Document Detail


Simple interrupted suturing increases valve performance after aortic valve replacement with a small supra-annular bioprosthesis.
MedLine Citation:
PMID:  23228405     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: A supra-annular aortic valve prosthesis is often used for aortic valve replacement in patients with a small aortic annulus. However, which suture technique provides the best valve performance has not been studied. We aimed to compare valve performance between 2 different suture techniques.
METHODS: We reviewed 152 patients undergoing aortic valve replacement with a 19- or 21-mm Carpentier-Edwards Perimount Magna aortic bioprosthesis (Edwards Lifesciences, Irvine, Calif) between June 2008 and December 2010. Simple interrupted sutures were used in 102 patients (group A, 19-mm prosthesis in 47 patients and 21-mm prosthesis in 55 patients), and noneverting mattress sutures were used in 50 patients (group B, 19-mm prosthesis in 20 patients and 21-mm prosthesis in 30 patients). Transthoracic echocardiograms were performed at baseline and before discharge in all patients and 1 year after surgery in 141 patients. We compared the effective orifice area and incidence of prosthesis-patient mismatch (effective orifice area index <0.85 cm(2)/m(2)) between 2 groups.
RESULTS: The mean postoperative effective orifice areas were 1.41 ± 0.32 cm(2)/m(2) in group A and 1.30 ± 0.28 cm(2)/m(2) in group B (P = .025). The incidence of prosthesis-patient mismatch was 29% in group A and 56% in group B (P = .002). A multivariate analysis has shown that simple interrupted suturing is a negative predictor of prosthesis-patient mismatch (odds ratio, 0.33; 95% confidence interval, 0.13-0.83; P = .018). At 1 year, the incidence of prosthesis-patient mismatch was 27% in group A and 47% in group B (P = .023).
CONCLUSIONS: Simple interrupted sutures provide larger effective orifice areas and reduce the incidence of prosthesis-patient mismatch after aortic valve replacement with a small supra-annular bioprosthesis. This suture technique is preferred in those patients to maximize valve performance.
Authors:
Minoru Tabata; Kentaro Shibayama; Hiroyuki Watanabe; Yasunori Sato; Toshihiro Fukui; Shuichiro Takanashi
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Publication Detail:
Type:  Comparative Study; Journal Article; Observational Study     Date:  2012-12-08
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  147     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2013-12-16     Completed Date:  2014-02-13     Revised Date:  2014-06-23    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  321-5     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2014 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Aortic Valve / surgery*,  ultrasonography
Bioprosthesis*
Echocardiography, Doppler
Echocardiography, Transesophageal
Female
Heart Valve Prosthesis*
Heart Valve Prosthesis Implantation* / instrumentation,  methods
Humans
Male
Multivariate Analysis
Odds Ratio
Prosthesis Design
Risk Factors
Suture Techniques*
Time Factors
Treatment Outcome
Comments/Corrections
Comment In:
J Thorac Cardiovasc Surg. 2014 Jun;147(6):2000-1   [PMID:  24837734 ]

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


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