September 30, 2015SLEEPOpen Access

The Effect of Gestational Age at Birth on Post-Term Maturation of Heart Rate Variability

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Why the study?

Does prone sleeping affect heart rate variability in preterm and term infants?

Structured PICO

Does prone sleeping affect heart rate variability in preterm and term infants?

Population

52 infants, including very preterm (n=21; mean GA 29.4 ± 0.3 weeks), preterm (n=14; mean GA 33.5 ± 0.3 weeks), and term (n=17; mean GA 40.1 ± 0.3 weeks) infants.

Intervention

Prone sleeping position during daytime polysomnography

Comparator

Supine sleeping position

Outcome

Heart rate variability (HRV) in the low frequency (LF) and high frequency (HF) ranges at 2-4 weeks, 2-3 months, and 5-6 months post-term corrected agesurrogate

Very preterm infants exhibit reduced maturation of high-frequency heart rate variability and altered sympathovagal balance at 2-3 months corrected age, which may contribute to their increased risk of sudden infant death syndrome.

Discussion

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Implication

Very preterm infants exhibit persistent HRV alterations at peak SIDS age; hypothesis-generating for autonomic contributions to SIDS risk and warrants prospective confirmation.

Cite This Study

Fyfe et al. (2015) studied this question.

synapsesocial.com/papers/6a71383be5469ee92be1ce32 https://doi.org/10.5665/sleep.5064

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Implication

Very preterm infants exhibit persistent HRV alterations at peak SIDS age; hypothesis-generating for autonomic contributions to SIDS risk and warrants prospective confirmation.

The Effect of Gestational Age at Birth on Post-Term Maturation of Heart Rate Variability

Structured PICO

Discussion

Implication

Cite This Study

The Effect of Gestational Age at Birth on Post-Term Maturation of Heart Rate Variability

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider