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Evaluation of right ventricular regional volume and systolic function in patients with pulmonary arterial hypertension using three-dimensional echocardiography.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kong, Dehong Shu, Xianhong Pan, Cuizhen Cheng, Leilei Dong, Lili Yao, Haohua Zhou, Daxin
Description	Country affiliation: China Author Affiliation: Kong D ( Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai, China.)
Abstract	OBJECTIVE: To evaluate right ventricular (RV) regional volume and systolic function in patients with pulmonary arterial hypertension (PAH) using real time three-dimensional echocardiography (RT3DE), and to explore the relationship between parameters measured by RT3DE and right heart catheterization (RHC). METHODS: RT3DE images were acquired from 24 patients with PAH and 27 normal controls for evaluation and analysis to obtain RV regional end-diastolic volume (EDV), end-systolic volume (ESV), ejection fraction (EF) in three compartments (inflow, body, and outflow). Conventional echocardiographic parameters were calculated and recorded. RHC was performed in 17 patients to obtain pulmonary artery systolic pressure (PASP) and pulmonary vascular resistance (PVR). RESULTS: RV regional EDV and ESV were significantly higher while regional EF was significantly lower in the PAH patients when compared with controls (P < 0.001). In the PAH group, EDV was similar in the inflow and body compartment, both higher than that in the outflow compartment (P < 0.05); EF was the highest in the inflow compartment and the lowest in the body compartment (P < 0.05). RV regional EF in the inflow compartment and global EF were negatively correlated with PASP (r =-0.766, -0.816, P < 0.001) and PVR (r =-0.529, -0.656, P < 0.05). CONCLUSIONS: In patients with PAH, RV regional volume was enlarged and systolic function was impaired with distinct characteristics; regional EF in the inflow compartment and global EF were inversely correlated with PASP and PVR. Evaluation of RV regional systolic function using RT3DE may play a potential role in the noninvasive assessment of the severity of PAH.
File Format	HTM / HTML
ISSN	07422822
Issue Number	6
Volume Number	29
e-ISSN	15408175
Journal	Echocardiography
Language	English
Publisher	Wiley
Publisher Date	2012-07-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Research Support, Non-u.s. Gov't Sensitivity And Specificity Complications Ventricular Dysfunction, Right Humans Organ Size Hypertension, Pulmonary Male Journal Article Heart Ventricles Reproducibility Of Results Etiology Discipline Cardiology Adult Methods Hypertrophy, Right Ventricular Echocardiography, Three-dimensional
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Cardiology and Cardiovascular Medicine

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