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Pedal bypass for limb salvage.

R Staffa1, J Leypold, Z Kríz

  • 12nd Department of Surgery, St. Anne's Teaching Hospital Brno, Faculty of Medicine Masaryk University Brno, Brno, Czech Republic. robert.staffa@fnusa.cz

Acta Chirurgica Belgica
|December 1, 2005
PubMed
Summary

Pedal bypass grafting effectively saves limbs in critical lower limb ischemia patients, even with non-visualized arteries. This vascular reconstruction offers excellent long-term graft patency and limb salvage rates.

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Area of Science:

  • Vascular Surgery
  • Vascular Medicine
  • Cardiovascular Research

Background:

  • Pedal bypass grafting is a crucial limb salvage technique for chronic critical lower limb ischemia.
  • It addresses atherosclerotic obliteration of crural arteries, often in patients with diabetic foot gangrene.
  • The procedure involves arterial reconstruction with distal anastomosis to pedal arteries.

Purpose of the Study:

  • To evaluate the safety and long-term outcomes of pedal bypass grafting.
  • To assess the efficacy of pedal bypass in patients with chronic critical lower limb ischemia.
  • To determine limb salvage and graft patency rates in this patient population.

Main Methods:

  • A retrospective analysis of 54 pedal bypasses performed between January 2000 and June 2004.
  • Inclusion of patients with chronic critical lower limb ischemia, including those with gangrene, ischemic ulcers, and diabetes.
  • Assessment of preoperative angiographic findings, including visualization of the plantar arch.

Main Results:

  • Cumulative primary and secondary graft patency rates at 54 months were 76% and 78%, respectively.
  • The limb-salvage rate at 54 months was 81%.
  • Perioperative mortality was 3.8%, with successful limb salvage in most cases despite challenging angiographic findings.

Conclusions:

  • Pedal bypass grafting is a safe and effective procedure with favorable long-term outcomes.
  • The absence of visualized pedal arteries or plantar arch on angiography should not preclude vascular reconstruction.
  • Distinguishing between actual and "angiographic" absence of the plantar arch is important for surgical decision-making.

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