Amniotic fluid volumetry by three-dimensional ultrasonography during the first trimester of pregnancy

被引：16

作者：

Gadelha, Patricia Spara ^{[1
]}

Da Costa, Antonio Gadelha ^{[1
]}

Mauad Filho, Francisco ^{[1
]}

El Beitune, Patricia ^{[1
]}

机构：

[1] Univ Sao Paulo, Fac Med Ribeirao Preto, Dept Gynecol & Obstet, Sao Paulo, Brazil

来源：

ULTRASOUND IN MEDICINE AND BIOLOGY | 2006年 / 32卷 / 08期

关键词：

first trimester; amniotic fluid volume; ultrasonography; three-dimensional ultrasonography; VOCAL;

D O I：

10.1016/j.ultrasmedbio.2006.04.015

中图分类号：

O42 [声学];

学科分类号：

070206 [声学]; 082403 [水声工程];

摘要：

In a longitudinal prospective study, we quantitated the amniotic fluid volume (AFV) of 25 normal fetuses by endovaginal 3-D ultrasonography (3D-US) from the 8th to the 11th week of pregnancy. AFV by 3D-US was obtained by subtracting the volumetric measurement of the embryo (EV) from the amniotic sac volume (ASV). EV and ASV were obtained by virtual organ computer-aided analysis (VOCAL), using 6 degrees of rotation. AFV increased from 5.75 to 42.96 cm(3) from the 8th to the Ilth week (ANOVA, p < 0.05), with a correlation between gestational age and AFV (p < 0.001, r(2) = 98.1%). We conclude that there was an increase in AFV assessed by 3D-US. The AFV values for normal fetuses can be used for comparison with those detected in pregnancies with risk of fetal loss.

引用

页码：1135 / 1139

页数：5

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