Is Size of Cisterna Magna Related to the Fetal Gender and Gestational Age
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 450
- 试验地点
- 1
- 主要终点
- Correlation of cisterna magna size to the gender and gestational age
研究概览
简要总结
The cisterna magna (CM) is a large subarachnoid cerebrospinal space that lies between the caudal aspect ofthe cerebellum and the medulla oblongata, drainingthe fourth ventricle . The evaluation of the fetal cisterna magna is animportant part of obstetric ultrasound which targetsdetection of prenatal malformation of the fetal centralnervous system (CNS).Therefore, measuring the size ofthe cisterna magna has important clinical significancefor diagnosing fetal nervous system abnormalities.
Studies about the relationship between the anteroposterior diameter of the CM and the gestational age (GA) are still controversial. Some articles havepointed out that there was a good correlationbetween the diameter of the CM and GA
详细描述
Prospective study that will include pregnant women who are between 20 weeks 0 days and 39 weeks 6 days of gestation. As in cross sectional study each fetus is considered only once. with use of magnetic resonance ultrasonography.( ultrasonography is a noninvasive imaging test uses high-frequency sound waves to create real-time pictures or video of internal organs or other soft tissues)
研究设计
- 研究类型
- Observational
- 观察模型
- Case Only
- 时间视角
- Prospective
入排标准
- 年龄范围
- 16 Years 至 45 Years（Child, Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Pregnant women who are between 20 weeks 0 days and 39 weeks 6 days of gestation.
- •Singleton pregnancy.
排除标准
- •.gestational age can not be confirmed.
- •Fetal malformations or intrauterine growthretardation
- •Women with chronic diseases.
- •bodymass index >30
结局指标
主要结局
Correlation of cisterna magna size to the gender and gestational age
时间窗: 48 months
Mesurment of anteroposterior diameter of cisterna magna by centimeters using 2D US
次要结局
未报告次要终点
研究者
Alaa Gamal Abd El-Naser
Principal Investigator
Assiut University