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Echocardiographically based treatment of chronic ischemic mitral regurgitation.
MedLine Citation:
PMID:  20709335     Owner:  NLM     Status:  In-Data-Review    
OBJECTIVES: We evaluated results of an echocardiographically based strategy combining mitral annuloplasty with other procedures to treat chronic ischemic mitral regurgitation.
METHODS: From March 2006 to February 2009, 147 patients underwent mitral valve surgery for chronic ischemic mitral regurgitation. Mean effective regurgitant orifice was 36 ± 11 mm(2), and ejection fraction was 35% ± 9%. On the basis of echocardiographic findings, in 10 cases a prosthesis was inserted and mitral annuloplasty was performed in 137 cases, isolated in 83, associated with chordal cutting in 12 cases (in 5 anterior leaflet was augmented with pericardial patch), and with exclusion of anteroseptal (n = 35) or inferior (n = 7) scars in 42.
RESULTS: Thirty-day mortality was 4.8%; 3-year survival was 86% ± 3%. None of the 126 survivors were in New York Heart Association functional class III or IV. Among 117 survivors of mitral valve repair, after 18 ± 6 months mean effective regurgitant orifice reduced from 34.1 ± 10.2 mm(2) to 2.3 ± 0.4 mm(2) (P < .001). Nine patients showed residual effective regurgitant orifice 10 to 19 mm(2). Reverse remodeling was present in 69 patients (59.0%), no remodeling in 40 (34.1%), and continuous remodeling in 8 (6.9%). Ejection fraction changed from 37% ± 10% to 43% ± 10% (P <.001), improving in 47, remaining unchanged in 63, and worsening in 7.
CONCLUSIONS: Echocardiographically based strategy contributed to reduced postoperative mitral regurgitation persistence (effective regurgitant orifice ≥10 mm(2) in 7.7% of cases, with no patients showing effective regurgitant orifice ≥20 mm(2)). All patients remained in New York Heart Association functional class I or II, but more than mitral annuloplasty was performed in close to 40%.
Antonio M Calafiore; Angela L Iacò; Antonio Bivona; Egidio Varone; Salvo Scandura; Patrizia Greco; Antonella Romeo; Michele Di Mauro
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Publication Detail:
Type:  Journal Article     Date:  2010-08-14
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  141     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1150-1156.e1     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2011 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.
Department of Adult Cardiac Surgery, Prince Sultan Cardiac Center, Riyadh, Kingdom of Saudi Arabia.
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