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目的探讨心脏畸形伴水肿胎儿心室内舒张期血流变化的临床价值。方法选择2007年4月~2012年12月来20~40周超声心动图检查的正常胎儿300例,应用M型彩色多普勒测定左心室内舒张早期血流传播速度(the propagation velocity,Vp),以正常胎儿为对照组,评价32例水肿胎儿,其中单纯性水肿胎儿12例,心脏畸形伴水肿胎儿20例左、右心室Vp的变化情况。结果单纯性水肿胎儿左、右心室内Vp值与正常组比较差异无显著性意义(P>0.05);心脏畸形伴水肿胎儿左、右心室内Vp值较正常对照组降低(P<0.001)。结论心室内舒张期血流传播速度可作为评价胎儿心室舒张功能的有效新指标。
Objective To investigate the clinical value of ventricular diastolic blood flow in patients with cardiac malformations and edema. Methods 300 normal fetuses with 20 ~ 40 weeks echocardiography were selected from April 2007 to December 2012. The left ventricular early diastolic blood flow velocity (Vp) was measured by M-mode color Doppler. , The normal fetus as the control group, evaluation of 32 cases of edema fetuses, including simple edema in 12 cases, cardiac malformations with edema fetal 20 cases of left and right ventricular Vp changes. Results There was no significant difference in Vp between the left and right ventricles of the simple edema group and the normal group (P> 0.05). The Vp of left and right ventricles of the fetus with edema was lower than that of the normal control group (P <0.001). Conclusion Ventricular diastolic blood flow velocity can be used as a new effective indicator to evaluate fetal diastolic function.