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[Palliative arterial switch]

J M Caffarena Calvar1, J M Gómez-Ullate, J I Carrasco Moreno

  • 1Cirugía Cardíaca Pediátrica, Hospital Infantil La Fe. Valencia.

Revista Espanola De Cardiologia
|March 1, 1996
PubMed
Summary
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This study details a novel palliative surgery for complex congenital heart defects in neonates, including transposition of the great arteries. The arterial switch procedure offers a promising solution for improving outcomes in infants with severe cardiac anomalies.

Area of Science:

  • Cardiology
  • Pediatric Cardiac Surgery

Background:

  • Complex congenital heart disease presents significant surgical challenges in neonates.
  • Transposition of the great arteries (TGA) with associated defects requires innovative palliative strategies.

Observation:

  • A neonate with (S,D,L)-transposition of the great arteries, multiple VSDs, hypoplastic right ventricle, subaortic obstruction, and hypoplastic aortic arch with coarctation was treated.
  • A one-stage palliative surgery involving aortic arch reconstruction and an arterial switch procedure was successfully performed.

Findings:

  • The arterial switch procedure effectively relocated the subaortic obstruction to a subpulmonary position.
  • Reconstruction of the aortic arch and creation of a natural aortic root from the dominant ventricle yielded satisfactory results.

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  • Establishing right ventricle-pulmonary artery continuity may facilitate future biventricular repair.

    • Implications:

    • This palliative approach is recommended for neonates with severe ventricular disbalance, ventriculoarterial discordance, and subaortic stenosis.
    • Experienced surgical teams can achieve favorable outcomes using this arterial switch technique in complex newborn cardiac cases.
    • This strategy offers a potential pathway towards biventricular repair in select pediatric cardiac surgery patients.