Double-arterial cannulation during aortic arch reconstruction in pediatric patients

Michaela Kreuzer1, Eva Sames-Dolzer1, Peter Benedikt1

  • 1Division of Pediatric Cardiac Surgery Children's Heart Center Linz Linz, Austria.

Insights

A novel double-arterial cannulation technique ensures whole-body perfusion during aortic arch reconstruction in pediatric heart surgery. This safe method enhances perfusion to the brain and lower body, improving surgical outcomes.

Area of Science:

  • Congenital Heart Surgery
  • Cardiovascular Surgery
  • Pediatric Cardiac Anesthesia

Background:

  • Aortic arch reconstruction is a complex procedure in pediatric congenital heart surgery.
  • Conventional cardiopulmonary bypass methods (deep hypothermic circulatory arrest, antegrade cerebral perfusion) lead to incomplete body perfusion.
  • Lack of lower body perfusion poses risks during extended surgical procedures.

Observation:

  • A double-arterial cannulation technique was implemented at Children's Heart Center Linz in 2003.
  • This technique involves cannulating both the innominate artery and the descending aorta.
  • The descending aorta is accessed by opening the left pleural cavity and transecting the inferior pulmonary ligament.

Findings:

  • The double-arterial cannulation technique provides continuous perfusion to the brain and the entire lower body.
  • Over 450 pediatric cases (uni- and biventricular) have utilized this method without a lethal incident.
  • One instance of intraoperative descending aorta lesion was successfully repaired.

Implications:

  • This technique offers a simple, safe, and effective alternative for cardiopulmonary bypass during aortic arch reconstruction.
  • It potentially reduces complications associated with incomplete organ perfusion in complex pediatric cardiac surgeries.
  • The method facilitates improved surgical conditions and patient outcomes in congenital heart defect repairs.

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