[Transluminal angioplasty of stenosis of mammary artery bypass].

Experience with transluminal angioplasty, frequently reported for venous bypass stenosis, has so far been limited for mammary-artery bypasses. In a 53-year-old man with severe triple-vessel coronary disease, two stenoses in the venous bypass with four peripheral anastomoses and one stenosis in the mammary-artery bypass were successfully dilated. Bypass surgery and transluminal coronary angioplasty can, as this case demonstrates, complement one another.