May 1, 2001Expert Opinion on Investigational Drugs
Intravascular radiation for the prevention of recurrence of restenosis in coronary arteries
Key result
Intravascular radiation effectively prevents neointimal proliferation and restenosis in coronary arteries, though it is associated with an increased rate of late thrombosis.
Why the study?
Does intravascular radiation prevent recurrence of restenosis in patients undergoing stented coronary angioplasty?
Population
Patients with in-stent restenosis undergoing stented coronary angioplasty
Design
Review
Authors
Discussion
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Member takes
Implication
Supports brachytherapy for refractory in-stent restenosis with extended antiplatelet coverage; leaves open long-term efficacy versus contemporary strategies.
Structured PICO
Does intravascular radiation prevent recurrence of restenosis in patients undergoing stented coronary angioplasty?
P
Population
Patients with in-stent restenosis undergoing stented coronary angioplasty
I
Intervention
Intravascular radiation (vascular brachytherapy) with either gamma- or beta-radiation sources
O
Outcome
Prevention of neointimal proliferation and restenosis
Intravascular brachytherapy is an effective treatment for in-stent restenosis, but requires prolonged antiplatelet therapy to mitigate the risk of late thrombosis.
Limitations
- Increased rate of late thrombosis
- Edge effect
- Geographical miss
- Long-term results from ongoing clinical trials are still needed
- Need for long-term results from ongoing clinical trials
Cite This Study
Gruberg et al. (2001) conducted a review in In-stent restenosis. Intravascular radiation (vascular brachytherapy) was evaluated. Intravascular radiation effectively prevents neointimal proliferation and restenosis in coronary arteries, though it is associated with an increased rate of late thrombosis.