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Popliteal artery stenting using flexible tantalum stents
E P Strecker1, I B Boos, D Göttmann
1Clinic of Imaging, Radiology, Nuclear Medicine, and Interventional Radiology, Diakonissenkrankenhaus, Diakonissenstrasse 28, D-76199 Karlsruhe, Germany. radiologie@diak-ka.de
Cardiovascular and Interventional Radiology
|July 10, 2001
Summary
Stent therapy shows promising results for treating residual popliteal artery stenosis after angioplasty. This approach offers encouraging patency rates, suggesting its potential for managing complex lower limb vascular disease.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Medical Device Technology
Background:
- Popliteal artery disease is a common cause of peripheral artery disease.
- Percutaneous transluminal angioplasty (PTA) is a standard treatment, but residual stenosis can occur.
- Stent implantation is an option to address post-PTA residual lesions.
Purpose of the Study:
- To assess the safety and effectiveness of using stent therapy.
- To treat residual stenotic lesions in the popliteal artery following PTA.
- To evaluate outcomes in patients with popliteal stenoses and occlusions.
Main Methods:
- Prospective, single-center study involving 32 patients.
- Flexible tantalum stents were deployed in 32 popliteal arteries.
- Follow-up included clinical exams, ankle-brachial index, and imaging (Doppler ultrasound/angiography).
Main Results:
- One early stent thrombosis (3%) occurred within 10 days.
- One-year and two-year primary patency rates were 81% and 74%, respectively.
- Higher restenosis rates were observed in recurrent PTA lesions compared to de novo lesions.
Conclusions:
- Stent therapy for residual popliteal stenosis post-PTA demonstrates encouraging outcomes.
- The findings support further investigation into this treatment modality.
- Popliteal artery stenting appears to be a viable option for complex lesions.
