胎动与胎儿心率加速的耦合作为胎儿健康的指标。
Coupling of fetal movement and fetal heart rate accelerations as an indicator of fetal health.
作者信息
Baser I, Johnson T R, Paine L L
机构信息
Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland.
出版信息
Obstet Gynecol. 1992 Jul;80(1):62-6.
OBJECTIVE
The purpose of this study was to determine the clinical value of identified coupling of fetal heart rate (FHR) accelerations (more than five beats per minute for any duration) with objectively detected fetal movements.
METHODS
One hundred sixty-six patients underwent routine fetal testing using a Doppler device that recognized both FHR and fetal movements. The coupling index was determined to be the percentage of fetal movements associated with FHR accelerations, and various coupling indices were compared with nonstress test (NST) results.
RESULTS
A coupling index above 25% and below 75% compared well with the traditional NST by standard epidemiologic criteria and by the kappa statistic.
CONCLUSION
Coupling of even small FHR accelerations and fetal movements could substitute for or replace the NST in antenatal screening.
目的
本研究的目的是确定已识别的胎儿心率（FHR）加速（每分钟超过五次，持续任何时长）与客观检测到的胎儿运动之间耦合的临床价值。
方法
166例患者使用能识别FHR和胎儿运动的多普勒设备进行常规胎儿检测。耦合指数被确定为与FHR加速相关的胎儿运动的百分比，并将各种耦合指数与无应激试验（NST）结果进行比较。
结果
根据标准流行病学标准和kappa统计量，25%以上且低于75%的耦合指数与传统NST的结果相当。
结论
即使是小幅度的FHR加速与胎儿运动之间的耦合也可在产前筛查中替代NST。
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