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Updated: Aug 11, 2026

Procedure for Human Saphenous Veins Ex Vivo Perfusion and External Reinforcement
Published on: October 1, 2014
Reoperation for stenotic saphenous vein bypass grafts without cardiopulmonary bypass
Insights
Recurrent myocardial ischemia from blocked saphenous vein grafts is increasing. A new technique avoids extensive surgery and bypass, successfully treating three patients and reducing risks.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
Background:
- Saphenous vein graft (SVG) stenosis is a common cause of recurrent myocardial ischemia.
- Reoperation for SVG stenosis carries significant morbidity and mortality risks.
Observation:
- A novel surgical technique has been developed to address proximal SVG stenosis.
- This technique aims to minimize extensive dissection and the need for cardiopulmonary bypass.
Findings:
- The described technique was successfully applied in three patients with recurrent myocardial ischemia.
- The approach demonstrated feasibility in managing complex SVG stenosis.
Implications:
- This technique offers a potentially safer alternative to traditional reoperation for SVG stenosis.
- Further studies are warranted to evaluate long-term outcomes and broader applicability.
Abstract:
Recurrent myocardial ischemia on the basis of proximal stenosis of saphenous vein coronary artery bypass grafts is being seen with increasing frequency. To decrease the risk of morbidity and mortality attendant on reoperation for this condition, a new technique has been used that avoids extensive dissection and cardiopulmonary bypass. This report describes successful application of the technique in 3 patients.
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