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Recurrent aortic occlusion

S S Tapper1, W H Edwards, W H Edwards

  • 1Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee.

The American Surgeon
|February 1, 1994
PubMed
Summary
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Recurrent aortic occlusions (RAO) can occur after revascularization, often in aortobifemoral grafts. Prompt treatment with anticoagulation, arteriography, and revascularization prevents limb loss and perioperative death.

Area of Science:

  • Vascular Surgery
  • Cardiovascular Research

Background:

  • Aortic occlusion poses significant risks, including recurrent events after initial treatment.
  • Understanding the patterns and outcomes of recurrent aortic occlusions (RAO) is crucial for improving patient management.

Purpose of the Study:

  • To analyze the incidence, characteristics, and outcomes of recurrent aortic occlusions (RAO) in patients previously treated for primary aortic occlusion.
  • To evaluate the effectiveness of secondary surgical interventions for RAO.

Main Methods:

  • Retrospective review of 134 aortic occlusions in 123 patients.
  • Analysis of patients who developed RAO after revascularization.
  • Evaluation of primary and secondary surgical procedures, including aortobifemoral bypass and extra-anatomic bypass.

Related Experiment Videos

  • Assessment of management strategies including anticoagulation, arteriography, and revascularization.

    • Main Results:

    • Ten out of 123 patients (8.1%) experienced recurrent aortic occlusions (RAO).
    • RAO occurred primarily in aortobifemoral grafts (10 out of 11 cases).
    • All patients managed with anticoagulation, arteriography, and revascularization had successful outcomes with no perioperative deaths or limb loss.

    Conclusions:

    • Recurrent aortic occlusions (RAO) are a notable complication, particularly in aortobifemoral grafts.
    • Prompt and aggressive management, including revascularization, is effective in treating RAO and preserving limbs.
    • Extra-anatomic bypass and redo aortobifemoral bypass are durable and useful secondary treatment options for selected patients.