Abstract
It is controversial whether cerebral deficits other than frank stroke develop after total aortic arch replacement using hypothermic circulatory arrest (HCA) with antegrade selective cerebral perfusion (SCP). We investigated neuropsychological functions in patients who received total aortic arch replacement using deep HCA with SCP. Eleven patients who underwent elective total arch replacement using deep HCA with antegrade SCP were included. Cognitive functions of the patients were evaluated at baseline, and 3 weeks and 6 months after the aortic arch surgery. The performance of cognitive tests did not change 3 weeks after surgery, except for the attention/calculation task of the Mini-Mental State Examination (MMSE). Six months after surgery, the decline in score for the attention/calculation task in the MMSE had reversed and the score for this task as well as for all other tests had returned to baseline levels. Long-lasting cognitive deficits other than frank stroke may not develop after total arch replacement surgery using deep HCA with SCP.
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