Aortic disease frequently requires extended and multiple resections. Occasionally, resection of the entire aorta may be indicated. At our Institution, from 1982 to 1994, 34 patients were operated upon for extended and total simultaneous aortic replacement. In seven patients, the aorta was replaced from valve to bifurcation; in 27, the aortic valve was included. Operations were performed with circulatory arrest under profound hypothermia. As the first step, the aortic valve and ascending aorta are replaced and the coronary arteries are reconnected, following which the aortic arch is reconstructed. Meanwhile, a second surgical team proceeds to open the thoracoabdominal aorta and tie up the intercostal orifices. If circulatory arrest is likely to exceed 60 minutes, the aortic graft is clamped and upper body perfusion (1000 cc/min) is begun. Finally, the thoracoabdominal aorta is fully replaced. Cardiopulmonary bypass (CPB) with rewarming is resumed only after the operation has been completed. Thirty-four patients survived operation; five died within 1 month for an overall mortality of 14.7%. No mortality occurred in the most recent nine operations. No permanent spinal neurological deficits occurred. Total simultaneous aortic replacement for treatment of extended aortic disease may be reasonable using our approach.
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