Document Detail

Surgical repair of the prolapsing anterior leaflet in degenerative mitral valve disease.
MedLine Citation:
PMID:  10678378     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND AIM OF THE STUDY: Repair of the prolapsing anterior leaflet (AML) in degenerative mitral valve disease is more demanding than that of the posterior leaflet. We reviewed our experience in the past eight years, to examine the safety, efficacy and stability of various repair artifices. METHODS: Between January 1989 and December 1997, 102 patients (mean age 64 years; range: 26-86 years) with mitral regurgitation (MR) due to prolapse of the anterior or both mitral leaflets underwent mitral valve repair. Sixty-six patients were in NYHA class > or =III, and 94 had MR grade >II. Acute endocarditis was present in 12 patients and Barlow disease in 16. Surgical techniques consisted of chordal shortening (n = 36), chordal transposition (n = 16), papillary muscle shortening or plication (n = 10), flip-over (n = 20) and artificial chordae implantation (n = 20). RESULTS: There was no early mortality; one patient required early mitral valve replacement (MVR) for late-appearing systolic anterior motion, and one patient benefited from a successful re-repair on day 8 for partial posterior leaflet desinsertion. Mean follow up was 30 months (range: 3-92 months); there were four late deaths (two valve-related cerebrovascular accidents); two patients required re-repair (one after three months for prosthetic ring thrombosis, and one after 10 months for rupture of shortened chordae (corrected by flip-over)). Five patients had MVR between four and 32 months later: one for mitral stenosis due to posterior leaflet calcification, and four for recurrent MR due to the rupture of shortened chordae (n = 3) or plicated papillary muscle (n = 1). One patient suffered bacterial endocarditis which was treated medically. Of the 92 remaining patients with valve repair, 81 are currently asymptomatic, five are in NYHA class II and four in class III. Transesophageal echocardiographic restudy (n = 76) at a mean of 30 months after surgery revealed no MR in 68 patients, and MR of grade <II in three. CONCLUSIONS: AML prolapse repair is safe, durable, and therefore can be attempted even in mildly symptomatic patients. However, chordal shortening should be substituted by implantation of artificial chordae or by the flip-over technique.
G El Khoury; P Noirhomme; R Verhelst; J Rubay; R Dion
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of heart valve disease     Volume:  9     ISSN:  0966-8519     ISO Abbreviation:  J. Heart Valve Dis.     Publication Date:  2000 Jan 
Date Detail:
Created Date:  2000-03-01     Completed Date:  2000-03-01     Revised Date:  2006-05-04    
Medline Journal Info:
Nlm Unique ID:  9312096     Medline TA:  J Heart Valve Dis     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  75-80; discussion 81     Citation Subset:  IM    
Cliniques Universitaires Saint-Luc, Brussels, Belgium.
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MeSH Terms
Aged, 80 and over
Chordae Tendineae / surgery
Middle Aged
Mitral Valve Prolapse / surgery*
Postoperative Complications
Retrospective Studies
Treatment Outcome
Reg. No./Substance:
Comment In:
J Heart Valve Dis. 2000 Sep;9(5):738-9   [PMID:  11041194 ]

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