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European Journal of Cardio-Thoracic Surgery, Vol 11, 870-875, Copyright © 1997 by European Association for Cardio-thoracic Surgery

ARTICLES

Coronary artery revascularisation without extracorporeal circulation. Indications and results

TA Folliguet, F Laborde, J Temkine, A Dibie, P Bourel, PY Etienne and MC Malergue
Institut Mutualiste Montsouris, Paris, France.

OBJECTIVE: Coronary artery revascularisation without extracorporeal circulation is a technique which can be performed in selected patients in need of a coronary artery bypass graft. METHODS: Consecutive patients (210) underwent coronary artery bypass graft without extracorporeal circulation. Indications were high risk patients, or single coronary artery lesion. To predict perioperative mortality, preoperative risk factors were reviewed, and Parsonnet score was calculated. RESULTS: There were seven deaths (3.3%), and univariate analysis revealed greater age, NYHA, and poor ejection fraction to be the only predictors of early mortality. Perioperative myocardial infarction included 15 patients (7.1%), most of them seen in the multiple bypass group (10/39, 26%). Patients were divided into low risk (Parsonnet score < 15) 155 patients with two deaths (1.2%), and high risk (Parsonnet score > 15) 55 patients with five deaths (9%). Complete revascularisation was performed in the low risk group, while in the high risk only the symptomatic vessel was bypassed and other angiographic lesions treated with postoperative angioplasty (10 patients). A total of 12 patients developed early postoperative angina (5.7%), 9 presented an anastomosis dysfunction which was treated by angioplasty (5) and surgery (4), and 188 patients (85.7%) did not receive transfusions while 190 patients (90.4%) did not need postoperative inotropes. Length of stay, operating room time, and medical costs were all significantly reduced. CONCLUSIONS: Myocardial revascularisation without extracorporeal circulation can be performed with a low operative mortality, and minimal morbidity only in patients undergoing single bypass revascularisation. It can also be performed as part of a multiple revascularisation strategy in association with angioplasty in high risks patients.

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