We report two cases of patch reconstruction for distal arch aneurysms. Supportive measures during operation included selective cerebral perfusion for brain protection and cardioplegic arrest for heart protection. During operation the whole body except for the heart was cooled down to 25°C, and only the heart was perfused at 36°C and kept beating. Both aneurysms were saccular, and after the resection of the aneurysm the defect of the aortic wall was reconstructed with woven double velour patches. The relationship between the pressure and the flow during coronary perfusion is not clear, but we thought the above measures should be taken when operating on distal arch aneurysm.
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