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Juxtarenal aortic occlusion.

S S Tapper1, J M Jenkins, W H Edwards

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

Annals of Surgery
|May 11, 1992
PubMed
Summary
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This study on aortic occlusion found that acute presentations had significantly higher mortality than chronic cases. Treatment and outcomes for aortic occlusion depend critically on its cause and presentation pattern.

Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine

Background:

  • Aortic occlusion is a serious condition with varying clinical presentations.
  • Understanding these presentations is crucial for effective management and improved patient outcomes.

Purpose of the Study:

  • To review the authors' experience with aortic occlusions over 26 years.
  • To analyze the distinct patterns of presentation, perioperative mortality, and long-term outcomes.
  • To determine the impact of presentation type on patient prognosis.

Main Methods:

  • Retrospective review of 113 aortic occlusions in 103 patients (1965-1991).
  • Classification of patients into three groups based on presentation: acute aortic occlusion, chronic aortic occlusion, and aortic graft occlusion.
  • Analysis of perioperative mortality rates and long-term outcomes for each group.

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Main Results:

  • Three presentation groups identified: acute (n=26), chronic (n=66), and graft occlusion (n=21).
  • Perioperative mortality rates were 31% (acute), 9% (chronic), and 4.7% (graft), with significant differences between acute and the other two groups (p=0.009, p=0.015).
  • Acute occlusion led to poor outcomes due to metabolic insults; chronic occlusion had good long-term results; graft occlusion patients also fared well due to collateral circulation.

Conclusions:

  • The presentation pattern of aortic occlusion significantly influences perioperative mortality.
  • Acute aortic occlusion carries a substantially higher risk compared to chronic occlusion or graft occlusion.
  • Effective management and prognosis of aortic occlusion are contingent upon the underlying cause and clinical presentation.