BYPASS-GRAFTING FOR A RIGHT PROXIMAL SUBCLAVIAN ARTERY PSEUDOANEURYSMPATIENT USING A LONG TEMPORARY BYPASS

We report an 80-year-old woman, with pseudoaneurysm of the right proxi mal subclavian artery despite the absence of a history of trauma. On p reoperative examinations, the aneurysm involved to the common carotid arteries. A long temporary bypass using a heparin-coated tube from the right femoral artery to the right common carotid artery was created u nder low dose systemic heparinization. A Dacron bifurcation graft bypa ssing was then performed successfully. At surgery for right proximal s ubclavian artery aneurysm, which often involves the right common carot id artery, intraoperative accident or bleeding can induce brain ischem ia. A temporary bypass should be prepared. Although the short temporar y bypass from the aorta to the right common carotid artery was reporte d, this carries the risk of complications due to microemboli. The hepa rin-coated tube provided excellent anti-thrombosis. Inflow cannulation should be placed at the peripheral artery not the aorta.