Diergaardt E W, Odendaal H J
Department of Obstetrics and Gynaecology, University of Stellenbosch, Parowvallei, CP.
S Afr Med J. 1988 Feb 6;73(3):173-4.
All antenatal fetal heart-rates recorded over 15 months were examined for moderate basal bradycardia (100-120/min). There were 5,644 tests in 3,894 fetuses of which 104 (2.7%) demonstrated bradycardia. This study group was then compared with a randomly selected control group. Fetal outcome (measured by intra-uterine death, number of fetal movements, 5-minute Apgar score and birth weight for gestational age) was similar for the study and control groups. Moderate fetal bradycardia does not seem therefore to indicate fetal jeopardy and delivery for this reason per se is probably unjustified. To avoid unnecessary interference for fetal distress, the range of the normal heart rate should be extended and 100-120/min included as normal.
对15个月内记录的所有产前胎儿心率进行检查，以确定是否存在中度基础心动过缓（每分钟100 - 120次）。在3894例胎儿中进行了5644次检测，其中104例（2.7%）出现心动过缓。然后将该研究组与随机选择的对照组进行比较。研究组和对照组的胎儿结局（通过宫内死亡、胎动次数、5分钟阿氏评分和孕周出生体重来衡量）相似。因此，中度胎儿心动过缓似乎并不表明胎儿处于危险状态，仅因此原因进行分娩可能不合理。为避免对胎儿窘迫进行不必要的干预，正常心率范围应扩大，将每分钟100 - 120次纳入正常范围。
