Day-to-day dynamics of fetal heart rate variability to detect chorioamnionitis in preterm premature rupture of membranes
2025

Fetal Heart Rate Variability and Chorioamnionitis in Preterm Premature Rupture of Membranes

Sample size: 120 publication Evidence: moderate

Author Information

Author(s): Taoum Aline, Carrault Guy, Tesson Caroline, Esvan Maxime, Laviolle Bruno, Lassel Linda

Primary Institution: LTSI, Université de Rennes, INSERM, Rennes, France

Hypothesis

The study aims to evaluate the dynamics of fetal heart rate in a population with preterm premature rupture of membranes according to the presence or absence of chorioamnionitis.

Conclusion

The study suggests that heart rate variability features are more reliable for diagnosing chorioamnionitis than computerized fetal heart rate features.

Supporting Evidence

  • The study included 120 pregnant women with PPROM, but only 39 were analyzed.
  • Significant differences in fetal heart rate features were found between chorioamnionitis and non-chorioamnionitis groups.
  • The area under the curve for distinguishing stage 3 chorioamnionitis reached 90% for nonlinear-domain features.

Takeaway

Doctors looked at how babies' heart rates change before birth to see if it could help tell if there was an infection called chorioamnionitis. They found that looking at the heart rate changes over a few days was really helpful.

Methodology

This multicenter prospective study analyzed fetal heart rate recordings and variability in pregnant women with preterm premature rupture of membranes.

Limitations

The study had a low number of analyzable subjects, particularly in the stage 3 chorioamnionitis group.

Participant Demographics

The mean age of participants was 30 years, with a sample of 120 pregnant women enrolled.

Statistical Information

P-Value

p<0.05

Confidence Interval

[34–40] for cFHR features and [59–66] for time-domain FHRV features.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0305875

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