Abstract
The outcome of off-pump endarterectomy in patients with diffuse coronary artery disease and increased risk factors for cardiopulmonary bypass was reviewed. Thirty-eight procedures were carried out in 32 patients (21 men and 11 women) aged 59 to 78 years (mean, 69 years). Mean left ventricular ejection fraction was 38.6% (range, 24% - 55%). The number of grafts per patient was 2.6. The left internal mammary artery was used in 29 patients (91%). Endarterectomy was performed on the right coronary artery and its branches (18), the left anterior descending artery (15), diagonal branch (2), and the circumflex system (3). Overall operative mortality was 3.1%. Perioperative myocardial infarction occurred in 6.2%. Follow-up was complete in 30 patients (94%). The mean follow-up period was 14 +/- 3.3 months. Late survival was 93%. Freedom from cardiac events that required hospital re-admission was 89%. Freedom from angioplasty of the endarterectomized vessel was 96%. These findings indicate that off-pump endarterectomy can be performed with good results in patients with diffuse coronary artery disease.
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