Document Detail


Quantification of regional volume and systolic function of the left ventricle by real-time three-dimensional echocardiography.
MedLine Citation:
PMID:  17964068     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Real-time three-dimensional (3D) echocardiography (RT-3DE) provides a unique technique to evaluate left ventricular regional function in a 3D format. We aimed to explore whether the left ventricular segmental volume and systolic function is uniform and to establish normal values of volume and systolic function parameters of 16 regions in healthy subjects. RT-3DE was performed in 41 normal subjects and four-dimensional (4D)-left ventricle (LV) analysis software and a TomTec workstation were used to analyze data for regional end-diastolic volume (EDV(R)), regional end-systolic volume (ESV(R)), regional stroke volume (SV(R)), regional ejection fraction (EF(R)), ratio of SV(R) to global SV (SV(R/G)) and ratio of SV(R) to global EDV (EF(R/G)). All regional volume and systolic function parameters were not uniform among the left ventricular walls. They all increased in the order of inferior, posterior, lateral, septal, anterior and antero-septal walls with an increasing trend from the apical, middle to basal segments. The systolic function (EF(R), SV(R/G) and EF(R/G)) of the anterior and antero-septal walls was significantly higher than that of the lateral, inferior and posterior walls. And the intra- and interobserver variability for EDV(R), ESV(R), SV(R/G) and EF(R/G) ranged from 2.9% to 5.8%. In conclusion, the regional volume and systolic function of the left ventricle is not uniform and, therefore, a normal left ventricle cannot be regarded as a symmetric model for assessing the regional systolic function. This information may improve the accuracy of RT-3DE techniques in the assessment of the left ventricular regional function. (E-mail: zhangyun@sdu.edu.cn and yaogh@yahoo.com).
Authors:
Xiu-Chang Li; Gui-Hua Yao; Cheng Zhang; Mei Zhang; Peng-Fei Zhang; Wei Zhang; Yan-Yan Hu; Xiao-Ping Ji; Yun Zhang
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-10-26
Journal Detail:
Title:  Ultrasound in medicine & biology     Volume:  34     ISSN:  0301-5629     ISO Abbreviation:  Ultrasound Med Biol     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-25     Completed Date:  2008-06-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410553     Medline TA:  Ultrasound Med Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  379-84     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Affiliated Hospital of Taishan Medical College, Taian, China.
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MeSH Terms
Descriptor/Qualifier:
Adult
Echocardiography, Three-Dimensional / methods*
Female
Heart Ventricles / anatomy & histology
Humans
Image Processing, Computer-Assisted*
Male
Middle Aged
Observer Variation
Reference Values
Stroke Volume / physiology
Systole
Ventricular Function, Left / physiology

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