In our study, stentless AVR and Trifecta bioprostheses had the best hemodynamic outcomes. The Perceval sutureless prosthesis provides reasonable hemodynamic performance and is a safe alternative.

In the present study, the postoperative PPM implantation rate (23%) after sutureless AVR with the Perceval S prosthesis was high. Surgical strategies aimed at mitigating this risk should be further investigated.

Surgical treatment of PVL resulted in acceptable outcomes. Nevertheless, the continued risk of PVL recurrence is higher in patients who have had multiple previous surgeries. More studies are needed to compare these results with the transcatheter PVL reduction technique.

There are no differences in mortality or major perioperative outcomes in adults undergoing an isolated Ross procedure or mechanical AVR.

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OBJECTIVES The Ross procedure in patients with aortic regurgitation (AR) has been associated with increased autograft dilatation and late reintervention. The aim of this study was to evaluate the impact of a tailored approach aimed at mitigating that risk on early changes in autograft root dimensions following the Ross procedure in patients with AR. METHODS From 2011 to 2018, 241 consecutive patients underwent a Ross procedure with >1 year of follow-up [46 (7) years]. Aortic root dimensions were prospectively measured on serial echocardiograms. Patients with aortic stenosis group (n = 171; 71%) were compared to those with AR or mixed aortic disease (AR group) (n = 70; 29%). Mean length of follow-up was 29 ± 11 months (100% complete). Changes in aortic dimensions were analysed using mixed-effect models. RESULTS At 4 years, mean indexed diameters of the annulus, sinuses of Valsalva and the sinotubular junction in the AR group were 12.3 (0.2) mm/m2, 20.0 (0.4) mm/m2 and 16.3 (0.9) mm/m2, respectively, vs 11.9 (0.2), 18.4 (0.3) and 15.5 (0.5) in the aortic stenosis group. Overall, there were no significant differences in the rates of autograft annulus, sinuses of Valsalva and sinotubular junction dimension changes between the aortic stenosis and AR groups up to 4 years after surgery (P = 0.55, P = 0.12, P = 0.59 and P = 0.48, respectively). CONCLUSIONS Use of a tailored surgical approach, combined with a strict blood pressure control, appears to mitigate clinically significant early dilatation of the autograft root following a Ross procedure in patients with AR. Further follow-up is needed to determine if this will translate into a lower incidence of long-term reintervention.

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