Multicentre Experience with Valve-sparing Aortic Root Replacement by Means of Combined Remodelling and External Aortic Ring Annuloplasty in Patients with Marfan Syndrome

Overview

Journal Interdiscip Cardiovasc Thorac Surg

Publisher Oxford University Press

Specialties Cardiology & Vascular Diseases
General Surgery
Pulmonary Medicine

Date 2023 Dec 18

PMID 38109664

Authors

Ryan E Accord

Gianclaudio Mecozzi

Jan J J Aalberts

Jan Nijs

Mimi Ter Weeme

Egidius E H L van Aarnhem

Massimo A Mariani

Maarten P van den Berg

Affiliations

Soon will be listed here.

Abstract

Objectives: The most recent valve-sparing root replacement technique combines the advantages of the reimplantation (David) and remodelling (Yacoub) techniques. The aortic root is reconstructed according to the remodelling technique, the aortic valve is repaired according to the principle of effective height, and an external ring provides annular support. The purpose of this study was to evaluate operative and mid-term outcomes using this technique in patients with Marfan syndrome.

Methods: Adult patients with Marfan syndrome who had an indication for aortic root surgery according to European Society of Cardiology guidelines and were operated on using this new root replacement technique were retrospectively evaluated. Follow-up was obtained from standard outpatient visits and included echocardiography.

Results: The study group comprised 22 patients (mean age 36 years, 68% males). Mean follow-up was 7.5 years. There were no mortalities. Two patients required aortic valve replacement because of aortic regurgitation. In both patients, the aortic root was severely dilated (≥65 mm) preoperatively, with grade III aortic valve regurgitation and aortic valve cusps that were very fragile. Aortic regurgitation was grade ≤I on follow-up in 18 of the remaining 20 patients.

Conclusions: Valve-sparing root replacement using remodelling combined with aortic-ring annuloplasty is safe in patients with Marfan syndrome. The mid-term outcome is promising in patients undergoing elective valve-sparing root replacement at recommended root diameters. However, in patients with extremely dilated aortic roots and already severe aortic regurgitation, the technique should be used cautiously as aortic cusps are fragile and might not be suitable for durable repair.

Clinical Registration Number: UMCG Research registry #11208.

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