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Related Experiment Videos

Extra-anatomic bypass: a closer view.

R B Rutherford1, A Patt, W H Pearce

  • 1Department of Surgery, University of Colorado Health Sciences Center, Denver 80262.

Journal of Vascular Surgery
|November 1, 1987
PubMed
Summary
This summary is machine-generated.

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Extra-anatomic bypasses like femorofemoral, axillobifemoral, and axillounifemoral have varying outcomes. Patency rates depend heavily on patient selection and outflow artery condition, impacting clinical application.

Area of Science:

  • Vascular Surgery
  • Surgical Outcomes Research

Background:

  • Extra-anatomic bypasses are critical for limb salvage when direct reconstruction is not feasible.
  • Understanding the comparative outcomes of different extra-anatomic bypass configurations is essential for optimal patient management.

Purpose of the Study:

  • To analyze and compare the operative mortality, hemodynamic failure, and long-term patency rates of femorofemoral, axillobifemoral, and axillounifemoral bypasses.
  • To identify factors influencing the success of these bypasses, particularly outflow artery status and patient selection criteria.

Main Methods:

  • Retrospective analysis of 60 femorofemoral, 27 axillobifemoral, and 15 axillounifemoral bypass procedures.
  • Evaluation of operative mortality, initial hemodynamic failure, and 5-year primary and secondary patency rates.

Related Experiment Videos

  • Subgroup analysis based on indication for surgery (e.g., nonocclusive disease, graft failure) and outflow artery status (good vs. poor runoff).

    • Main Results:

    • Operative mortality: 0% (femorofemoral), 11% (axillobifemoral), 13% (axillounifemoral).
    • 5-year primary patency: 67% (femorofemoral), 62% (axillobifemoral), 19% (axillounifemoral).
    • Patency rates were significantly influenced by outflow artery status (superficial femoral artery occlusion) and specific patient selection criteria, with adjusted rates showing considerable variation.

    Conclusions:

    • Femorofemoral bypass demonstrated favorable outcomes, especially when excluding cases of prior graft failure.
    • Axillobifemoral bypass outcomes were less favorable when excluding non-occlusive disease indications.
    • Axillounifemoral bypass showed the lowest patency rates, highlighting the importance of outflow status and careful patient selection for all extra-anatomic bypasses.