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Is postural orthostatic tachycardia syndrome (POTS) a central nervous system disorder?, 2021, Blitshteyn

Discussion in 'Health News and Research unrelated to ME/CFS' started by Sly Saint, Mar 8, 2021.

  1. Sly Saint

    Sly Saint Senior Member (Voting Rights)

    Messages:
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    UK
    Article in Journal of Neurology.
    Abstract


    Postural orthostatic tachycardia syndrome (POTS), a disorder of the autonomic nervous system characterized by a rise in heart rate of at least 30 bpm from supine to standing position, has been traditionally viewed as a dysfunction of the peripheral nervous system. However, recent studies and evidence from overlapping conditions suggest that in addition to being considered a disorder of the peripheral nervous system, POTS should be viewed also as a central nervous system (CNS) disorder given
    (1) significant CNS symptom burden in patients with POTS;
    (2) structural and functional differences found on neuroimaging in patients with POTS and other forms of orthostatic intolerance;
    (3) evidence of cerebral hypoperfusion and possible alteration in cerebrospinal fluid volume, and (4) positive response to medications targeting the CNS and non-pharmacologic CNS therapies. This review outlines existing evidence of POTS as a CNS disorder and proposes a hypothetical model combining key mechanisms in the pathophysiology of POTS. Redefining POTS as a CNS disorder can lead to new possibilities in pharmacotherapy and non-pharmacologic therapeutic interventions in patents affected by this disabling syndrome.

    https://link.springer.com/article/10.1007/s00415-021-10502-z
     

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