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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Related Experiment Video

Updated: Feb 10, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Hegar-based method for aortic valve replacement in multiple valve surgery.

Marco Gennari1, Marco Agrifoglio2,3, Gabriella Ricciardi2

  • 1IRCCS Centro Cardiologico Monzino, Via Parea 4, 20138, Milan, Italy. marcogennari.md@gmail.com.

Journal of Cardiothoracic Surgery
|May 23, 2018
PubMed
Summary

A novel technique using Hegar dilators during mitral valve replacement helps maintain aortic diameter, preventing prosthesis-patient mismatch in small aortic annuli. This method proved easy and reproducible in two cases, with no complications.

Keywords:
Bivalvular replacementMitral and aortic valve replacementTricuspid repair

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Area of Science:

  • Cardiovascular Surgery
  • Surgical Techniques
  • Prosthetic Valve Implantation

Background:

  • Small aortic annuli pose a surgical challenge, increasing the risk of prosthesis-patient mismatch.
  • Accurate aortic annulus sizing is critical, particularly during complex multiple valve surgeries.

Observation:

  • A technique utilizing Hegar dilators in the aortic position during mitral valve replacement was developed.
  • This method aims to maintain the correct aortic diameter throughout the procedure.

Findings:

  • The Hegar dilator technique was successfully applied in two patients undergoing mitral valve replacement.
  • The procedure was found to be easy to perform and reproducible.

Implications:

  • This technique offers a potential solution for managing small aortic annuli and preventing prosthesis-patient mismatch.
  • It may improve outcomes in patients requiring valve surgery with challenging aortic dimensions.