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  • Title: [Autonomic function and child chronic fatigue syndrome].
    Author: Tanaka H.
    Journal: Nihon Rinsho; 2007 Jun; 65(6):1105-12. PubMed ID: 17561705.
    Abstract:
    It is postulated that child chronic fatigue syndrome (CFS) involves the autonomic nervous system, although the precise mechanism has not been clearly indicated. This paper reviews recent reports focusing the role of the autonomic nervous system which plays in CFS. Many of the method for measuring autonomic function have appeared in the clinical setting in parallel with advancing computer technology, but these are limited when applied in children. In these blood pressure and heart rate changes during orthostatic stress and these variability are favorably used. As a result, one third of children with CFS showed abnormal cardiovascular adjustment during posture change (orthostatic dysregulation: OD) which is characterized by instantaneous orhthostatic hypotension, postural tachycardia or neurally-mediated syncope. Most of the studies using power spectral analysis of heart rate variability showed sympathetic activation, however no consistent finding has been obtained. In conclusion, autonomic function might be partly involved in CFS such as OD, but its priority in causing CFS is unclear.
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