| Factors Associated with Serum Brain Natriuretic Peptide Levels after the Fontan Procedure. | |
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MedLine Citation:
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PMID: 21435188 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Objective. Although a useful marker of heart failure in adults, the utility of brain natriuretic peptide concentration (BNP) for children after the Fontan procedure is not well studied. Design. BNP was measured in 510 patients who were 6-18 years old in the Pediatric Heart Network Fontan cross-sectional study at a median of 8.2 years after Fontan. Patients underwent echocardiography, exercise testing, magnetic resonance imaging (MRI) and functional health status questionnaires. Associations of BNP with baseline patient characteristics, medical history and cross-sectional assessment were examined with multivariable linear regression analyses. Results. The distribution of BNP was highly skewed, median 13.0 pg/mL (interquartile range: 7.1, 25.9), and was normalized with logarithmic transformation (logBNP). Among medical history variables, logBNP was greater in females (P= .02) and older patients (P < .001). Presence of pre-Fontan systolic ventricular dysfunction, greater number of post-Fontan complications, and thrombosis after Fontan were independently associated with higher logBNP (R(2) = 0.16). Age-adjusted logBNP was significantly related to Fontan connection type (lower with extracardiac conduits, higher with atriopulmonary connection; P < .001). Lower physical functioning health status (R(2) = 0.05), lower chronotropic index during exercise (R(2) = 0.17), indices of diastolic dysfunction measured by echocardiography (R(2) = 0.15), and higher total ventricular mass on MRI (R(2) = 0.33) were related to higher logBNP. Conclusions. Despite a markedly abnormal circulation, BNP was variable but within a normal range in the majority of Fontan patients in this large outpatient cohort. Higher BNP was associated with several markers of suboptimal outcome, although associations were weak. The routine use of BNP as an outpatient surveillance tool in asymptomatic Fontan patients is not warranted. |
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Authors:
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Andrew M Atz; Victor Zak; Roger E Breitbart; Steven D Colan; Sara K Pasquali; Daphne T Hsu; Minmin Lu; Lynn Mahony; Stephen M Paridon; Michael D Puchalski; Tal Geva; Brian W McCrindle |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-25 |
Journal Detail:
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Title: Congenital heart disease Volume: - ISSN: 1747-0803 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101256510 Medline TA: Congenit Heart Dis Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 Copyright the Authors. Congenital Heart Disease © 2011 Wiley Periodicals, Inc. |
Affiliation:
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Medical University of South Carolina, Charleston, SC, USA New England Research Institutes, Watertown, Mass, USA Children's Hospital Boston, Boston, Mass, USA Duke University Medical Center, Durham, NC, USA Columbia University Medical Center, New York, NY, USA University of Texas Southwestern Medical Center, Dallas, Tex, USA Children's Hospital of Philadelphia, Philadelphia, Pa, USA University of Utah, Salt Lake City, Utah, USA University of Toronto, The Hospital for Sick Children, Toronto, ON, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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