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首页> 外文期刊>Prenatal Diagnosis >Fetal anatomic survey using three-dimensional ultrasound in conjunction with first-trimester nuchal translucency screening
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Fetal anatomic survey using three-dimensional ultrasound in conjunction with first-trimester nuchal translucency screening

机译：胎儿三维解剖学结合三维超声结合孕早期颈部半透明性检查

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Objective To determine the visualization rates of fetal anatomic structures by three-dimensional ultrasound (3DUS) at 12-13 weeks of gestation.Study Design This was a prospective observational study of women presenting for nuchal translucency ultrasound. Five 3D volumes of the fetus were acquired transabdominally. Two investigators independently reviewed the stored volumes offline following a standardized protocol.Results One hundred singleton fetuses were examined. The mean time for 3D volumes acquisition was 4.8 min; and for 3D review 17 min. Anatomic structures were seen as follows: cranium, lateral cerebral ventricles and abdominal wall 100%; stomach, vertebrae, upper and lower limbs >94%; face 71%, bladder 58%, both kidneys 39%, skin overlying spine 26% and heart 18%. Agreement between two observers ranged from 100% (for head, abdominal wall and lower limbs) to 43% (for visualization of skin overlying spine). A complete basic anatomic survey was achieved in 11.4% of the 12-week fetuses and 33.3% of the 13-week fetuses O-value = 0.038).Conclusions First-trimester transabdominal 3DUS was adequate for assessment of the head, abdominal wall, stomach, limbs and vertebral alignment. It was less effective for evaluating the heart and intactness of the skin over the spine.
机译：目的通过三维超声（3DUS）来确定妊娠12-13周时胎儿解剖结构的可视化率。研究设计这是一项针对女性进行颈部半透明超声检查的前瞻性观察性研究。腹部采集了五个3D体积的胎儿。两名研究者按照标准规程独立地离线查看了储存的体积。结果检查了一百只单胎胎儿。 3D体积采集的平均时间为4.8分钟;并进行3D审核17分钟。解剖结构如下：头盖骨，大脑侧脑室和腹壁100％;胃，椎骨，上，下肢> 94％;面部71％，膀胱58％，肾脏39％，脊柱皮肤覆盖26％，心脏18％。两名观察员之间的一致性从100％（对于头部，腹壁和下肢）到43％（对于覆盖脊柱的皮肤可见）不等。 12周胎儿的11.4％和13周胎儿的33.3％的O值= 0.038）进行了完整的基本解剖学检查。结论孕早期经腹3DUS足以评估头，腹壁，胃，四肢和椎骨对齐。它对评估脊椎的心脏和皮肤完好性的效果较差。

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