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Percutaneous atherectomy--early experience in Sheffield.

A M Belli¹, D C Cumberland

¹Department of Radiology, Northern General Hospital, Sheffield, UK.

Clinical Radiology

|March 1, 1989

Summary

A new atherectomy catheter effectively treats femoral artery stenosis, significantly reducing blockages with minimal recurrence. This mechanical atheroma removal shows promise for tough, calcified lesions, though further study is needed compared to balloon angioplasty.

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Area of Science:

Vascular Surgery
Interventional Cardiology
Medical Device Technology

Background:

Percutaneous transluminal angioplasty (PTA) is standard for arterial stenoses but faces recurrence challenges.
Atherectomy offers mechanical removal of atheroma for lumen enlargement.

Purpose of the Study:

To evaluate the efficacy and safety of a novel atherectomy catheter for femoral artery stenosis.
To assess the potential of atherectomy in treating calcified and complex arterial lesions.

Main Methods:

Atherectomy catheter treatment of 14 femoral artery lesions.
Measurement of diameter stenosis before and after the procedure.
Clinical follow-up ranging from 3 to 15 months (mean 9 months).

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Main Results:

Mean diameter stenosis reduced from 88% to 15%.
No procedural complications were reported.
Only one recurrence observed during the follow-up period.

Conclusions:

Atherectomy catheterization is a safe and effective method for treating femoral artery stenosis.
The device shows potential for managing calcified and challenging arterial lesions.
Further research is required to compare atherectomy's long-term benefits against balloon angioplasty.