Document Detail


Midterm ventricular performance after Norwood procedure with right ventricular-pulmonary artery conduit.
MedLine Citation:
PMID:  15561009     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Midterm and long-term results of patients who underwent a Norwood procedure with a right ventricular-pulmonary artery conduit remain unclear. This study aimed to compare the midterm ventricular performance of the Norwood procedure with right ventricular-pulmonary artery conduit and the Norwood procedure with systemic-pulmonary shunt. METHODS: Twenty-one patients who underwent both a bidirectional Glenn procedure and a total cavopulmonary connection after Norwood palliation at Fukuoka Children's Hospital Medical Center were divided into two groups: the systemic-pulmonary shunt group (n = 11) and the right ventricular-pulmonary artery conduit group (n = 10). End-systolic elastance (contractility), effective arterial elastance (afterload), and ventriculoarterial coupling and the ratio of stroke work and pressure-volume area (ventricular efficiency) were measured on the basis of cardiac catheterization data before the bidirectional Glenn procedure, before and after the total cavopulmonary connection, and at approximately 1 year after total cavopulmonary connection. RESULTS: After bidirectional Glenn procedure and total cavopulmonary connection, end-systolic elastance of the right ventricular-pulmonary artery conduit group was lower than that of the systemic-pulmonary shunt group, whereas effective arterial elastance of the right ventricular-pulmonary artery conduit group was lower than that of the systemic-pulmonary shunt group. Consequently, there was no difference in ventricular efficiency in both groups 1 year after total cavopulmonary connection. CONCLUSIONS: The midterm ventricular performance of the right ventricular-pulmonary artery conduit group was comparable with the systemic-pulmonary shunt group in terms of ventricular efficiency. However, after bidirectional Glenn procedure and total cavopulmonary connection, contractility in patients who underwent a Norwood procedure with a right ventricular-pulmonary artery conduit was inferior to that of patients who underwent a Norwood procedure with a systemic-pulmonary shunt.
Authors:
Yoshihisa Tanoue; Hideaki Kado; Yuichi Shiokawa; Naoki Fusazaki; Shiro Ishikawa
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  78     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2004-11-24     Completed Date:  2005-07-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1965-71; discussion 1971     Citation Subset:  AIM; IM    
Affiliation:
Department of Cardiovascular Surgery and Pediatric Cardiology, Fukuoka Children's Hospital Medical Center, Fukuoka, Japan. tanoue@heart.med.kyushu-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Aorta / surgery
Cardiac Surgical Procedures / methods*
Child, Preschool
Female
Heart Ventricles / surgery*
Humans
Hypoplastic Left Heart Syndrome / physiopathology,  surgery*
Infant
Infant, Newborn
Male
Pulmonary Artery / surgery*
Retrospective Studies
Treatment Outcome
Ventricular Function*

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


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