Midterm results of the Ross procedure in a pediatric population: bicuspid aortic valve is not a contraindication.

Pediatric Cardiology
S El BeheryCaroline Ovaert

Abstract

Our objective was to analyze retrospectively the short- and midterm results of the Ross operation in children and the impact of bicuspid aortic valve (BAV) disease on outcome. From 1991 to 2003, 41 patients (26 male, 15 female) underwent a Ross procedure. Aortic disease was congenital in all but one. Sixty-six percent had BAV. Mean age at operation was 10.13 +/- 5.6 years (range, 0.4-18.3 years). Root replacement technique was performed in all but two (inclusion technique). There were two early deaths. Mean follow-up was 6 +/- 3.8 years (range, 0.1-14 years). The autograft (neo-aorta) presented absent, trivial, mild, and moderate regurgitation in 42%, 46%, 10%, and 2%, respectively, at latest follow-up. Root dilation was seen in 64% of the patients (mean Z-score, +3.53 +/- 0.04). Four patients (9%) required allograft replacement, two for endocarditis and two for stenosis. Allograft stenosis (gradient >20 mmHg) was detected in 44% of the remaining patients, without symptoms or the need for reintervention. Estimated freedom from allograft replacement at 5 and 10 years was 97% and 89%. Left ventricular dimensions and function were normal in all patients. No difference was found between patients with BAV and those with tricuspid ao...Continue Reading

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