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Ann Thorac Surg 2005;80:1738-1744
© 2005 The Society of Thoracic Surgeons

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Original article: Cardiovascular

Results of Coronary Artery Endarterectomy and Coronary Artery Bypass Grafting for Diffuse Coronary Artery Disease

Department of Cardiovascular and Thoracic Surgery, Newark Beth Israel Medical Center, Newark, New Jersey

Accepted for publication March 23, 2005.

^_* Address correspondence to Dr Gielchinsky, 685 Long View Rd, South Orange, NJ 07079 (Email: lgielchinsky{at}optonline.net).

BACKGROUND: Coronary artery endarterectomy with coronary artery bypass grafting for diffuse coronary artery disease has been associated with increased morbidity and mortality. We evaluated our institutional experience to redefine the role of coronary endarterectomy for diffuse coronary artery disease.

METHODS: From 1985 to 2002 isolated coronary artery endarterectomy with coronary artery bypass grafting was performed in 1,478 consecutive patients. The short-term outcomes were compared with concurrent series of conventional coronary artery bypass graft surgery, and risk factors for adverse outcomes after coronary endarterectomy were identified.

RESULTS: Patients in the coronary endarterectomy group were of higher risk with increased incidence of comorbidities and three-vessel coronary disease. The operative mortality (3.2% versus control 2.2%; p = 0.03) and the incidence of major postoperative morbidity (not significant) were comparable between the groups. Prolonged cardiopulmonary bypass time, recent acute myocardial infarction, redo surgery, and poor ventricular function were important predictors of in-hospital mortality. Vessel endarterectomized, technique of endarterectomy, and cardiopulmonary bypass versus off-pump technique did not alter results. At long-term follow-up, 5-year and 10-year survivals were 83% ± 5%, and 74% ± 3%, respectively, and freedom from angina at 5 and 10 years was 75% ± 5%, and 69% ± 4%, respectively, with 96% of survivors in New York Heart Association class II.

CONCLUSIONS: In selected patients with diffuse coronary artery disease, coronary endarterectomy can be used as a tool for myocardial revascularization. The operative mortality and major morbidity were comparable or similar to coronary artery bypass grafting, and short-term and long-term results were favorable.

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