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Experience with thoracoabdominal aortic aneurysm resection

M T Janusz1

  • 1Department of Surgery, University of British Columbia, Vancouver, Canada.

American Journal of Surgery
|May 1, 1994
PubMed
Summary

Thoracoabdominal aortic aneurysm resection is complex but feasible. Heparinless perfusion may reduce risks like paraplegia and renal failure, improving outcomes for these challenging aortic aneurysm cases.

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Area of Science:

  • Vascular Surgery
  • Cardiovascular Surgery
  • Aortic Aneurysm Research

Background:

  • Thoracoabdominal aortic aneurysms (TAAAs) are complex vascular conditions requiring surgical intervention.
  • Historically, TAAA resection has been associated with significant morbidity and mortality.
  • Understanding surgical techniques and their impact on outcomes is crucial for improving patient care.

Purpose of the Study:

  • To evaluate the outcomes of thoracoabdominal aortic aneurysm resections performed between 1984 and 1993.
  • To assess the impact of different surgical perfusion methods on patient complications.
  • To identify factors influencing mortality and serious complications in TAAA repair.

Main Methods:

  • Retrospective review of 48 thoracoabdominal aortic aneurysm resections.
  • Analysis of patient demographics, aneurysm types, symptoms, and operative details.
  • Comparison of outcomes based on surgical techniques, including simple aortic cross-clamping, Gott shunt, and heparinless left-heart bypass.

Main Results:

  • Overall mortality was 14.6% (7/48), with higher rates in ruptured aneurysms (40%).
  • Serious complications included paraparesis (5%), renal failure (5%), stroke (2%), and bleeding (12%).
  • Heparinless left-heart bypass was used in 24 patients, with potential benefits in reducing paraplegia and renal failure.

Conclusions:

  • Thoracoabdominal aortic aneurysm resection is a challenging procedure with acceptable risks in select patients.
  • Heparinless distal perfusion may be a valuable technique for minimizing paraplegia and renal failure.
  • Continued research into surgical strategies is essential for optimizing TAAA treatment outcomes.

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