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  • Title: [Value and indication of the use of 2 internal mammary arteries in repeated coronary surgery].
    Author: Bical O, Aznag H, Weber S, Py A, Fischer M, Maribas P, Souffrant G, Vanetti A.
    Journal: Arch Mal Coeur Vaiss; 1993 Apr; 86(4):423-6. PubMed ID: 8239869.
    Abstract:
    Forty-nine patients who had coronary artery reoperations were divided into two groups: the 29 patients of the first group were operated conventionally with use of one internal mammary artery or a saphenous vein; the 20 patients of the second group were reoperated using both internal mammary arteries. Three patients (6%) died prematurely: two in the first and one in the second group. The rates of peri-operative infarction were 7% and 15% respectively. The average postoperative bleeding was 472 +/- 385 ml in the first group and 700 +/- 628 ml in the second group (NS). All patients are pauci-symptomatic and have a negative exercise stress test. The mortality and morbidity of coronary reoperation does not seem to be greater with double internal mammary artery bypass grafting. However, this technique should be reserved for patients who can derive long-term benefit from reoperation with arterial grafts, that is to say in patients in good clinical condition, less than 65 years of age with good left ventricular function. In these patients, double internal mammary artery bypass grafting may avoid a third operation for myocardial revascularisation.
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