Document Detail

Echocardiographic determinants of the clinical condition in patients with a systemic right ventricle.
MedLine Citation:
PMID:  20584069     Owner:  NLM     Status:  In-Process    
BACKGROUND: Ventricular systolic and diastolic function, as measured by echocardiography, are diminished in patients with a systemic right ventricle (RV). As the clinical implications of these finding remained unknown, we aimed to identify echocardiographic parameters of systolic and diastolic ventricular function that are independent determinants of the clinical condition in these patients.
METHODS: Forty-six adult patients (61% male; mean age 33 [range 18-69] years) with a systemic RV underwent echocardiography to assess qualitative and quantitative systolic and diastolic function of the systemic RV and the subpulmonary left ventricle (LV). Uni- and multivariate linear regression analyses were performed to identify independent echocardiographic determinants for NYHA class, maximal exercise capacity (V'O(2peak)) and NT-proBNP levels.
RESULTS: We found qualitative assessment of RV and LV function to be significantly associated with NYHA class (RV: β= 0.26; P = 0.05 and LV: β= 0.82; P < 0.01), V'O(2peak) (RV: β=-10.4; P < 0.05 and LV: β=-18.4; P < 0.05) and NT-proBNP levels (RV: β= 0.58; P < 0.01 and LV: β= 1.40; P < 0.001). Tricuspid annulus plane systolic excursion (TAPSE) was significantly associated with NYHA class (β=-0.92; P = 0.001), V'O(2peak) (β= 18.5; P = 0.05), and serum NT-proBNP levels (β=-1.00; P < 0.05). Associations between quantitative parameters of systolic subpulmonary LV function and clinical parameters were less distinct. We found no associations between RV and LV diastolic function and clinical parameters.
CONCLUSIONS: Qualitative function of the systemic RV and the subpulmonary LV, and TAPSE, are determinants of clinical condition in patients with a systemic RV. These patients' clinical condition could not be determined by echocardiographically measured diastolic RV function, and systolic and diastolic LV function.
Michiel M Winter; Berto J Bouma; Maxim Hardziyenka; Rianne H A C M De Bruin-Bon; Hanno L Tan; Thelma C Konings; Arie P J Van Dijk; Barbara J M Mulder
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  27     ISSN:  1540-8175     ISO Abbreviation:  Echocardiography     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1247-55     Citation Subset:  IM    
Copyright Information:
© 2010, Wiley Periodicals, Inc.
Department of Cardiology, Academic Medical Center, Amsterdam, The Netherlands.
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