Evaluation of the pullback atherectomy catheter in the treatment of lower limb vascular disease

S Grubnic1, S D Heenan, T M Buckenham

  • 1Department of Diagnostic Radiology, St. George's Hospital, London SW17 0QT, United Kingdom.

Insights

The Pullback Atherectomy Catheter (PAC) shows high technical success for lower limb vascular disease. However, it often requires additional balloon angioplasty for optimal results.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Medical Devices

Background:

  • Lower limb vascular disease, particularly femoropopliteal atherosclerosis, poses significant clinical challenges.
  • Atherectomy devices aim to improve arterial lumen diameter and blood flow.
  • The Pullback Atherectomy Catheter (PAC) is a tool for endovascular intervention.

Purpose of the Study:

  • To prospectively assess the technical success and 1-year patency of the Pullback Atherectomy Catheter (PAC).
  • To evaluate the PAC's efficacy in treating femoropopliteal atherosclerotic disease, graft neointimal hyperplasia, and dissection flaps.

Main Methods:

  • Thirty-nine PAC procedures were performed in 34 patients with lower limb vascular disease.
  • Follow-up included ankle-brachial indices and arteriography at specified intervals.
  • Assessment focused on technical success, lumen improvement, and complications.

Main Results:

  • Technical success was achieved in 97.4% of procedures (38 out of 39).
  • Mean stenosis decreased significantly, but 69.2% of cases needed adjunctive balloon angioplasty.
  • Complications occurred in 15.4% of procedures, with a third requiring surgical intervention.

Conclusions:

  • The PAC is user-friendly and relatively safe for treating lower limb vascular disease.
  • It necessitates additional percutaneous transluminal angioplasty (PTA) to achieve a satisfactory arterial lumen.
  • The PAC demonstrated effectiveness in treating graft neointimal hyperplasia and intimal flaps post-PTA.
Abstract

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