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Related Experiment Videos

Preoperative shock determines outcome for acute type A aortic dissection.

Stewart M Long1, Curtis G Tribble, Daniel P Raymond

  • 1Division of Thoracic and Cardiovascular Surgery, Department of Surgery, University of Virginia Health System, Charlottesville, Virginia, USA.

The Annals of Thoracic Surgery
|February 28, 2003
PubMed
Summary

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Acute type A aortic dissection is a serious condition. Hemodynamic instability significantly impacts operative mortality, while surgical technique does not affect survival or reoperation rates.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Disease

Background:

  • Acute type A aortic dissection presents a critical surgical challenge with historically stagnant outcomes.
  • Despite advancements, surgical results for this condition remain a significant concern.

Purpose of the Study:

  • To evaluate surgical outcomes and mortality predictors for acute type A aortic dissection.
  • To assess the impact of surgical techniques on survival and reoperation rates.

Main Methods:

  • Retrospective review of 70 patients surgically treated for acute type A aortic dissection between January 1988 and April 2001.
  • Analysis of operative mortality, reoperation rates, and predictors of survival, comparing "closed" and "open" surgical techniques.

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Main Results:

  • Operative mortality was 18.6%, with preoperative shock being a significant predictor of mortality (50% vs. 9%).
  • Hemodynamic stability and outside transfer were negative predictors of mortality.
  • Late reoperation rates were comparable between "closed" (26%) and "open" (18%) techniques, with 21% undergoing future aortic aneurysmal repair.

Conclusions:

  • Preoperative hemodynamic instability is the primary determinant of operative mortality in acute type A aortic dissection.
  • Surgical technique did not influence survival or late reoperation rates.
  • Emphasizes the critical need for early diagnosis and prompt surgical intervention to improve patient survival.