Controlled Earlier Reperfusion for Brain Ischemia Caused by Acute Type A Aortic Dissection
2009
Brain malperfusion caused by acute type A aortic dissection is a life threatening situation that should be relieved as early as possible with minimal reperfusion injury prior to aortic repair. The patient was 72-year-old woman with acute type A aortic dissection. She was referred to us 2.5 hours after onset of chest pain, and she was unconscious with a complete left paralysis. The true lumen of internal carotid artery was severely stenosed. A simple bypass circuit was installed from the femoral artery to the true lumen of the right common carotid artery, which consisted with a roller pump and cold bath for blood cooling. Regional oxygen saturation of the right frontal brain was immediately raised after initiation of the bypass, and she underwent emergency ascending hemi-arch replacement. The postoperative course was complicated with a right brain stroke; however, brain computed tomography and magnetic resonance imaging disclosed minimum brain edema. She was discharged on foot on the 35th postoperative day, and she was walking with a stick after 7 months.
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