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目的 分析异常胎儿心电图的构成情况,研究初次检测的最佳时机。方法将孕18~37周的1026例孕妇行常规胎儿心电图检查,统计出各类异常胎儿心电图的发生率及相关情况。结果异常胎儿心电图检出率为9.06%,其中,最多见为ST段压低、胎儿心动过速、ST段抬高,构成比分别为66.66%、10.75%、10.75%;11例ST段压低跟踪超检测,7例有胎儿脐带绕颈现象。结论在孕产期保健中,胎儿心电图作为一种常规检测手段是必要的;ST段压低比例最高;脐带因素是ST段压低的主要原因之一;孕23~27周段为最佳初检时机。
Objective To analyze the composition of abnormal fetal ECG and to study the best timing of initial detection. Methods A total of 1026 pregnant women aged from 18 to 37 weeks underwent routine fetal electrocardiogram (ECG) examination, and the incidence of abnormal fetal ECGs and their related status were calculated. Results The detection rate of abnormal fetus ECG was 9.06%, of which the most was ST-segment depression, fetal tachycardia and ST-segment elevation, with the proportions of 66.66%, 10.75% and 10.75%, respectively. Eleven ST-segment depression and follow- Testing, 7 cases of fetal umbilical cord around the neck phenomenon. Conclusions Fetal electrocardiogram (ECG) is a routine measure in pregnancy and childbirth. The highest ST-segment depression is the most important factor. Umbilical cord factors are one of the main causes of ST depression. Pregnancy 23-27 weeks is the best initial timing .