Multicenter Randomised Prospective Study for External Support Mesh VEST of Venous Coronary Grafts on the Right Territory

Multicentre randomised prospective study aimed at verifying medium-term patency of venous grafts on the right coronary artery territory, by clinical and/or instrumental follow-up with particular attention to clinically driven re-revascularisation events regarding the site of new lesions (granularly comparing sites already treated with VEST, sites treated with bare vein, sites treated with other conduits, de novo lesions on the native).