Global myocardial revascularization without cardiopulmonary bypass using innovative techniques for myocardial stabilization and perfusion |
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Authors: | Bedi H S Suri A Kalkat M S Sengar B S Mahajan V Chawla R Sharma V P |
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Institution: | Department of Cardiac Surgery, Tagore Heart Care and Research Centre, Jalandhar, Punjab, India. bedi@jla.usnl.net.in |
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Abstract: | BACKGROUND: In off-pump coronary bypass grafting (CABG), invasiveness is reduced but technically perfect anastomosis is jeopardized by cardiac motion and the need to hurry to reduce the time of ischemia. Also, a major cause of postoperative morbidity and mortality is ungrafted circumflex coronary artery disease. We have devised a means of overcoming these shortcomings and performing multivessel CABG. The objective of this study was to assess the safety and efficacy of our technique. METHODS: One hundred patients with severe triple-vessel disease underwent multivessel off-pump CABG. For cardiac stabilization, a combination of local pericardial stabilization sutures and lifting and rotating the heart by means of posterior pericardial sutures were used. For myocardial perfusion, a technique of retrograde coronary sinus perfusion by arterial blood from the ascending aorta was used. RESULTS: Each patient received an average of 3.8 grafts (range 3 to 5). Complications included conversion to cardiopulmonary bypass (CPB) in 1 patient and a perioperative myocardial infarction in the same patient. In all other patients we were able to perform a satisfactory grafting in all territories with no operative mortality. Rapid recovery allowed 95% of our patients to resume normal activity within 1 month. A predischarge graft angiogram in 35 patients showed 97.8% patency. CONCLUSIONS: These results suggest that off-pump CABG with our techniques is effective and safe. Early clinical outcome and excellent patency rates suggest its more widespread use in selected cases. |
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