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Related Experiment Videos

[Aortic root replacement employing Cabrol and Piehler techniques]

S Sekine1, T Abe, R Kuribayashi

  • 1Department of Cardiovascular Surgery, Akita University School of Medicine, Japan.

[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|June 1, 1996
PubMed
Summary
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Aortic root replacement with valve-bearing composite grafts and coronary perfusion grafts showed no late pseudoaneurysm. The Piehler technique facilitated coronary reattachments, though late coronary ostial stenosis requires careful follow-up to prevent cardiac events.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Surgical Techniques

Context:

  • Aortic root replacement is a complex procedure for conditions like annulo-aortic ectasia and aortic dissection.
  • Coronary artery reattachment is a critical step in maintaining myocardial perfusion during aortic root surgery.
  • Evaluating different surgical techniques for aortic root reconstruction is essential for improving patient outcomes.

Purpose:

  • To compare the outcomes of aortic root replacement using the Cabrol and Piehler techniques with valve-bearing composite grafts and coronary perfusion grafts.
  • To assess the incidence of technical complications, hospital mortality, and late adverse events associated with each surgical approach.
  • To evaluate the long-term patency and complications of coronary artery reattachments.

Summary:

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  • Twenty-four patients underwent aortic root replacement using valve-bearing composite grafts and coronary perfusion grafts between 1982 and 1994.
  • The Cabrol operation (n=16) had a higher rate of coronary reattachment complications (25%) and hospital mortality (16.7%) compared to the Piehler operation (n=8, 12.5% complication rate).
  • No hospital survivors experienced pseudoaneurysm or anastomotic stenosis; however, one late case of coronary ostial stenosis occurred after the Piehler operation, necessitating bypass grafting.

Impact:

  • Aortic root replacement with coronary perfusion grafts ensures sound coronary anastomoses without late pseudoaneurysm.
  • The Piehler technique appears to facilitate coronary reattachments, reducing the risk of graft kinking or torsion.
  • Late coronary ostial stenosis is a potential cause of fatal myocardial infarction and sudden death, highlighting the need for vigilant patient follow-up after these procedures.