Key result
Low short-term fetal heart rate variability linked to ~24% higher absolute risk of poor neonatal outcomes.
Why the study?
Objective quantification of short-term variability of baseline fetal heart rate is necessary for consistently reliable assessment of fetal well-being.
Does low short-term variability of fetal heart rate predict poor neonatal outcome in patients monitored during labor?
Population
45 patients internally monitored during labor
Comparison
Low-variability (≤ 2.75 b.p.m.) vs high-variability (> 2.75 b.p.m.) groups
Design
Retrospective clinical evaluation of STV quantification technique
Authors
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May warrant closer intrapartum monitoring; leaves open whether variability-guided interventions improve outcomes in cohort data.
Observational (n=45)
No
Does low short-term variability of fetal heart rate predict poor neonatal outcome in patients monitored during labor?
Absolute Event Rate: 28.7% vs 4.3%
Low short-term variability of fetal heart rate (≤2.75 bpm) during labor is significantly associated with poor neonatal outcomes.
Maulik et al. (1983) conducted an observational in Fetal monitoring during labor (n=45). Low short-term variability (STV < 2.75 bpm) vs. High short-term variability (STV > 2.75 bpm) was evaluated on High-risk neonatal outcome (Hobel's neonatal risk score > 75). Low short-term variability of fetal heart rate during labor was associated with a 28.7% incidence of poor neonatal outcome compared to 4.3% in cases with high variability.
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