Abstract：
BACKGROUND:The lack of an accurate noninvasive method for assessing right ventricular (RV) volume and function has been a major deficiency of two-dimensional (2D) echocardiography. The aim of our study was to test the feasibility of single-beat full-volume capture with real-time three-dimensional echo (3DE) imaging system for the evaluation of RV volumes and function validated by cardiac magnetic resonance imaging (CMRI). METHODS:Sixty-one subjects (16 normal subjects, 20 patients with hypertension, 16 patients with pulmonary heart disease and 9 patients with coronary heart disease) were studied. RV volume and function assessments using 3DE were compared with manual tracing with CMRI as the reference method. RESULTS:Fifty-nine of 61 patients (96.7%; 36 male, mean age, 62 ± 15 years) had adequate three-dimensional echocardiographic data sets for analysis. The mean RV end diastolic volume (EDV) was 105 ± 38 ml, end-systolic volume (ESV) was 60 ± 30 and RV ejection fraction (EF) was 44 ± 11% by CMRI; and EDV 103 ± 38 ml, ESV 60 ± 28 ml and RV EF 41 ± 13% by 3DE. The correlations and agreements between measurements estimated by two methods were acceptable. CONCLUSION:RV volumes and function can be analyzed with 3DE software in most of subjects with or without heart diseases, which is able to be estimated with single-beat full-volume capture with real-time 3DE compared with CMRI.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Zhang QB,Sun JP,Gao RF,Lee AP,Feng YL,Liu XR,Sheng W,Liu F,Yang XS,Fang F,Yu CMdoi
10.1016/j.ijcard.2013.06.088subject
Has Abstractpub_date
2013-10-09 00:00:00pages
3991-5issue
4eissn
0167-5273issn
1874-1754pii
S0167-5273(13)01143-1journal_volume
168pub_type
杂志文章,随机对照试验abstract：:The recent death of a popular politician in India was followed by a spate of sudden deaths. In this letter, we analyze the deaths as reported in newspapers, and try to arrive at a reason for this strange phenomenon. ...
journal_title：International journal of cardiology
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pub_type： 共识发展会议,杂志文章
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