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KMID : 0381219900220010091
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Journal of RIMSK
1990 Volume.22 No. 1 p.91 ~ p.97
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The Changes of Arterial Blood Gas, Hematology and Urine Occult Blood during Extracorporeal Circulation
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Abstract
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Since the open heart surgery was widely accepted, various kinds of problems concerning the extracorporeal circulation also have been known. The author investigated the changes of arterial blood gas, hematology and urine occult blood during extracorporeal circulation in the 14 patients including 8 adults and 6 children who took open heart surgery from August 1987 to May 1988 in Chung-Ang University Hospital.
The results were as follows:
1) Changes of arterial blood gas
(a) There were no significant changes of pH during extracorporeal circulation in child group, but
pH became acidic from the induction of anesthesia in adult group (p<0.05, p<0.01).
(b) There were no significant changes of pCO2 during extracorporeal circulation in child group, but
pCO2 increased after induction of anesthesia in adult group (p<0.01).
(c) pO2 increased in both groups during extracorporeal circulation (p<0.01).
(d) There were no changes in HCO3 in both groups during extracorporeal circulation.
2) Changes of hematology
(a) Hemoglobin and hematocrit decreased from the induction of anesthesia in child group (p<0.05, p<0.01), but they decreased from the beginning of extracorporeal circulation in adult group (p<0.01).
(b) Plasma free hemoglobin showed the increasing tendency from the beginning of induction of anesthesia in both groups (p<0.05, p<0.01).
3) Urine occult blood also showed the increasing tendency during extracorporeal circulation in both groups
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