Cardiotocography is the most diffused prenatal diagnostic technique in clinical routine. The simultaneous recording of fetal heart rate and of uterine contractions provides important information about fetal well-being during pregnancy and labour. Advantages of fetal electronic monitoring are indisputable but signal interpretation is still left to physicians’ expertise, lacking of reproducibility and objectivity. It is important to obtain more objective methods of interpretation and to identify new parameters, which can further support physicians’ decisions. In particular, this study aims to find an average power spectrum of fetal heart rate in correspondence of uterine contractions. This can be further, useful information about fetal reactivity during labour. Preliminary results show a power increase in the frequency band 0.03-0.3 Hz, probably due to fetal ANS reactivity. The average trends appear to be related to different fetal behavioural states but a common pattern can be recognised.

Avarage trend of fetal HRV power spectral signals in correspondence of uterine contractions

M. ROMANO
;
2002-01-01

Abstract

Cardiotocography is the most diffused prenatal diagnostic technique in clinical routine. The simultaneous recording of fetal heart rate and of uterine contractions provides important information about fetal well-being during pregnancy and labour. Advantages of fetal electronic monitoring are indisputable but signal interpretation is still left to physicians’ expertise, lacking of reproducibility and objectivity. It is important to obtain more objective methods of interpretation and to identify new parameters, which can further support physicians’ decisions. In particular, this study aims to find an average power spectrum of fetal heart rate in correspondence of uterine contractions. This can be further, useful information about fetal reactivity during labour. Preliminary results show a power increase in the frequency band 0.03-0.3 Hz, probably due to fetal ANS reactivity. The average trends appear to be related to different fetal behavioural states but a common pattern can be recognised.
2002
3901351620
cardiotocography, fetal heart rate spectrum, uterine contractions
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12317/18945
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