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Pyng Jing Lin
Jaw-Ji Chu
Hui-Ping Liu
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Ann Thorac Surg 1998;65:407-412
© 1998 The Society of Thoracic Surgeons

Original Articles: Cardiovascular

Minimal Access Surgical Techniques in Coronary Artery Bypass Grafting for Triple-Vessel Disease

Pyng Jing Lin, MD, Chau-Hsiung Chang, MD, Jaw-Ji Chu, MD, Hui-Ping Liu, MD, Feng-Chun Tsai, MD, Fen-Chiung Lin, MD, Cheng-Wen Chiang, MD, Peter P. C. Tan, MD

Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Chang Gung Medical College, Taipei, Taiwan,
Division of Cardiology, Chang Gung Memorial Hospital, Chang Gung Medical College, Taipei, Taiwan,
Department of Anesthesiology, Chang Gung Memorial Hospital, Chang Gung Medical College, Taipei, Taiwan

Accepted for publication July 28, 1997.

Dr Lin, Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, 199, Tun-Hwa North Rd, Taipei, Taiwan 10591.

Background. Minimal access surgical techniques in coronary artery bypass grafting have been used mainly in the management of single-vessel disease.

Methods. Fifteen patients, 11 men and 4 women with a mean age of 64.1 years (range, 35.7 to 78.0 years), underwent operation for triple-vessel disease using minimal access techniques. The procedures were performed through a limited left parasternal thoracotomy using femorofemoral extracorporeal circulation. The myocardium was protected by the antegrade infusion of cold blood cardioplegic solution while the aorta was cross-clamped.

Results. Under direct vision, the left saphenous vein grafts were connected sequentially to the diagonal branch, obtuse marginal branch, and posterior descending branch, and the left internal thoracic artery graft was anastomosed to the left anterior descending artery in each patient. The mean aortic cross-clamp time was 86 ± 17 minutes (range, 67 to 125 minutes). The mean duration of extracorporeal circulation was 112 ± 22 minutes (range, 82 to 162 minutes). The postoperative course was uneventful in all patients. Follow-up was complete in all patients at a mean of 7.4 months (range, 6.0 to 8.5 months), and there were no late deaths or angina. Coronary angiography in 8 patients showed patent grafts.

Conclusions. Our experience demonstrates that minimal access surgical techniques in coronary artery bypass grafting are technically feasible and may be an alternative approach in the surgical revascularization of triple-vessel disease.






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