Long-term results and durability of the CoreValve transcatheter aortic bioprosthesis: outcomes beyond five years

EuroIntervention 2019;14:1639-1647 published online December 2018. DOI: 10.4244/EIJ-D-18-00779

Roberta Antonazzo Panico
Roberta Antonazzo Panico*, MD; Cristina Giannini, MD, PhD; Marco De Carlo, MD, PhD; Marco Angelillis, MD; Paolo Spontoni, MD; Andrea Pieroni, MD; Giulia Costa, MD; Pietro Bertini, MD; Fabio Guarracino, MD; Anna Sonia Petronio, MD
Vascular and CardioThoracic Department, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy

Aims: The aim of this study was to determine the long-term outcomes of high-risk patients who underwent transcatheter aortic valve implantation (TAVI) with the third-generation CoreValve device, according to the 2017 EAPCI/ESC/EACTS definition of valve durability.

Methods and results: Between 2007 and 2013, 278 consecutive patients were enrolled in our prospective single-centre CoreValve registry (mean age 82±6 years, mean STS score 6.4±5.0%). The median follow-up of survivors was 6.8 years. The Cox proportional hazards model was used to identify independent predictors of HF rehospitalisation and all-cause mortality. Predictors of HF rehospitalisation were LVEF, MR and PVL at the last echocardiographic follow-up. The majority of patients were in NYHA Class I or II and showed mild/trivial paravalvular leak throughout follow-up. Mean pressure gradients remained stable over time. The overall crude cumulative incidences of structural valve deterioration and bioprosthetic valve failure were 3.6% and 2.5%, respectively.

Conclusions: Although overall mortality was high in this elderly patient cohort, the CoreValve bioprosthesis showed good durability at seven-year follow-up.

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aortic stenosiselderly (>75 years)tavivalve restenosis
Interventions for valvular diseaseTAVI
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