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Suprarenal aortic occlusion

S S Tapper1, W H Edwards, W H Edwards

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

Journal of Vascular Surgery
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

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Suprarenal aortic occlusion (SRAO) presents differently in chronic and acute forms. Surgical reconstruction improves outcomes for chronic SRAO, while acute SRAO has a poor prognosis with current salvage methods.

Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine
  • Nephrology

Background:

  • Suprarenal aortic occlusion (SRAO) is a rare but serious condition.
  • Understanding its clinical manifestations and treatment efficacy is crucial for patient outcomes.

Purpose of the Study:

  • To elucidate the clinical manifestations of SRAO.
  • To determine the efficacy of surgical treatment for SRAO.

Main Methods:

  • Retrospective review of 135 patients with aortic occlusion.
  • Identification of 16 patients (12%) with SRAO.
  • Subgroup analysis based on chronicity of SRAO.

Main Results:

  • Chronic SRAO (13 patients) presented with uncontrolled hypertension and claudication. Surgical treatments included renal reconstructions, nephrectomies, and bypasses, with a 23% operative mortality.

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  • Acute SRAO (3 patients) manifested as lower extremity ischemia and acute renal failure. Salvage procedures had a high mortality rate, with one patient surviving bypass.
  • Surgical interventions for chronic SRAO aimed at aortic and renal reconstruction.

    • Conclusions:

    • Chronic SRAO should be suspected in patients with absent femoral pulses and refractory hypertension.
    • Aortic and renal reconstruction can improve hypertension control and claudication in chronic SRAO.
    • Acute SRAO is a multisystem disorder with poor outcomes, even with salvage procedures.