Surgical revascularization of coronary bifurcations employing a single arterial graft according to the "omega-anastomosis" technique: initial experience

Journal of Cardiac Surgery
Massimo BonacchiGabriele Giunti

Abstract

The aim of this study was to evaluate the early postoperative outcome in patients undergoing "omega-anastomosis" construction, a technique that permits revascularization of coronary bifurcations employing a single arterial graft. Between January 2000 and March 2002, omega-anastomosis was employed in 12 patients. The main indication for omega-anastomosis construction was the presence of a significant stenotic lesion involving one of the coronary tree's bifurcations, presenting a relevant secondary branch. There were ten men and two women, with a mean age of 55.4 +/- 4.3 years (range 48 to 66). The omega-anastomosis was constructed employing a single arterial graft (internal mammary artery or radial artery) effectively tailored to obtain a bi-petal shape and anastomosed to the coronary bifurcation according to a three-foliate anastomosis. All patients underwent postoperative coronary angiography. There were no hospital deaths, neither ECG nor enzymatic alterations. One patient was reoperated for excessive bleeding. The mean aortic cross-clamp time and duration of CPB (cardiopulmonary bypass) were 64 +/- 18 minutes (range 45 to 108) and 89 +/- 26 minutes (range 67 to 135), respectively. Thirty-four arterial conduits were used: 12 ...Continue Reading

References

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