Modified Port-Access Technique for the Treatment of Aortic Dissection after Previous Cardiac Surgery

Abstract

One of the most challenging conditions to manage after previous cardiac surgery is chronic dissection of the ascending aorta. We operated on a 54-year-old man who had aortic dissection in addition to large aortic dimensions very close to the sternum, severe aortic regurgitation, and a false lumen in the descending aorta. We used a combination of perfusion and myocardial protection techniques, arising from port-access technology, that enabled antegrade flow into the aorta, endoclamping of the ascending aorta, the administration of cardioplegic solution before opening the sternum, and left ventricular venting to prevent ventricular distention. Our technique resulted in minimal blood loss, shorter circulatory-arrest and operative times, the ability to operate on a decompressed heart and descending aorta, good myocardial protection, and easier and safer access to the heart. Three years postoperatively, our patient was doing well. Other patients might benefit from this approach; however, the surgeon must ensure that an aortic segment is suitable for endoclamping.