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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Transcatheter right ventricular outflow tract stenting in children with postoperative infundibular stenosis and

Bhavesh Thakkar1, Tarun Madan, A J Ashwal

  • 1Department of Pediatric Cardiology, UN Mehta Institute of Cardiology and Research Centre, Ahmedabad, 380016 Gujarat, India. bthakkarin@yahoo.co.in

The Journal of Invasive Cardiology
|July 2, 2013
PubMed

Insights

Transcatheter stent implantation effectively treats right ventricular outflow tract obstruction in children. This approach preserves native pulmonary valve function, offering a safe alternative to surgery for recurrent congenital heart disease.

Area of Science:

  • Pediatric Cardiology
  • Interventional Cardiology
  • Congenital Heart Disease

Background:

  • Right ventricular outflow tract (RVOT) obstruction is a common complication after congenital heart disease repair, often requiring reintervention.
  • Transcatheter stent implantation is an established treatment for RVOT obstruction, but concerns exist regarding pulmonary regurgitation.
  • Literature on isolated infundibular stenting preserving pulmonary valve function is limited.

Observation:

  • This study reports on two pediatric patients with infundibular stenosis post-congenital heart disease repair.
  • Transcatheter stent implantation was performed specifically within the infundibulum, avoiding the native pulmonary valve.

Findings:

  • The transcatheter stent implantation procedure was found to be safe and feasible in both cases.
  • The intervention successfully addressed infundibular stenosis while preserving native pulmonary valve function.

Implications:

  • Transcatheter RVOT stenting, particularly isolated infundibular stenting, presents a viable and potentially valve-sparing option for managing recurrent obstruction.
  • This technique may reduce the need for further interventions related to pulmonary valve damage.
  • Further research is warranted to evaluate long-term outcomes and expand this approach to a larger patient cohort.

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