Doppler tissue velocity imaging of tricuspid annulus in healthy people

    JIA Huaª²Ping, DUAN Yunª²You, CAO Tieª²Sheng, ZHAO Baiª²Shan, L¦a Faª²Qin, YUAN Liª²Jun, CHEN Sheng

    Department of Ultrasound Diagnostics, Tangdu Hospital, Fourth Military Medical University, Xi¡¯an 710038, China

    ¡¾Abstract¡¿ AIM: To study the characteristics of tricuspid annulus movement for better clinical application of tissue Doppler imaging (DTI) of tricuspid annulus. METHODS: Doppler tissue velocity mode was used and the tricuspid annulus movements of anterior, septal and posterior attachment points in 60 healthy people were detected from apical four chamber view (APª²4CV), parasternal four chamber view (PSª²4CV) and apical right heart two chamber view (APª²RHª²2CV). The peak systolic flow velocity vs, peak diastolic early period flow velocity vdR and peak diastolic late period flow velocity vdL in the five points of tricuspid annulus were recorded and the values of vdR/vdL in the five points were calculated. The data were analyzed with analysis of variance (ANOVA) and multiple comparisons by SPSS 11.0. RESULTS: There was significant difference in the velocity of vs, vdR and vdL in the five points of tricuspid annulus in gross (vs, F=53.40, P<0.05; vdR, F=15.62, P<0.05; vdL, F=16.91, P<0.05), but there was no significant difference in the values of vdR/vdL in the five points of tricuspid annulus in gross (vdR/vdL, F=2.41, P>0.05). CONCLUSION: There is asymmetry in the tricuspid annulus movement, and it is important to choose the appropriate point in applying tissue Doppler imaging technique to study the movement of tricuspid annulus. ......