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  • Title: [Percutaneous transluminal angioplasty for stenosis of coronary artery bypass grafts: a comparison of arterial grafts versus vein grafts with regard to restenosis and re-do CABG].
    Author: Kawata T, Hasegawa J, Yoshida Y, Nakayama Y, Kawachi K, Kitamura S.
    Journal: Kyobu Geka; 1994 Jun; 47(6):434-7. PubMed ID: 8207879.
    Abstract:
    Stenoses of ten arterial grafts and thirty-four venous grafts from previous coronary artery bypass grafting (CABG) were treated with percutaneous transluminal angioplasty. In all ten arterial grafts, stenosis occurred at the distal coronary anastomotic site (A-d). In vein grafts, stenosis occurred at the proximal aortic anastomotic site (V-p) in 10, at the graft body (V-b) in 9 and the distal coronary anastomotic site (V-d) in 10 vessels. The initial success rates of angioplasty were 89% (A-d), 100% (V-p), 89% (V-b) and 100% (V-d). The time period between CABG and angioplasty was significantly shorter for A-d (4 +/- 3.8 months) and V-d (8.1 +/- 9.9 months) groups than for V-p (56.9 +/- 35.7 months) or V-b (45.9 +/- 48.6 months) groups. The restenosis rates following angioplasty were 0% (A-d), 50% (V-p), 50% (V-b) and 0% (V-d). Repeat CABG surgery was required for restenosis in 2 patients of group V-p and V-b. Our experience suggests that angioplasty can be performed with a high success rate for stenosis at the distal anastomosis of either arterial or vein grafts after CABG.
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