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Related Experiment Videos

Primary anastomosis for acute ascending aortic dissection.

S Aoyagi1, H Akashi, Y Kubota

  • 1Second Department of Surgery, Kurume University School of Medicine, Japan.

Journal of Cardiac Surgery
|June 1, 1991
PubMed
Summary

This study presents a simple and safe surgical technique for acute aortic dissection (DeBakey I and II types). The procedure effectively treated aortic regurgitation in most patients, with favorable long-term outcomes.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Diseases

Background:

  • Acute aortic dissection is a life-threatening condition requiring prompt surgical intervention.
  • DeBakey types I and II represent significant aortic pathologies with high morbidity and mortality.
  • Aortic regurgitation (AR) is a common complication in acute aortic dissection.

Purpose of the Study:

  • To evaluate the efficacy and safety of intimal tear resection and primary aortic anastomosis for DeBakey I and II acute aortic dissection.
  • To assess the impact of this surgical technique on aortic regurgitation.
  • To report short-term and mid-term outcomes in patients undergoing this procedure.

Main Methods:

  • Eight patients with DeBakey I (n=5) and II (n=3) acute aortic dissection were treated.

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  • Intimal tear location was identified using intraoperative echocardiography.
  • Aortic valve resuspension was performed in one patient; primary anastomosis was the core technique.

    • Main Results:

    • Six of eight patients presented with moderate to severe aortic regurgitation preoperatively.
    • Postoperative AR resolved in four patients, despite aortic valve resuspension in only one.
    • Two early postoperative deaths occurred (cardiac tamponade, cerebral herniation).
    • The remaining six patients showed no late mortality, aortic root dilatation, or AR deterioration at a mean 27-month follow-up.

    Conclusions:

    • Intimal tear resection and primary aortic anastomosis is a simple, safe, and effective emergency procedure for DeBakey I and II acute aortic dissection.
    • The technique demonstrates promising results in managing associated aortic regurgitation.
    • This approach offers favorable mid-term outcomes, including preserved aortic root dimensions and absence of AR progression.