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Mitral valve repair for the treatment of degenerative mitral valve disease with or without prosthetic ring annuloplasty: long-term outcomes.
MedLine Citation:
PMID:  23138606     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
AIM: Aim of the study was to evaluate late outcomes of mitral valve repair with and without the use of prosthetic ring annuloplasty and standardized techniques for the treatment of degenerative mitral regurgitation (MR). METHODS: Three hundred and five patients (mean age 62±12 years) underwent mitral valve repair between January 1992 and February 2010 for degenerative MR. In the last five years, all repair techniques were performed routinely using prosthetic ring annuloplasty, with or without quadrangular or triangular resection of posterior leaflet and/or edge-to-edge technique. Mean follow-up (99% complete) was 78±46 (2-220) months. RESULTS: Operative mortality was 0.9% (3/305), 15-year actuarial survival 82%±4%. At 15 years freedom from cardiac death was 89%±3.7%, from reoperation 84%±5.8%, from endocarditis 100%. Independent predictors of all-causes mortality were advanced age at operation (P=0.0006) and mitral valve repair without reductive prosthetic annuloplasty (P=0.0019). Death for cardiac causes was significantly higher when reductive annuloplasty was performed without the use of prosthetic ring (P<0.01). Late progression to moderate or severe MR was observed in 23/299 patients (7.7%). Independent predictors of progression to moderate or severe MR was annuloplasty without the use of prosthetic ring (P=0.0053) and postoperative residual mild MR (P=0.0014). Reoperation was required in 13/299 patients (4.4%). At 10 years freedom from moderate or severe MR was 86%±6% and 92%±4% in patients with postoperative absent or trivial residual MR, respectively, as compared to 38%±15% in those with postoperative residual mild MR (P<0.0001), freedom from reoperation 94%±4% and 90%±14% vs. 56%±16% (P<0.0001). CONCLUSION:Prosthetic annuloplasty in association with standardized techniques confers over 10 years survival advantage and better durability.
Authors:
P Nardi; A Pellegrino; C Olevano; A Scafuri; A Lio; P Polisca; L Chiariello
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-08
Journal Detail:
Title:  The Journal of cardiovascular surgery     Volume:  -     ISSN:  0021-9509     ISO Abbreviation:  J Cardiovasc Surg (Torino)     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0066127     Medline TA:  J Cardiovasc Surg (Torino)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Cardiac Surgery Unit, Policlinico Tor Vergata, Tor Vergata University of Rome, Rome, Italy - pa.nardi4@libero.it.
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