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Related Experiment Videos

Femoropopliteal stent placement: long-term results.

M R Sapoval1, A L Long, A C Raynaud

  • 1Department of Cardiovascular Radiology, Hôpital Broussais, Paris, France.

Radiology
|September 1, 1992
PubMed
Summary

Self-expandable vascular endoprosthesis use after femoropopliteal percutaneous transluminal angioplasty (PTA) did not reduce reocclusion rates. This stent is best for acute closures post-PTA.

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Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • Femoropopliteal lesions often require intervention.
  • Percutaneous transluminal angioplasty (PTA) is a common treatment.
  • Vascular endoprostheses (stents) are used to maintain patency.

Purpose of the Study:

  • To evaluate the efficacy of self-expandable vascular endoprostheses after femoropopliteal PTA.
  • To assess patency rates and reocclusion in femoropopliteal lesions treated with stents.

Main Methods:

  • Prospective follow-up of 21 patients undergoing PTA and stenting for femoropopliteal lesions.
  • Average follow-up of 17.6 months.
  • Utilized angiographic, Doppler ultrasound, and clinical examinations.

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Main Results:

  • Successful stent placement in 21 of 22 lesions.
  • Overall reocclusion rate of 43% at study end.
  • Primary patency rate was 49% at 12 months; secondary patency was 67% after secondary intervention.

Conclusions:

  • Self-expandable endoprostheses do not appear to decrease reocclusion rates following femoropopliteal PTA.
  • Stent use is primarily indicated for acute closures post-PTA.
  • Intimal hyperplasia occurred in some patients, necessitating further procedures.