Saudi journal of anaesthesia
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To examine the validity of central venous oxygen saturation (ScvO(2)) as a numerical substitution of mixed venous oxygen saturation (SvO(2)) in adult patients undergoing normothermic on pump beating coronary artery bypass grafting (CABG). ⋯ In on pump beating CABG patients; ScvO(2) and SvO(2) are not interchangeable numerically. ScvO(2) is useful in the meaning of trend; our data suggest that ScvO(2) is equivalent to SvO(2) , only in the course of clinical decisions as long as absolute values are not required.