Related Experiment Videos
Intravascular brachytherapy for peripheral vascular disease.
M Hansrani1, K Overbeck, J Smout
1Department of Surgery, University of Newcastle upon Tyne, Department of Surgery, University of Newcastle upon Tyne, Framlington Place, Newcastle upon Tyne, UK, NE24HH.
The Cochrane Database of Systematic Reviews
|January 10, 2003
Summary
Intravascular brachytherapy (IVBT) improves short-term patency after angioplasty for femoropopliteal artery disease. This radiation therapy is particularly effective in non-diabetics with long occlusions.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Radiation Oncology
Background:
- Atherosclerotic disease often requires interventions like angioplasty or stenting.
- These procedures have high failure rates within a year due to restenosis.
- Intravascular brachytherapy (IVBT) uses localized radiation to inhibit vessel re-narrowing.
Purpose of the Study:
- To evaluate the effectiveness and complications of IVBT.
- To assess IVBT's role in maintaining vessel patency after angioplasty or stenting.
- To analyze IVBT's impact on iliac or infrainguinal arteries and bypass grafts.
Main Methods:
- Systematic review of randomized trials comparing procedures with and without IVBT.
- Searches conducted in major databases including Cochrane, MEDLINE, and EMBASE.
- Data extraction and quality assessment performed by two independent reviewers.
Main Results:
- One trial with 117 patients compared PTA alone versus PTA with IVBT.
- IVBT significantly reduced restenosis/occlusion (OR 0.35).
- Subgroup analysis showed benefits in non-diabetics, restenotic lesions, occlusive lesions, and long PTA lengths (>10cm).
Conclusions:
- IVBT appears effective for short-term femoropopliteal artery patency post-PTA.
- The benefit is most pronounced in non-diabetic patients with long occlusions.
- Further research is needed due to reliance on a single trial.