Minimally invasive repair of atrial septal defects

M D Black1, R M Freedom

  • 1Division of Cardiovascular Surgery, The Hospital for Sick Children and The University of Toronto, Ontario, Canada. michael.black@mailhub.sickkids.on.ca

Insights

This study explored a minimally invasive cardiac surgery technique for pediatric atrial septal defect repair, achieving excellent cosmetic results and safety. The approach offers a viable alternative for young patients needing heart defect correction.

Area of Science:

  • Pediatric Cardiac Surgery
  • Minimally Invasive Techniques
  • Congenital Heart Disease

Background:

  • Evolving minimally invasive pediatric cardiac surgical techniques face challenges from percutaneous devices for congenital heart disease.
  • The demand for "incisionless" operations must be balanced with procedural safety.

Purpose of the Study:

  • To evaluate a modified minimally invasive technique for pediatric atrial septal defect repair.
  • To assess the safety and cosmetic outcomes of this surgical approach.

Main Methods:

  • Twenty-three pediatric patients with atrial septal defects underwent repair using a partial sternal split and a limited skin incision (5-7 cm).
  • Procedures were performed between July 1995 and October 1996.

Main Results:

  • The average patient age was 6 years and 2 months, with an average weight of 23.3 kg.
  • Average cardiopulmonary bypass time was 35 minutes.
  • Twenty-two patients had ostium secundum defects and one had a sinus venosus defect, with no operative or late deaths. Average hospital stay was 3.6 days.

Conclusions:

  • This modified technique provides an effective cosmetic alternative to traditional submammary and thoracotomy approaches.
  • Advantages include excellent cosmetic results across all age groups.
  • It offers the security of mediastinal access and the option for full sternotomy if necessary.
Abstract