Article (Scientific journals)
Left atrial dysfunction as a correlate of heart failure symptoms in hypertrophic cardiomyopathy.
Rosca, Monica; Popescu, Bogdan Alexandru; Beladan, Carmen C. et al.
2010In Journal of the American Society of Echocardiography, 23 (10), p. 1090-8
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Keywords :
Atrial Function, Left; Cardiomyopathy, Hypertrophic/complications/ultrasonography; Echocardiography/methods; Elasticity Imaging Techniques/methods; Female; Heart Atria/ultrasonography; Heart Failure/etiology/ultrasonography; Humans; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Statistics as Topic
Abstract :
[en] BACKGROUND: Hypertrophic cardiomyopathy (HCM) represents a generalized myopathic process affecting both ventricular and atrial myocardium. We aimed to assess left atrial (LA) function by two-dimensional speckle tracking echocardiography and its relation with left ventricular (LV) function and clinical status in patients with HCM. METHODS: We prospectively enrolled 37 consecutive patients with HCM and 37 normal subjects with similar age and gender distribution. Longitudinal LV strain (epsilon) and LA epsilon and strain rate (Sr) parameters (systolic, early diastolic, and late diastolic during atrial contraction) were assessed. RESULTS: Peak LAepsilon and LA Sr parameters were significantly lower in patients compared with controls (P </= .001 for all). In patients, all LA function parameters correlated with LVepsilon (P < .003 for all). Indexed LA volume, LA function parameters, and mitral regurgitation degree were the main correlates of New York Heart Association class; late diastolic strain rate during atrial contraction was the only independent predictor of symptomatic status. CONCLUSION: In patients with HCM, LA function is significantly reduced and related to LV dysfunction. Moreover, LA booster pump function emerged as an independent correlate of heart failure symptoms in this setting.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Rosca, Monica
Popescu, Bogdan Alexandru
Beladan, Carmen C.
Calin, Andreea
Muraru, Denisa
Popa, Elena C.
LANCELLOTTI, Patrizio  ;  Centre Hospitalier Universitaire de Liège - CHU > Cardiologie
Enache, Roxana
Coman, Ioan M.
Jurcut, Ruxandra
Ghionea, Mihai
Ginghina, Carmen
Language :
English
Title :
Left atrial dysfunction as a correlate of heart failure symptoms in hypertrophic cardiomyopathy.
Publication date :
2010
Journal title :
Journal of the American Society of Echocardiography
ISSN :
0894-7317
eISSN :
1097-6795
Publisher :
C.V. Mosby Company, United States - Missouri
Volume :
23
Issue :
10
Pages :
1090-8
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2010 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved.
Available on ORBi :
since 21 June 2013

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