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KMID : 0364019740070010073
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Korean Journal of Thoracic and Cardiovascular Surgery
1974 Volume.7 No. 1 p.73 ~ p.77
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Influences of Prolonged Extracorporeal Circulation on Organ Function in Dogs
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Abstract
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Influences on organ function were studied in animals during prolonged extracorporeal circulation with a bubble type of oxygenator. More than six hours of total cardiopulmonary bypass was performed under mild hypothermia by mans of an extracorporeal circulation system in five dogs.
Obtained results were summarized as follows.
1. The renal function was not so impaired seriously until four hours of extracorporeal circulation. However, there was more serious impairment of renal function in this study when extracorporeal circulation was carried tou for a period of five hours or more.
2. There was gradual hepatic damage during extracorporeal circulation and the damage was more significant after bypass for a period of five to six hours.
3. There was a significant decrease in serum K+during bypass, irrespective of the pump oxygenator prime with a high K+ solution. The reason for this is complex and due to many factors, however, it was evidently related to serum glucose levels during extracorporal circulation.
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