| The fate of the neoaortic valve and root after the modified Ross-Konno procedure. | |
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MedLine Citation:
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PMID: 23158255 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: In children with aortic valve disease associated with annular hypoplasia or complex multilevel left ventricular outflow tract obstruction, the Ross procedure, combined with a modified Konno-type aortoventriculoplasty, is advocated. We aim to examine the fate of the neoaortic apparatus and assess neoaortic valve function after the modified Ross-Konno procedure. METHODS: Forty-three patients, with a median age of 6 years, underwent the modified Ross-Konno procedure with a myectomy but without the use of a ventricular septal patch. Serial postoperative echocardiograms (n = 187) were analyzed, and regression models adjusted for repeated measures were used to model the longitudinal growth of the neoaortic annulus and root. RESULTS: There were 2 operative deaths (5%) and 1 late mortality. At 8 years, survival was 93% and freedom from autograft, homograft, and all-cause reoperation was 100%, 81%, and 72%, respectively. The median postprocedure diameter and z score were 14 mm (7-21 mm) and +1.3 (-3.0 to +6.1) for the neoaortic annulus and 21 mm (9-30 mm) and +1.6 (-1.3 to +4.1) for the neoaortic root, respectively. Serial echocardiograms showed a progressive increase in annular (+0.56 mm/year, P < .001) and root (+0.89 mm/year, P < .001) diameters but little change in annular (-0.07/year, P = .08) and root (-0.002/year, P = .96) z scores. Autograft regurgitation developed in 9 patients; however, the degree and progression of regurgitation over time were not significant (P = .22). CONCLUSIONS: After the modified Ross-Konno procedure, the neoaortic annulus and root increased in size proportionately to somatic growth. Autograft regurgitation, usually mild and stable, developed in few patients, and none required autograft reoperation. Our findings support the use of the modified Ross-Konno as the procedure of choice in children with aortic valve disease and complex left ventricular outflow tract obstruction. |
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Authors:
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Bahaa M Fadel; Cedric Manlhiot; Zohair Al-Halees; Giovanni Di Salvo; Mamdouh Al-Ahmadi; Brian McCrindle; Bahaaldin Alsoufi |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-14 |
Journal Detail:
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Title: The Journal of thoracic and cardiovascular surgery Volume: - ISSN: 1097-685X ISO Abbreviation: J. Thorac. Cardiovasc. Surg. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376343 Medline TA: J Thorac Cardiovasc Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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Heart Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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