Preterm Infant's Heart Rate Variability Near Birth Predicts Autonomic Symptoms at Age 3 to 5 Years.

 To describe the autonomic function of premature infants born between 28 and 32 weeks of gestation, without medical risk factors, at the age of 3 to 5 years and to assess whether it's possible to predict the appearance of autonomic deficits in these children at this age range.  This follow-up study included 40 out of 55 premature infants born between weeks 28 and 32 during 2018 to 2020. During 2022 to 2023 parents were asked to report on medical and developmental follow-up and treatment, functional characteristics of the autonomic system, and the age at which walking was achieved.

The Prevalence of Bladder and Bowel Dysfunction in Children with Cerebral Palsy and its Association with Motor, Cognitive, and Autonomic Function.

Purpose: To describe the prevalence of bladder and bowel dysfunction (BBD) in 8-10-year-old children with cerebral palsy and its association with motor, cognitive, and autonomic dysfunction.

Methods: A cross-sectional, random sample study of parents of 8-10-year-old children with cerebral palsy. Tools: The Enuresis/Urinary Incontinence Parental Questionnaire, the Functional Independence Measure children's version, the autonomic signs questionnaire, and the Gross Motor Function Classification System.

High frequency band limits in spectral analysis of heart rate variability in preterm infants.

Objectives: The current study aims to assess different high-frequency (HF) band power calculations based on different frequency bandwidth values, and compare them with the time domain the root mean square of successive RR differences (RMSSD) value in preterm infants.

Methods: At week 32, electrocardiogram (ECG) and breathing rate (BR) were recorded for 24 h on 30 preterm infants born between 28 and 32 weeks. The recording held in the neonatal intensive care unit without any interruption of routine.

Reproducibility of 24-h heart rate variability measures in preterm infants born at 28-32 weeks of gestation.

Aims: To determine the reproducibility and minimum detectable change (MDC) of heart rate variability (HRV) measures during two sequential 24-h periods, at week 32 of gestation, in preterm infants born between 28 and 32 weeks, hospitalized in the neonatal intensive care unit (NICU). The second aim is to assess postnatal changes in HRV measures between 32 and 35 weeks.

Study Design: 32 preterm infants born between 28 and 32 weeks of gestation were recruited.