperature, careful management is recommanded for prevention of hyperthermia.
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