Abstract: Background Central venous blood oxygen saturation (SCVO2) monitoring in clinical application becomes widespread increasingly,but there are still some controversy. Objective To review related controversies and application status of SCVO2 monitoring in perioperative. Content SCVO2 can be used to evaluate change of oxygen supply and oxygen consumption,this has broad scope of application in perioperative. Trend The accuracy and approval degree of SCVO2 monitoring will be increased,this to improve levels of perioperative anesthetic management and monitoring is great significance.
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