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目的简述胎儿心电图(FECG)的操作分析及检查结果探讨FECG的临床应用价值。方法 300例正常孕妇进行常规FECG的检查,并记录分析。结果 300例孕妇进行产前常规FECG检查,成功293例,成功率为97.7%,293例中异常36例,异常率12.3%。异常的FECG中以ST段改变最多,ST段抬高5例与ST段压低15例,占55.6%。其次是FQRS振幅增宽6例、胎儿心动过速4例,占27.8%,其他异常共6例。36例FECG异常中,发现胎儿窘迫(宫内缺氧)24例(66.7%),其次为胎儿发育迟缓(胎儿过小)8例(22.2%)与羊水过少6例(16.7%),出现巨大儿2例(5.6%),过期妊娠2例(5.6%),无胎儿畸形。结论 FECG可详细的反应胎儿的各项参数,比如FECG的各波时值、振幅,可通过FECG来检查胎儿的状态,是否有宫内缺氧、心律不齐或心动加速,检查方法安全有效,在胎儿检查上具有重要的临床意义。
Objective To summarize the operational analysis of fetal electrocardiogram (FECG) and the examination results to explore the clinical value of FECG. Methods 300 normal pregnant women were examined by routine FECG and recorded and analyzed. Results A total of 300 pregnant women underwent prenatal routine FECG examinations. The success rate was 97.7% in 293 cases, 36 cases were abnormal in 36 cases, and the abnormal rate was 12.3%. In the abnormal FECG, ST segment changed the most, ST segment elevation in 5 cases and ST segment depression in 15 cases, accounting for 55.6%. Followed by the widening of FQRS amplitude in 6 cases, 4 cases of fetal tachycardia, accounting for 27.8%, 6 cases of other abnormalities. Among 36 cases of FECG abnormalities, 24 cases (66.7%) of fetal distress (intrauterine hypoxia) were found, followed by 8 cases (22.2%) with oligohydramnios and 16.7% 2 cases (5.6%) of giant children, 2 cases of overdue pregnancy (5.6%), no fetal malformations. Conclusion FECG can reflect various parameters of the fetus in detail, such as the time and amplitude of each wave in FECG. FECG can be used to check the status of the fetus, whether intrauterine hypoxia, arrhythmia or cardioverter acceleration, the method of examination is safe and effective, In fetal examination has important clinical significance.