Related Experiment Videos
Surveillance for recurrent stenosis after endovascular procedures. A prospective study
B V Miller1, W J Sharp, A R Shamma
1Department of Surgery, University of Iowa College of Medicine, Iowa City.
Archives of Surgery (Chicago, Ill. : 1960)
|July 1, 1991
Summary
Endovascular procedures for peripheral artery disease show an 89.8% immediate success rate but a high 9-month restenosis rate of 45.4%, suggesting caution in widespread adoption.
Area of Science:
- Vascular Surgery
- Interventional Radiology
Background:
- Peripheral artery disease (PAD) affects aortoiliac and infrainguinal arteries.
- Endovascular interventions are increasingly used for PAD treatment.
Purpose of the Study:
- To evaluate the early outcomes and restenosis rates of endovascular procedures for PAD.
- To assess the efficacy of various endovascular techniques in treating PAD.
Main Methods:
- Prospective study of 89 endovascular procedures over 1 year.
- Techniques included balloon angioplasty, laser-assisted balloon angioplasty, and atherectomy.
- Preoperative and postoperative surveillance included clinical evaluation, pressure measurements, and duplex ultrasonography.
Main Results:
- Indications included claudication (65.2%), critical ischemia (30.3%), and failing bypass (4.5%).
- Immediate technical success rate was 89.8%.
- Nine-month patency rate was 45.4%, indicating significant restenosis.
Conclusions:
- Endovascular procedures for PAD achieve high initial success but are associated with substantial restenosis rates.
- Further critical studies are needed before widespread acceptance of these techniques.