Abstract
Robotically enhanced surgery is a fast-developing technique that allows totally endoscopic cardiac surgery on both the beating and arrested heart. Between December 2002 and May 2005, 13 patients underwent totally endoscopic coronary bypass using the da Vinci system; 11 operations were on a beating heart and 2 on arrested hearts. The mean time for internal mammary artery mobilization was 42 min. The time for left internal mammary artery-to-left anterior descending artery anastomosis was 20–36 min for totally endoscopic cases. In one patient, the right internal mammary artery was anastomosed to the diagonal artery. No patient required conversion to a median sternotomy. Mean intensive care unit stay was 1.2 days and mean hospital stay was 4.5 days. There was no hospital mortality. All 13 patients had coronary angiography at 3-month intervals, which showed 100% patency in 12 patients while one had 50% anastomotic narrowing for which coronary angioplasty was performed. Using robotic technology, completely endoscopic anastomosis is possible in patients with single-vessel disease. Use of robotics is now extended to achieve complete myocardial revascularization by harvesting both internal mammary arteries in addition to making a small thoracotomy for direct anastomosis.
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