[Angioplasty of venous grafts].
Degeneration of venous aorto-coronary bypass grafts results in a reduction in their patency: 60% are patent at 10 years and only 50% are disease-free. Balloon angioplasty has been proposed as a therapeutic alternative to surgical reoperation. This delicate technique is associated with immediate, medium and long-term results which are less satisfactory than those obtained on the native coronary vessels. The risk of distal embolisation influences the immediate operative results. Restenosis, more common than after angioplasty of native vessels, and the progression of atherosclerosis, explain the mediocre long-term results. Of all the techniques of interventional cardiology, coronary stenting seems to provide the best results, especially on short, focal lesions. The immediate and long-term results are more disappointing in cases of diffuse degeneration of the graft. The pre-, peri- and postoperative medical environment, especially treatment with platelet inhibitors and statins, seems to play a decisive part in the improvement of long-term clinical results.
Fajadet
J
J
Unité de cardiologie interventionnelle, Clinique Pasteur, Toulouse.
D015906:Angioplasty, Balloon, Coronary; D001026:Coronary Artery Bypass; D003324:Coronary Artery Disease / Q000473:pathology / Q000628:therapy*; D003327:Coronary Disease / Q000503:physiopathology / Q000517:prevention & control*; D018450:Disease Progression; D006801:Humans; D012008:Recurrence; D015607:Stents; D016896:Treatment Outcome; D014680:Veins / Q000637:transplantation
Angioplastie des pontages veineux.