JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES) ›› 2014, Vol. 52 ›› Issue (12): 73-77.doi: 10.6040/j.issn.1671-7554.0.2014.743

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Evaluation of fetal myocardial mechanics of left ventricular in pregnancy-induced hypertension syndrome using velocity vector imaging

LIU Fang1, TAO Guowei2, JIANG Lili3, LIU Shaoping2, SHI Linlin2, DING Tingting2, GAO Shengjie2, MA Zhe2   

  1. 1. Department of Ultrasound, Provincial Hospital Affiliated to Shandong University, Jinan 250021, Shandong, China;
    2. Department of Ultrasound, Qilu Hospital of Shandong University, Jinan 250012, Shandong, China;
    3. Department of Ultrasound, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, Shandon, China
  • Received:2014-10-26 Revised:2014-11-11 Published:2014-12-10

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Abstract: Objective To explore the most valuable parameters for fetal myocardial mechanics by evaluating fetal left ventricular myocardial mechanics in women with pregnancy-induced hypertension syndrome using velocity vector imaging (VVI). Methods The study involved two groups of pregnant women: the hypertensive group (women with pregnancy-induced hypertension, n=36) and control group (healthy subjects, n=54). The ventricular systolic and diastolic segmental and global peak velocity, strain, and strain rate were evaluated with VVI and compared between the two groups. Results Systolic and diastolic segmental peak velocity, strain and strain rate of the hypertensive group were lower than those of the control group. There were statistical differences in some of the segments (P<0.05). ② Systolic and diastolic global peak velocity, strain and strain rate of the hypertensive group were lower than those of the control group (P<0.05). Conclusion VVI can sensitively reflect the fetal myocardial mechanics in women withpregnancy-induced hypertension syndrome. Global strain and strain rate may be more sensitive than segmental strain and strain rate in the assessment of fetal myocardial mechanics.

Key words: Fetus, Left ventricular, Myocardial mechanics, Velocity vector imaging, Pregnancy-induced hypertension syndrome

CLC Number: 

  • R445.1
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