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[Palliation for univentricular hearts]

Y Shimazaki1

  • 1Department of Surgery 1, Osaka University School of Medicine.

Rinsho Kyobu Geka = Japanese Annals of Thoracic Surgery
|June 1, 1994
PubMed
Summary

Bidirectional Glenn (BDG) palliation is a superior bridge to Fontan operation for univentricular hearts compared to systemic-to-pulmonary shunts, reducing mortality and improving candidacy for the Fontan procedure.

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Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Surgery
  • Cardiac Palliative Care

Context:

  • Univentricular hearts (UVH) present complex challenges in pediatric cardiac surgery.
  • Palliative operations serve as crucial interim steps towards definitive repair, such as the Fontan operation.
  • Evaluating the efficacy of different palliative strategies is essential for improving outcomes in UVH patients.

Purpose:

  • To assess the effectiveness of pulmonary artery banding (PAB) and systemic-to-pulmonary (S-P) shunts as initial palliative procedures for UVH.
  • To compare the outcomes of PAB and S-P shunts as bridges to the Fontan operation.
  • To determine the optimal timing and type of palliation to minimize complications and enhance Fontan candidacy.

Summary:

  • Palliative operations were evaluated in 44 patients with univentricular hearts.
  • Pulmonary artery banding (13 patients) and systemic-to-pulmonary shunts (27 patients) were analyzed as initial palliation.
  • Bidirectional Glenn (BDG) demonstrated better outcomes, with increased Fontan candidacy and reduced mortality compared to S-P shunts, which were associated with increased atrioventricular valvular regurgitation.

Impact:

  • The study suggests that Bidirectional Glenn (BDG) should be performed before atrioventricular valvular regurgitation increases.
  • BDG is identified as a more effective bridge to Fontan operation, improving patient selection and survival.
  • These findings can guide surgical decision-making for palliating univentricular hearts, optimizing pathways to the Fontan procedure.

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