Summary
In 22 pregnant women the influence of smoking on the fetal heart rate was recorded.
In 27 investigations, changes in the fetal heart rate occurred 25 times: 10 times there was a tachycardia, 8 times a decrease in fluctuation with tachycardia and 7 times a decrease in fluctuations only.
In 10 patients the influence of smoking on the uteroplacental and cardiac blood pools was examined.
In 5 cases there was first a slight decrease followed by an increase while in the other 5 cases only an increase in uteroplacental blood pool was recorded. Reciprocal changes in the cardiac blood pool occurred only in 6 cases. The possible reasons for these effects on the fetal heart rate and utero-placental blood volume are discussed.
Zusammenfassung
Bei 22 Patientinnen wurde der Einfluß des Rauchens auf die fetale Herzfrequenz registriert.
Bei insgesamt 27 Untersuchungen wurden 25mal Veränderungen des fetalen Herzfrequenzmusters gefunden: in 10 Fällen eine Tachycardie, in 8 Fällen eine Einschränkung der Fluktuation mit Tachycardie und in 7 Fällen nur eine Fluktuationseinschränkung.
Bei 10 Patientinnen wurde der Einfluß des Rauchens auf das utero-placentare und kardiale Blutvolumen untersucht.
In 5 Fällen wurde nach einer initialen leichten Abnahme eine Zunahme und bei 5 weiteren Patientinnen nur eine Zunahme des utero-placentaren Blutvolumens festgestellt. Reziproke Veränderungen des kardialen Blutvolumens traten in 6 Fällen auf. Die möglichen Ursachen für diese Veränderungen des fetalen Herzfrequenzmusters und des utero-placentaren Blutvolumens unter Rauchen werden diskutiert.
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Cloeren, S.E., Lippert, T.H. & Fridrich, R. The influence of cigarette smoking on fetal heart rate and uteroplacental blood volume. Arch. Gynak. 216, 15–22 (1973). https://doi.org/10.1007/BF00672670
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DOI: https://doi.org/10.1007/BF00672670