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Assessment of right ventricular function with 320-slice volume cardiac CT: comparison with cardiac magnetic resonance imaging

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Abstract

To evaluate the accuracy and feasibility of right ventricular function parameters measurement using 320-slice volume cardiac CT. Retrospective analysis of 50 consecutive patients (23 men, 27 women) with suspected pulmonary diseases was performed in electrocardiogram (ECG)-gated cardiac CT and cardiac magnetic resonance (CMR). Parameters including right ventricular end-diastolic volume (RVEDV), right ventricular end- systolic volume (RVESV), right ventricular stroke volume (RVSV), right ventricular cardiac output (RVCO), and right ventricular ejection fraction (RVEF) were semi-automatically and separately calculated from both CT and CMR data. Significant difference between measurements was measured by paired t test and two-variable linear regression analysis with Pearson’s correlation coefficient. Bland–Altman analysis was performed in each pair of parameters. There was little variability between the measurements by the two observers (kappa = 0.895–0.980, P < 0.05). There was good correlation between all parameters obtained by CT and CMR (P < 0.001): RVEDV (108.5 ± 21.9 ml, 113.5 ± 24.8 ml, r = 0.944), RVESV (69.8 ± 33.4 ml, 73.2 ± 35.4 ml, r = 0.972), RVSV (39.0 ± 13.2 ml, 40.2 ± 13.3 ml, r = 0.977), RVCO (2.6 ± 0.7 l, 2.6 ± 0.7 l. r = 0.958), RVEF (38.8 ± 19.1 %, 39.1 ± 19.3 %, r = 0.990), and there was no significant difference between CT and CMR measurements in RVEF (n = 50, t = −0.677, P > 0.05). 320-slice volume cardiac CT is an accurate non-invasive technique to evaluate RV function.

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Authors and Affiliations

  1. Department of Radiology, Anzhen Hospital, affiliated to the Capital Medicine of University, Anzhen Road, No. 2, Chaoyang District, Beijing, 100029, China

    Xiaoyong Huang, Xin Pu, Ruiyu Dou, Xi Guo, Zixu Yan, Zhaoqi Zhang, Meng Li, Hong Jiang & Biao Lu

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  1. Xiaoyong Huang
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  2. Xin Pu
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  3. Ruiyu Dou
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  4. Xi Guo
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  6. Zhaoqi Zhang
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  7. Meng Li
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  8. Hong Jiang
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  9. Biao Lu
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Correspondence to Biao Lu.

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Huang, X., Pu, X., Dou, R. et al. Assessment of right ventricular function with 320-slice volume cardiac CT: comparison with cardiac magnetic resonance imaging. Int J Cardiovasc Imaging 28 (Suppl 2), 87–92 (2012). https://doi.org/10.1007/s10554-012-0156-8

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  • DOI: https://doi.org/10.1007/s10554-012-0156-8

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