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Orthotopic Heart Transplantation following univentricular palliation: new challenges for the congenital cardiac surgeon

Background/Introduction

Orthotopic heart transplantation after univentricular palliation presents a difficult challenge due to the complex anatomy and prior surgeries.

Aims/Objectives

We present our surgical techniques/results in the current era.

Method

2013-2014: 23 congenital cardiac patients underwent heart transplantation. 13 of them: previous univentricular palliation: hypoplastic left heart syndrome (n = 8), d-transposition of great arteries+criss-cross-heart (n = 1), unbalanced atrioventricular septal defect (n = 1), pulmonary atresia+intact ventricular septum (n = 1) and grown-up patients (GUCH) (n = 2: 1 double-inlet-left-ventricle and 1 tricuspid atresia).

Results

Paediatric group (n = 11): age 7.1+/-4.8 years (range 1.5 months-13 years); weight 21.3+/-9.5 kilograms (range 3.5-36). GUCH-group (n = 2): age 23.5+/-0.5 years; weight 50+/-10.2 kilograms. 46.1% had undergone Fontan completion, 15.4% Fontan take-down, 30.7% bidirectional cavopulmonary shunt and 7.7% Blalock-Taussig shunt. Berlin-Heart-EXCOR-Paediatric-Device as bridge to transplantation was used in 1 patient. Bicaval technique was performed along with: hemiarch repair (15.3%,n = 2), pulmonary artery (PA) branches plasty (38.4%,n = 5), hilum-to-hilum PA reconstruction (53.8%,n = 7), superior venae cavae reconstruction (15.4%, n = 2) and stent removal from PA (61.5%,n = 8), inferior venae cavae (7.7%,n = 1) and lateral-tunnel-Fontan (7.7%,n = 1). Average cardiopulmonary-bypass time 257.6+/-79.3 minutes (range 120-431); total-ischemia-time 220.7+/-48.6 (range 140-287). One patient required ECMO; 4 underwent delayed sternal closure; 2 underwent diaphragm plication; 1 subacute-humoral-rejection treated with plasmapheresis. In-hospital stay 44+/-16 days (range 18-185). At follow-up (14.4+/-7.2 months), freedom from percutaneous procedures 83.3% (n = 10). 30-day mortality/follow-up mortality: zero. All of them remain with an optimal functional class.

Discussion/Conclusion

Heart transplantation following univentricular palliation is technically demanding but short-term results are excellent. An extensive surgical reconstruction (donor/heterologous tissues) is mandatory to improve outcomes. Further follow-up is necessary to evaluate the long-term results in this scenario.

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Correspondence to María-Teresa González-López.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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González-López, M., Gil-Jaurena, J., Pérez-Caballero-Martínez, R. et al. Orthotopic Heart Transplantation following univentricular palliation: new challenges for the congenital cardiac surgeon. J Cardiothorac Surg 10, A92 (2015). https://doi.org/10.1186/1749-8090-10-S1-A92

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Keywords

  • Pulmonary Artery
  • Hypoplastic Left Heart Syndrome
  • Pulmonary Atresia
  • Stent Removal
  • Orthotopic Heart Transplantation