Document Detail

Edwards Mira bileaflet prosthesis in aortic position: midterm results of a prospective multi-centre study.
MedLine Citation:
PMID:  17669905     Owner:  NLM     Status:  MEDLINE    
This prospective multicentre study assessed the midterm clinical and haemodynamic results of the Edwards Mira curved bileaflet prosthesis in aortic position. From June 1998 to October 2000, 117 patients, mean age 64 years (31-78 years) underwent aortic valve replacement with the Edwards Mira valve in three institutions. Clinical status, haemodynamic performance and valve related complications were assessed. Serial echocardiographic examinations were performed at discharge and at least two years follow-up. Operative mortality was 1.7% (n=2). Follow-up was 100% complete (594.1 patient-years). Actuarial survival at one, three and five years was 96.5+/-1.7%, 93.9+/-2.2% and 88.4+/-3.0%, respectively. Freedom from thrombosis was 99.1+/-0.9%, from embolic events: 96.2+/-1.9%, from bleeding events: 96.4+/-1.7%, and from non-structural dysfunction 97.2+/-1.6%. There was no structural dysfunction. The peak gradient at discharge was 22.13+/-8.1 mmHg down to 20.8+/-8 mmHg at 28 months. The mean gradient at discharge was 12.7+/-4.5 mmHg at discharge down to 10.8+/-4.2 mmHg at 28 months. The permeability index was 53.3+/-10% at 28 months. The Edwards Mira aortic valve showed excellent midterm haemodynamic performance, good midterm survival and low valve related complications rate. Long term follow-up remains to be assessed.
Jean-Philippe Verhoye; Issam Abouliatim; Bernard Lelong; Anne Ingels; Xavier Roques; Jean Pierre Villemot; Thierry Langanay; Alain Leguerrier
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Publication Detail:
Type:  Journal Article; Multicenter Study     Date:  2007-02-07
Journal Detail:
Title:  Interactive cardiovascular and thoracic surgery     Volume:  6     ISSN:  1569-9285     ISO Abbreviation:  Interact Cardiovasc Thorac Surg     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-08-02     Completed Date:  2007-08-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101158399     Medline TA:  Interact Cardiovasc Thorac Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  458-61     Citation Subset:  IM    
Department of Thoracic and Cardiovascular Surgery, University Hospital, Rennes, France.
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MeSH Terms
Aortic Valve / surgery*
Blood Flow Velocity
Echocardiography, Doppler, Color
Follow-Up Studies
Heart Valve Prosthesis* / adverse effects
Heart Valve Prosthesis Implantation* / adverse effects
Middle Aged
Postoperative Complications
Survival Analysis
Thromboembolism / etiology
Ventricular Function, Left

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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