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KMID : 0371219920140010182
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Medical Bulletin of the Presbyterian Medical Center
1992 Volume.14 No. 1 p.182 ~ p.189
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Corrleation of Fetal Heart Rate patterns in 2nd Stage of Labor, Apgar Score of newborns and Arterial pH
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김현삼
이승철/장종호/이영호
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Abstract
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Accurate assement of fetal condition during labor constitutes one of the major problems of modern obstetrics. Intrapartum fetal heart rate monitoring has been widely used to assess the degree of risk in the management of the fetus at risk
especially in
the 1st stage of labor. It has been known that various fetal heart rate patterns could be seen in the 2nd stage of labor, but the accurate interpretation about that has not been established. So this study was performed in attempt to evaluate the
significance of various not bee established. So this study was performed in an attempt to evaluate the significance of various fetal heart rate patterns seen in 2nd stage of labor and to determine whether there was any correlation between fetal
heart
rate patterns, umbilical pll and 1 minute Apgar score of newborns. 864 high risk pregnant women were investigated by conducting the direct fetal monitoring from the onset to the 2nd stage of labor.
@ES The results were as follows:
@EN 1) Among the abnormal fetal heart rate patterns seen in 2nd stage of labor, the variable deceleration appeared most frequently and its incidence was 51.6%/
2) The mean value of fetal umbilical arterial pll and 1 minute Aapgar score were shown gradually lower value in the following order of acceleration, variable deceleration, late deceleration, prolonged deceleration. Also the more severe the
degree
of
variable deceleration, the lower the mean value of fetal umbilical arterial pall and 1 minute Apgar score.
3) When the fetal umbilical arterial pH lovered below the level of 7.25, severe variable deceleration, late deceleration and prolonged deceleration were observed remarkably.
4) The incidence of fetal distress leading to Cesarean section increased by year, the reason for this increment was thought to overemphasized fetal distress and not-well established criteria for fetal distress.
5) There were no specific maternal and fetal complication with applications of scalp electrodes, and perinatal mortality rate was decreased, especially after the period of fetal monitoring application.
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KEYWORD
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