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증례보고 : 대동맥판막과 상행대동맥 치환술 중 치명적 뇌경색이 발생한 환자에서 대뇌산소포화도와 경정맥 산소포화도의 변화
최은수 ( Eun Su Choi ),김재헌 ( Jae Hun Kim ),길남수 ( Nam Su Gil ),이종환 ( Jong Hwan Lee ),전윤석 ( Yun Seok Jeon ),김경환 ( Kyung Hwan Kim ),박재현 ( Jae Hyon Bahk ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.1
Despite reductions in surgical mortality, neurologic sequelae remain a devastating complication after cardiac surgery with cardiopulmonary bypass. Neurologic complications may be induced by a massive air embolism during cardiopulmonary bypass, even with extensive monitoring. This report describes a patient who had a fatal cerebral infarct during aortic valve and ascending aorta replacement surgery. We monitored jugular venous O2 saturation (SjvO2) and cerebral oximetry using near-infrared spectroscopy in the perioperative period. The operation and anesthesia were uneventful until the deep hypothermic total arrest for the replacement of the ascending aorta. However, restarting the cardiopulmonary bypass after deep hypothermic total arrest produced a brief (less than 10 seconds) but large amount of air in the root cannula. At this time, although cerebral oximetry did not show any changes, the SjvO2 decreased to 21% for about 3 minutes and then normalized. At 8 hours after surgery, the patient showed seizures and severe edema in both cerebral hemispheres on the MRI. The patient died 21 days after surgery. (Korean J Anesthesiol 2009;56:102~5)