Monitoring of Surgical Bypasses

The aortocoronary bypass is an important surgical method for multivessel coronary revascularization, especially in the presence of complex lesions and in diabetic patients. It is can improve the prognosis of patients with three vessel disease and with left ventricular dysfunction1 . With regard to the type of graft used, bypasses are split into venous and arterial types. The use of venous conduits (usually the main saphenous vein: Fig. 1, 2) is negatively conditioned by the high incidence of vein disease which may result in occlusion. Rates of patency of 81%at year 1, 75% after five years and 50% after 15 years are reported .

Fig. 3: Y graft of mammary arteries anastomosed on ADA and ACX (3D VR...
Fig. 3: "Y" graft of mammary arteries anastomosed on ADA and ACX (3D VR reconstruction). The left mammary artery is at the front (red arrows) anastomosing with the ADA; the right mammary artery, used as "free conduit" (green arrowheads) presents proximal anastomosis with the left mammary artery and distal anastomosis with the ACX.

This article was first published in the VISIONS, issue 11/2007, a publication of Toshiba Medical Systems


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