from Section 1 - Epidemiology and Types of Disorders
Published online by Cambridge University Press: 12 September 2020
Idiopathic Parkinson’s disease (PD) is the second most common neurodegenerative disorder after Alzheimer’s disease (AD), and motorically it is characterized by tremor, ridigity, bradykinesia, and postural instability. Whilst it was historically considered to be a movement disorder there are multiple non-motor symptoms, which often precede the motor symptoms by years or even decades. These include dysautonomia, sleep disturbances, neuropsychiatric disturbances, pain, and sensory problems. These have a negative effect on quality of life and are associated with overall higher carer burden and, potentially, higher care costs whilst being frequently undeclared by patients.
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