Surgery for aortic insufficiency associated with ventricular septal defect

Chareonkiat Rergkliang1, Vorawit Chittithavorn, Apirak Chetpaophan

  • 1Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Prince of Songkla University, Songkhla 90110, Thailand. chareonkiat@yahoo.com

Insights

A novel aortic valve repair using pericardial strips effectively treats severe aortic insufficiency (AI) in children with ventricular septal defects (VSD). This technique shows promising short-term results, improving blood pressure and reducing AI severity.

Area of Science:

  • Pediatric Cardiac Surgery
  • Aortic Valve Repair
  • Congenital Heart Defects

Background:

  • Aortic valve repair in pediatric patients presents significant surgical challenges.
  • Severe aortic insufficiency (AI) often coexists with congenital heart defects like ventricular septal defects (VSD).

Purpose of the Study:

  • To evaluate the short-term outcomes of a specific aortic valve repair technique in children.
  • To assess the efficacy of single aortic cusp extension with autologous pericardium in patients with AI and VSD.

Main Methods:

  • A cohort of seven pediatric patients with severe AI and VSD underwent aortic valve repair between 2002 and 2003.
  • The technique involved single aortic cusp extension using an autologous pericardial strip, with VSD closure via a synthetic patch.
  • Repairs were performed on the right coronary cusp (6 patients) or non-coronary cusp (1 patient).

Main Results:

  • Mean patient age was 11.28 years.
  • Significant improvement in mean diastolic arterial pressure post-operation (35.71 to 74.28 mm Hg, p < 0.001).
  • Postoperative AI was trivial (4 patients), mild (1 patient), or non-existent (2 patients) at a mean follow-up of 12.85 months.

Conclusions:

  • Single aortic cusp extension with autologous pericardium is a highly effective short-term solution for severe AI associated with VSD in children.
  • Long-term durability of this aortic valve repair technique requires ongoing monitoring and evaluation.

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