Assessment of Autonomic Regulation During the Listening of Mother Heart Beat in Newborns

The study will imply 40 preterm and term newborns hospitalized in neonatal intensive care units of the University Hospital of Saint-Etienne (France).

Prematurity birth lead to an early breaking link with the in utero environment. A special attention is brought in the neonatal intensive care units to reduce noise and lighting surrounding aiming to protect the newborn. During the uterine life fetus benefits previously of several auditory stimulations by the maternal voice, the mother's heartbeat. After birth the auditory environment is dramatically modified. Aim of this study is to submit to the newborn an audio recording of his mother's heart beat to analyze the comfort, stress and autonomic response. Heart rate variability (HRV) analysis is a non-invasive tool able to consider autonomic nervous system activity. Previous studies have shown that pleasant feelings are associated with an increase of high frequencies variations index (HFnu index) reflecting a prevalence of parasympathetic activity in the sympathetic-parasympathetic balance. This one can be simply assess by a monitor named NIP? and can provide a comfort index by quantifying the parasympathetic tone.

Assessment of Autonomic Regulation During the Listening of Mother Heart Beat in Newborns

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