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KMID : 0364019950280010007
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Korean Journal of Thoracic and Cardiovascular Surgery
1995 Volume.28 No. 1 p.7 ~ p.10
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The Value of Mixed Venous Oxygen Saturation During and After Cardiopulmonary Bypass
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Abstract
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Mixed venous oxygenation saturation (SvO2) is a variable determined in part by the externally controlled factors and in part by the patient during CPB. I monitored the SvO2 and tested it as a parameter for the regulation of pump output and as a
criteria
for the need of inotropics after CPB. With the help of SvO2, I increased the pump flow especially during rewarming for more optimal oxygenation of cells. After CPB, the calculated cardiac index was used as an indicator for the need of inotropic
support
with greater accuracy and without any clinical problems. I conclude that the SvO2 is an easily checkable variable and a good indicator for optimal oxygenation at cell level, and can be used as an objective criteria for the need of postoperative
inotropic support.
(Korean J Thoracic Cardiovas Surg 1995;28:7-10)
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