Document Detail


Tricuspid annuloplasty using the MC3 ring for functional tricuspid regurgitation.
MedLine Citation:
PMID:  20009391     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: A recently introduced tricuspid annuloplasty ring, the MC(3) ring, has a 3-dimensional form that is designed to remodel the tricuspid valve annulus. The aim of this study was to investigate its clinical performance. METHODS AND RESULTS: From December 2004 to April 2008, 103 patients underwent tricuspid annuloplasty using the MC(3) ring (mean age, 52+/-13 years; 63.6% women). The average preoperative tricuspid regurgitation (TR) grade was 2.5+/-0.8, and the mean preoperative systolic pulmonary artery pressure was 48.4+/-15.0 (24-88) mmHg; the mean follow-up was 26.7+/-11.2 (0-52) months. One patient died after surgery (1.0%), because of cor pulmonale. No MC(3) ring-related complications, such as, atrioventricular block, ring dehiscence or thromboembolism, were encountered. Predischarge echocardiography showed a significant decrease in the TR grade (2.5+/-0.8 to 0.8+/-0.8, respectively; P<0.001). After a median 15 months, the mean TR grade was stable (0.9+/-0.8). The mean systolic pulmonary artery pressure was also lower than its preoperative value (33.9+/-7.9 vs 48.4+/-15.0 mmHg, respectively; P<0.001). CONCLUSIONS: The MC(3) ring provides good mid-term clinical and echocardiographic results for TR. However, long-term follow-up is mandatory to confirm the stability of this procedure.
Authors:
Dong Seop Jeong; Kyung-Hwan Kim
Publication Detail:
Type:  Journal Article     Date:  2009-12-15
Journal Detail:
Title:  Circulation journal : official journal of the Japanese Circulation Society     Volume:  74     ISSN:  1347-4820     ISO Abbreviation:  Circ. J.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-01-25     Completed Date:  2010-03-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137683     Medline TA:  Circ J     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  278-83     Citation Subset:  IM    
Affiliation:
Department of Thoracic and Cardiovascular Surgery, Seoul National University Boramae Medical Center, Seoul, Korea.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Blood Pressure
Female
Heart Valve Prosthesis*
Heart Valve Prosthesis Implantation / adverse effects,  instrumentation*
Humans
Kaplan-Meiers Estimate
Linear Models
Male
Middle Aged
Prosthesis Design
Pulmonary Artery / physiopathology
Retrospective Studies
Risk Assessment
Risk Factors
Severity of Illness Index
Time Factors
Treatment Outcome
Tricuspid Valve Insufficiency / physiopathology,  surgery*,  ultrasonography

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


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