Maturation of the Autonomic Nervous System in Prematures
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Herat rate variability (HRV) characteristics [ Time Frame: 3 years ]
It is well known that maturation of the autonomic nervous system can be detected by heart rate variability in children. The purpose of this study is to apply HRV characteristics in premature infants and try to evaluate if there are noticable changes in these parameters both in "healthy" and diseased premature infants longitudinally during their stay at the NICU. Outcome measures to be studied are very low frequency ( VLF), low-frequency ( LF), high frequency (HF) frequency bands in the power spectrum density (PSD) of HRV records.
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