| Midterm ventricular performance after Norwood procedure with right ventricular-pulmonary artery conduit. | |
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MedLine Citation:
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PMID: 15561009 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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. |
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Authors:
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Yoshihisa Tanoue; Hideaki Kado; Yuichi Shiokawa; Naoki Fusazaki; Shiro Ishikawa |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: The Annals of thoracic surgery Volume: 78 ISSN: 1552-6259 ISO Abbreviation: Ann. Thorac. Surg. Publication Date: 2004 Dec |
Date Detail:
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Created Date: 2004-11-24 Completed Date: 2005-07-05 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 15030100R Medline TA: Ann Thorac Surg Country: Netherlands |
Other Details:
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Languages: eng Pagination: 1965-71; discussion 1971 Citation Subset: AIM; IM |
Affiliation:
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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:
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Aorta
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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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