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자발호흡을 하는 개에서 저체온시의 산염기 관리

Other Titles
 Acid-Base Regulation during Hypothermia in Dogs 
Authors
 홍용우  ;  곽영란  ;  박원선  ;  최승호  ;  남상범  ;  유은숙  ;  박정현 
Citation
 Journal of Korean Society of Anesthesiologist (대한마취과학회지), Vol.34(6) : 1047-1052, 1998 
Journal Title
 Journal of Korean Society of Anesthesiologist (대한마취과학회지) 
ISSN
 0302-5780 
Issue Date
1998
Abstract
Background: Controversy exists regarding acid-base management during hypothermia. Two different concepts of arterial blood gas (ABG) management during hypothermia have been proposed to date; pH-stat and α-stat. There has been no consistency about physiological benefit provided by one protocol over the other. Most of previous studies have investigated the effects of two different strategies during cardiopulmonary bypass or controlled ventilation. We studied the actual acid-base regulation during acute hypothermia in anesthetized dogs with spontaneous ventilation. Methods: With institutional review board approval, 10 mongrel dogs were anesthetized with intravenous pentobarbital 25 mg/kg. The dogs were kept to have spontaneous ventilation with trachea intubated. After monitoring devices were placed, the rectal temperature was lowered to 32oC with wet towel, cold solution, and ice cubes. ABG analyses were performed at each degree drop of body temperature from 37oC to 32oC. The pH and arterial carbon dioxide tension (PaCO2) were measured at 37oC and were corrected to the actual body temperature. [OH-]/[H+] was also calculated. Results: Non-corrected pH values tended to decrease and PaCO2 values tended to increase as the temperature dropped. The temperature corrected pH and PaCO2 values were almost constant through 37˚C to 32˚C. [OH-]/[H+] was declined with a drop of temperature. Conclusions: The acid-base regulation during acute hypothermia in anesthetized dogs with spontaneous ventilation is considered to be the pattern close to "pH-stat" regulation.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Young Lan(곽영란) ORCID logo https://orcid.org/0000-0002-2984-9927
Choi, Seung Ho(최승호) ORCID logo https://orcid.org/0000-0001-8442-4406
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/176546
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