Related Experiment Videos
Catheterization and angioplasty of the nonopacified peripheral autogenous vein bypass graft
S Sprayregen1, F J Veith, C W Bakal
1Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467.
Insights
Non-opacified lower extremity vein bypass grafts may remain patent. Catheterization can confirm patency, allowing angioplasty to restore blood flow without thrombolysis.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Radiology
Background:
- Lower extremity vein bypass grafts are crucial for limb salvage.
- Graft non-visualization on imaging does not always indicate thrombosis.
- Accurate assessment of graft patency is essential for appropriate management.
Observation:
- Non-opacified grafts were identified in patients.
- Catheterization was performed to assess these grafts.
- Two cases involved non-thrombosed, non-opacified grafts.
Findings:
- Catheterization demonstrated patency in non-opacified grafts.
- Percutaneous transluminal angioplasty successfully restored blood flow.
- Fibrinolytic therapy was not required in these cases.
Implications:
- Catheterization is a valuable tool for evaluating non-opacified bypass grafts.
- Angioplasty offers a non-thrombolytic option for restoring flow in patent grafts.
- This approach may improve outcomes for patients with bypass graft complications.
Abstract:
Nonopacified lower extremity vein bypass grafts may not be thrombosed. Catheterization of these grafts should be performed whenever possible. If graft patency is demonstrated, vein graft angioplasty may restore flow without fibrinolytic therapy. In two cases of nonthrombosed nonopacified grafts, graft patency was demonstrated by catheterization of the grafts, and normal blood flow was restored by percutaneous transluminal angioplasty.