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44 Can the principles of aortic root surgery in adults be safely applied to children
  1. A Ayoubi,
  2. J McGuinness,
  3. L Nolke,
  4. M Redmond
  1. Our Ladies Children’s Hospital, Dublin, Ireland

Abstract

Objective Surgical algorithms for aortic root disease are established in adults. The root of children needs to have a potential for somatic growth, therefore a spectrum of techniques can be used to reconstruct the root. This study reviews a national experience in 50 consecutive paediatric patients requiring aortic root repair, and evaluates the efficacy of our treatment algorithm in this age group.

Methods All aortic root procedures at our institution from 2001–2014 were reviewed. Follow-up was 100% complete. Patients undergoing aortic valve repair only (n = 7) or Ross/Konno procedures (n = 5) were excluded.

Results There were 27 male patients. Mean age at surgery was 14.5 years (range: 4 weeks-18 years); mean weight was 46.1 kg (range: 3.5–105 kg). The predominant pathology was mixed disease of aortic stenosis (AS) / aortic incompetence (AI) in 28/50, (AI) in 13/50 and (AS) in 1/50. Aortic root dilatation (6 Marfan’s + 2 Loeys-Dietz syndrome) was the dominant pathology in 8/50 patients. 30/50 patients underwent a Ross procedure; 12/50 patients underwent aortic root replacement (ARR) with aortic homograft/biocomposite graft; 8/50 patients underwent David valve-sparing aortic root replacement (VSARR). There was 1 perioperative death (2%) with a 5 year actuarial survival of 98%. Mean follow up was 3.96 years (range: 0.1–11.6 years). There were no late mortalities.

Re-intervention was required in 4/50 (8%); 1 Ross patient required (VSARR) for autograft dilatation, 2 required redo (ARR) with a composite graft for acute homograft failure, and 1 (VSARR) patient required mechanical AVR for AI.

Conclusion Aortic root surgery in children can be accomplished with low rates of early-mid term re-intervention and mortality. Our experience confirms the applicability of adult treatment principles, and highlights the need for versatility in surgical technique in children.

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