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正常胎儿与宫内发育迟缓胎儿在体脂肪和瘦体重比例方面的差异研究
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作者 Padoan A. Rigano S. +1 位作者 ferrazzi e. 侯巍 《世界核心医学期刊文摘(妇产科学分册)》 2005年第3期21-21,共1页
The purpose of this study was to assess fetal subcutaneous fat and lean mass areas as predictors of fetal growth restriction. Seventeen severe fetal growth restricted (abdominal circumference, < 2 SD) fetuses and 2... The purpose of this study was to assess fetal subcutaneous fat and lean mass areas as predictors of fetal growth restriction. Seventeen severe fetal growth restricted (abdominal circumference, < 2 SD) fetuses and 20 control fetuses underwent ultrasound measurements of subcutaneous fat, lean mass, and standard biometry. Thigh subcutaneous fat and lean mass were measured on enlarged ultrasound axial images (subcutaneous fat area = total cross sectional area lean mass area [bone + muscle areas]). Subcutaneous fat and lean mass areas were expressed as a percentage of the total cross sectional area and were normalized to femur length and head circumference. Measurements were modeled as a function of fetal growth restriction status and week of gestation with multiple linear regression. Fetal growth restriction fetuses showed reductions in fat and lean mass (in standard biometry) and showed a disproportionate reduction in fat mass compared with lean mass. These were all associated significantly with fetal growth restriction. Fetal growth restricted fetuses have reduced subcutaneous fat and lean mass compared with control fetuses; a further reduction occurs in subcutaneous fat concentration compared with the reduction in lean mass when fat is normalized for body size, with either head circumference or femur length. Fat to bone proportions may be useful in distinguishing the small for gestational age fetus who is truly fetal growth restriction from the constitutionally small fetus. 展开更多
关键词 宫内发育迟缓 正常胎儿 瘦体重 体脂肪 差异研究 皮下脂肪 多元线性回归 超声检查 股骨长度 横截面积
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