Home > Cardiology > AHA 2021 > Vascular Diseases: CAD > External support device for SVG grafts in CABG surgery shows promise

External support device for SVG grafts in CABG surgery shows promise

Presented By
Prof. John Puskas, Mount Sinai Hospital, Israel

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Conference
AHA 2021
Trial
VEST Pivotal
No significant difference in intimal hyperplasia was reported between supported and unsupported saphenous vein grafts (SVGs) in patients who underwent coronary artery bypass graft (CABG) surgery in the VEST trial. However, the additional sensitivity analysis did show benefits of the externally supported SVG. Further investigation of external graft support devices is warranted. Prof. John Puskas (Mount Sinai Hospital, Israel) explained that 50% of all SVGs fail within 10 years, mostly due to proliferative intimal hyperplasia of the grafts [1]. This process causes graft atherosclerosis and occlusion, leading to unwanted clinical events. According to Prof. Puskas, external support of SVGs may prevent SVG dilatation and reduce intimal hyperplasia. In addition, an external support device could improve long-term vein patency by reducing SVG wall tension, decreasing lumen irregularities, and improving haemodynamics and shear stress. The current VEST Pivota...


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