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Multiple system atrophy

  • Definition

    Multiple system atrophy (MSA) is a rare condition that causes symptoms similar to Parkinson's disease. However, patients with MSA have more widespread damage to the part of the nervous system that controls important functions such as heart rate, blood pressure, and sweating.


    Alternative Names

    Shy-Drager syndrome; Neurologic orthostatic hypotension; Shy-McGee-Drager syndrome; Parkinson's plus syndrome; MSA-P; MSA-C


    Causes, incidence, and risk factors

    The cause is unknown. MSA develops gradually and is most often diagnosed in men older than 60.