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Negative Impact of Cardiovascular Risk Factors on Left Atrial and Left Ventricular Function Related to Aortic Stiffness.
MedLine Citation:
PMID:  23446041     Owner:  NLM     Status:  Publisher    
Background: The aim of the present study was to detect earlier the negative effect of cardiovascular risk (CVR) factors on left atrial (LA) and left ventricular (LV) function related to abdominal aortic (AAO) stiffness using 2-dimensional speckle-tracking echocardiography (2DSTE) in asymptomatic patients. Methods and Results: One hundred and twelve patients with CVR factors and 56 healthy individuals were studied. 2DSTE data were acquired for determination of LA and LV myocardial and AAO wall deformations. LA volume index, LV mass index, ratio of early diastolic transmitral flow to mitral annular velocity (E/e')/peak systolic LA strain (S-LAs), and AAO stiffness were greater, and peak early diastolic LV longitudinal strain rate (SR-LVe) was lower in the patient group. Among the significantly correlated variables with AAO stiffness on univariate analysis, multivariate linear regression analysis identified SR-LVe and (E/e')/S-LAs in the patient group, and only age in the healthy group, as independent predictor of AAO stiffness. Conclusions: Structural and functional changes in the LA and LV and AAO stiffening were accelerated with CVR factors, and higher AAO stiffness was associated with deteriorated LA compliance and impaired LV relaxation in asymptomatic patients with CVR factors. 2DSTE has a potential for earlier detection of abnormal LA and LV function related to increased AAO stiffness.
Yoshifumi Oishi; Hirokazu Miyoshi; Arata Iuchi; Norio Nagase; Nusrat Ara; Takashi Oki
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-28
Journal Detail:
Title:  Circulation journal : official journal of the Japanese Circulation Society     Volume:  -     ISSN:  1347-4820     ISO Abbreviation:  Circ. J.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137683     Medline TA:  Circ J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Cardiovascular Section, Higashi Tokushima Medical Center, National Hospital Organization.
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