The Experimental Application of Microsurgical Techniques to Internal Mammary to Coronary Artery Anastomosis
P S Jairaj1, B Mcc O'Brien1, J P Richardson1
1The Open Heart Surgery Unit and the University Department of Surgery, St Vincent's Hospital, Melbourne.
Abstract:
Obstructive coronary artery disease is in many patients a disease of the proximal arteries. Saphenous vein bypass grafts have been satisfactorily performed into vessels of diameters of 2.5 mm and above. A certain proportion of patients exist, however, in whom the only vessels available for grafting are of diameters of less than 2 mm. The purpose of this study was to test the feasibility of performing internal mammary to coronary artery anastomosis in the dog in vessels of diameters of 1-2 mm, using the operating microscope The study indicates that it is technically possible to perform these anastomoses with an acceptable immediate patency rate.
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