Dip area in fetal heart rate and its relationship to acid-base-observations of fetus and mother during labor

Dip area in fetal heart rate and its relationship to acid-base-observations of fetus and mother... Künzcl et al., Dip arca and acid-basc-observation during labor J. Perinat. Med. 4(1976)271 Wolfgang Künzel, Michael Cornely Frauenklinik der Medizinischen Hochschule Hannover The decrease in fetal heart rate which is seen occasionally in late pregnancy andespecially during labor is usually related to uterine contractions. Since the fall in heart rate is associated with fetal hypoxia [2, 5] an attempt was made to use the dip area (DA) for predicting fetal condition. Dip area was related to the pH in the umbilical vein [9] and to one scalp blood sample taken after measuring DA [8]. Neither the pH in the umbilical vein gives a reliable index for fetal condition nor one scalp blood sample can indicate the changes in pH and BE which are expected during the presence of deceleration. This can only be a vague approximation describing the relationship of DA and acid base observations. Maternal Pco2 and blood lactate transfer from mother to the fetus and reverse äs shown by KASTENDIECK and MOLL [4] in animal experiments can influence the fetal pH and base excess. Maternal acid base observations were neverstudied in connection with DA. In previous experiments [3] we have already undertaken an attempt to quantify http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Perinatal Medicine de Gruyter

Dip area in fetal heart rate and its relationship to acid-base-observations of fetus and mother during labor

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Publisher
de Gruyter
Copyright
Copyright © 2009 Walter de Gruyter
ISSN
0300-5577
eISSN
1619-3997
DOI
10.1515/jpme.1976.4.4.271
Publisher site
See Article on Publisher Site

Abstract

Künzcl et al., Dip arca and acid-basc-observation during labor J. Perinat. Med. 4(1976)271 Wolfgang Künzel, Michael Cornely Frauenklinik der Medizinischen Hochschule Hannover The decrease in fetal heart rate which is seen occasionally in late pregnancy andespecially during labor is usually related to uterine contractions. Since the fall in heart rate is associated with fetal hypoxia [2, 5] an attempt was made to use the dip area (DA) for predicting fetal condition. Dip area was related to the pH in the umbilical vein [9] and to one scalp blood sample taken after measuring DA [8]. Neither the pH in the umbilical vein gives a reliable index for fetal condition nor one scalp blood sample can indicate the changes in pH and BE which are expected during the presence of deceleration. This can only be a vague approximation describing the relationship of DA and acid base observations. Maternal Pco2 and blood lactate transfer from mother to the fetus and reverse äs shown by KASTENDIECK and MOLL [4] in animal experiments can influence the fetal pH and base excess. Maternal acid base observations were neverstudied in connection with DA. In previous experiments [3] we have already undertaken an attempt to quantify

Journal

Journal of Perinatal Medicinede Gruyter

Published: Jan 1, 1976

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