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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Examination of placental three-dimensional power Doppler indices and perinatal outcome in pregnancies complicated by intrauterine growth restriction.
OBJECTIVE: To examine placental vascularization using three-dimensional power Doppler (3DPD) ultrasonography in pregnancies complicated by intrauterine growth restriction (IUGR).
METHODS: The present prospective study was conducted at the University of Szeged (Szeged, Hungary) from February 2012 to March 2013. Women with a singleton pregnancy who attended the maternity outpatient ward in the second or third trimester were enrolled consecutively. Women were divided into two groups: those with a normal pregnancy and those with a pregnancy complicated by IUGR. Three 3DPD indices-vascularization index (VI), flow index (FI), and vascularization flow index (VFI)-were assessed.
RESULTS: A total of 223 women were enrolled: 171 were in the control group and 52 in the IUGR group. Median VI was 3.7% (interquartile range [IQR] 3.2%-4.2%) in the IUGR group and 10.1% (IQR 8.6%-10.9%) in the control group (P=0.001). Median FI was 40.0 (IQR 39.7-42.5) in the IUGR group and 45.1 (IQR 44.1-53.1) in the control group (P=0.012). Median VFI was 2.2 (IQR 2.1-2.4) in the IUGR group and 4.8 (IQR 4.4-5.3) in the control group (P<0.001).
CONCLUSION: Placental vascularization was reduced in pregnancies complicated by IUGR.
METHODS: The present prospective study was conducted at the University of Szeged (Szeged, Hungary) from February 2012 to March 2013. Women with a singleton pregnancy who attended the maternity outpatient ward in the second or third trimester were enrolled consecutively. Women were divided into two groups: those with a normal pregnancy and those with a pregnancy complicated by IUGR. Three 3DPD indices-vascularization index (VI), flow index (FI), and vascularization flow index (VFI)-were assessed.
RESULTS: A total of 223 women were enrolled: 171 were in the control group and 52 in the IUGR group. Median VI was 3.7% (interquartile range [IQR] 3.2%-4.2%) in the IUGR group and 10.1% (IQR 8.6%-10.9%) in the control group (P=0.001). Median FI was 40.0 (IQR 39.7-42.5) in the IUGR group and 45.1 (IQR 44.1-53.1) in the control group (P=0.012). Median VFI was 2.2 (IQR 2.1-2.4) in the IUGR group and 4.8 (IQR 4.4-5.3) in the control group (P<0.001).
CONCLUSION: Placental vascularization was reduced in pregnancies complicated by IUGR.
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