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Related Experiment Video

Updated: Jan 27, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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How to Control Subannular Hemorrhage during Aortic Root Enlarging Procedures.

Abdallah K Alameddine1, Brian Binnall1, Frederick T Conlin2

  • 1Division of Cardiac Surgery, Baystate Medical Center, Springfield, Massachusetts.

Aorta (Stamford, Conn.)
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Summary

A novel suture technique effectively manages bleeding after aortic root enlargement in patients with aortic stenosis. This method avoids prosthesis replacement or patch revision, preventing further interventions.

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Anesthesia
  • Thoracic Surgery

Background:

  • Aortic stenosis is a common valvular heart disease.
  • Aortic root enlargement and patch reconstruction are procedures for aortic stenosis.
  • Persistent bleeding at the aortoventricular curtain is a complication.

Purpose of the Study:

  • To describe an effective suture technique for managing subannular bleeding.
  • To address bleeding in patients with aortic stenosis and small annulus undergoing aortic root procedures.

Main Methods:

  • A specific suture technique was developed and applied.
  • The technique approximates the left atrial roof to the aortic root.
  • This was performed in four patients with aortic stenosis.

Main Results:

  • The described suture technique effectively controlled persistent subannular bleeding.
  • No re-replacement of the aortic prosthesis was necessary.
  • No revision of the patch was required.

Conclusions:

  • This suture technique offers a solution for aortoventricular curtain bleeding.
  • It is an effective alternative to reoperation in specific cases.
  • It avoids further interventions related to the aortic root, valve, or aorta.