极小胎儿的经腹胎儿心率记录。
Transabdominal recordings of fetal heart rate in extremely small fetuses.
作者信息
Odendaal Hein, Groenewald Coen, Hankins Gary D V, du Plessis Carlie, Myers Michael M, Fifer William P
机构信息
a Department of Obstetrics and Gynecology, Faculty of Medicine & Health Sciences , Stellenbosch University , Cape Town , South Africa.
b Department of Obstetrics and Gynecology , University of Texas Medical Branch , Galveston , TX , USA.
出版信息
J Matern Fetal Neonatal Med. 2019 Mar;32(6):1044-1047. doi: 10.1080/14767058.2017.1397120. Epub 2017 Nov 12.
INTRODUCTION
As part of the fetal assessment for the Safe Passage Study, we recorded raw data of the fetal ECG via five maternal abdominal wall electrodes from 20 weeks to 23 weeks 6 days' gestation.
MATERIALS
For this study were extracted and analyzed the FHR patterns from the stored raw data in 16 stillbirths where the fetus weighed less than 1000 g and where autopsy was performed.
RESULTS
Birth weights ranged from 190 to 970 g. The proportion FHR signal loss ranged from 0.3% to 21.1%. In the smallest fetus the heart weighed 1.3 g, yet the FHR signal loss was only 0.9%.
引言
作为安全分娩研究中胎儿评估的一部分，我们通过五个母体腹壁电极记录了妊娠20周零天至23周6天的胎儿心电图原始数据。
材料
从存储的原始数据中提取并分析了16例死产胎儿的胎心率模式，这些死产胎儿体重小于1000克且已进行尸检。
结果
出生体重范围为190至970克。胎心率信号丢失比例范围为0.3%至21.1%。最小的胎儿心脏重1.3克，但其胎心率信号丢失仅为0.9%。
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