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Left ventricular mass regression after sutureless implantation of the Perceval S aortic valve bioprosthesis: preliminary results.
MedLine Citation:
PMID:  24105865     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: Left ventricular (LV) hypertrophy in aortic stenosis (AS) is considered a compensatory response helping maintain systolic function, but constitutes a risk factor for cardiac morbidity and mortality. The aim of this study was to assess the degree of LV mass regression after sutureless implantation of the Perceval S aortic valve bioprosthesis (Sorin Group, Saluggia, Italy).
METHODS: Between March 2010 and July 2012, 78 patients with symptomatic AS underwent isolated aortic valve replacement (AVR) with the Perceval bioprosthesis. Mean age was 77.1 ± 5.3 years, 46 patients were female (59%) and mean logistic EuroSCORE was 11 ± 7.5%. Echocardiography was performed preoperatively, at discharge, and at follow-up (mean 13.5 ± 7.3 months). LV mass was calculated using the Devereux formula and indexed to body surface area.
RESULTS: There was 1 in-hospital non-cardiac death and 3 late deaths. LV mass index decreased from 148.4 ± 46 g/m(2) at baseline to 119.7 ± 38.5 g/m(2) at follow-up (P = 0.002). No significant changes were observed in LV hypertrophy and/or relative wall thickness >0.42 as well as in LV ejection fraction. Mean aortic gradient decreased from 49.5 ± 15.8 mmHg at baseline to 11.6 ± 5.1 mmHg at discharge and 8.3 ± 4.4 mmHg at follow-up (P < 0.001), resulting in significant clinical improvement. No moderate or severe paravalvular leakage was observed at discharge and at follow-up.
CONCLUSIONS: In AS patients, isolated AVR with the Perceval sutureless bioprosthesis is associated with significant LV mass regression at 1-year follow-up. However, longer-term follow-up is necessary to confirm these findings.
Authors:
Giuseppe Santarpino; Steffen Pfeiffer; Francesco Pollari; Giovanni Concistrè; Ferdinand Vogt; Theodor Fischlein
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-8
Journal Detail:
Title:  Interactive cardiovascular and thoracic surgery     Volume:  -     ISSN:  1569-9285     ISO Abbreviation:  Interact Cardiovasc Thorac Surg     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101158399     Medline TA:  Interact Cardiovasc Thorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Cardiac Surgery, Klinikum Nürnberg, Nuremberg, Germany.
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