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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Surgical relief of supravalvular aortic stenosis

Vincent Le1, Amine Mazine1, Stephanie Perrier1,2,3

  • 1Department of Cardiac Surgery, Royal Children’s Hospital, Melbourne, Australia

Multimedia Manual of Cardiothoracic Surgery : MMCTS
|July 30, 2026
PubMed

Insights

This study details the surgical repair of supravalvular aortic stenosis in a 10-month-old infant. The condition was linked to a genetic elastin gene deletion, highlighting the importance of timely intervention.

Area of Science:

  • Cardiovascular Surgery
  • Medical Genetics
  • Pediatric Cardiology

Background:

  • Supravalvular aortic stenosis (SAS) is a congenital heart defect.
  • Genetic factors, such as elastin gene deletions (7q11.23), can cause SAS.
  • Early diagnosis and intervention are crucial for affected infants.

Purpose of the Study:

  • To describe the surgical management of a pediatric patient with SAS.
  • To highlight the genetic etiology of SAS in this case.
  • To report on the outcomes of surgical repair and aortic valve reconstruction.

Main Methods:

  • Surgical repair of supravalvular aortic stenosis.
  • Aortic valve repair procedure.
  • Ascending aorta enlargement technique.
  • Genetic analysis for elastin gene deletion.

Main Results:

  • Successful elective repair of supravalvular aortic stenosis.
  • Successful aortic valve repair.
  • Successful ascending aortic enlargement.
  • Patient managed for a maternally inherited elastin gene deletion.

Conclusions:

  • Surgical repair is effective for supravalvular aortic stenosis caused by elastin gene deletions.
  • Multifaceted surgical approach can address complex aortic abnormalities.
  • Genetic diagnosis is important for understanding and managing SAS.

Keywords:
AortaAortic valve repairSupravalvular stenosis

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