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| Application of spatio-temporal image correlation M-mode together with tissue Doppler imaging in evaluation of right ventricular function of the fetus with tricuspid regurgitation |
| LUO Bing, WANG Yi-cheng, WEN De-hui, HUANG Jia-cheng, JIAO Gui-qing, ZHANG Li-wei |
| The First Affiliated Hospital of Hebei North University, Zhangjiakou Hebei 075000, China |
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Abstract Objective: To explore the application value of spatio-temporal image correlation M-mode(STIC-M) together with tissue Doppler imaging(TDI) in evaluation of right ventricular function of the fetus with tricuspid regurgitation. Methods: 243 fetuses from 20 to 41+6 weeks were divided into 3 groups, 160 fetuses without tricuspid regurgitation as the control group, 63 fetuses with mild tricuspid regurgitation as the mild regurgitation group, 20 fetuses with moderate tricuspid regurgitation as the moderate regurgitation group. STIC-M was used to measure the tricuspid annular displacement(TAD). TDI was used to measure early and late diastolic tricuspid annular velocity(E' and A'), as well as E'/A'. Statistical analysis was performed to compare these parameters. Results: There were no significant differences in TAD, E', A' and E'/A' between the mild regurgitation group and the control group(P＞0.05). The TAD, E', A', and E'/A' of the moderate regurgitation group were significantly lower than those of the control group and the mild regurgitation group(P＜0.05). Conclusion: STIC-M combined with TDI can accurately evaluate right ventricular systolic and diastolic function of the fetuses with tricuspid regurgitation, which can provide important information in guiding the active clinical treatment and choosing the appropriate delivery opportunity.
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Received: 08 October 2018
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2019, Vol. 30 
