Korean Journal of Veterinary Research 1999;39(1):177-188.
A study on recovery of deep hypothermia in rabbits
Byeong-han Lee1, Won-chul Chun1, Jin-young Kim1, Jong-sung Kim2, Jung-hwan Park2, Jong-jung Park2, Jin-soo Han2, Byung-hyun Chung1
1School of Veterinary Medicine, Kon-Kuk University
2Department of Laboratory Animal Research, Samsung Biomedical Research Institute
토끼에서 초저체온증의 회복에 관한 연구
이병한1, 전원철1, 김진영1, 김종성2, 박정환2, 박종성2, 한진수2, 정병현1
1건국대학교 수의학부
2삼성생명과학연구소 실험동물연구실
Abstract
The studies were carried out to investigate the effect of recovery in rewarming using the esophageal thermal tube in the deep hypothermia($25{pm}1^{circ}C$ ; rectal temp) in rabbits. Fifteen rabbits were divided into control group(n=6), peritoneal dialysis group(n=5) irrigated with dialysate at $42{pm}1^{circ}C$, and esophageal rewarming group(n=4) perfused with circulating water at $38{pm}1^{circ}C$. Rewarming of the rabbits was performed for 5 hours. MAP, HR, RR, esophageal temp, rectal temp, pH, $pCO_2$, $pO_2$, $Na^+$, and $K^+$ were observed. The results obtained in these experiments were summarized as follows : Esophageal rewarming group($38{pm}1^{circ}C$) had more effect on esophageal temperature than other groups. Peritoneal dialysis group($42{pm}1^{circ}C$) had more effect on rectal temperature and $pO_2$ than other groups. The both groups also had more effects on MAP, HR, RR, and $pCO_2$ than control group. Three groups had no significant effect on pH, $Na^+$, and $K^+$. In conclusion, we found that the simple, safe, and non-invasive esophageal rewarming method had an effect on the treatment of profound hypothermia as well as the peritoneal dialysis method in spite of the temperature difference between the dialysate and the circulating water, and the circulating water at $38{pm}1^{circ}C$ for esophageal rewarming also had an effect on the recovery of deep hypothermia.
Key Words: esophageal rewarming, hypothermia, rabbit, hematology, electrolyte


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