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Eur J Neurol. 2007 Dec;14(12):1405-8. Epub 2007 Oct 17.

Autonomic dysfunction in 3414 Parkinson's disease patients enrolled in the German Network on Parkinson's disease (KNP e.V.): the effect of ageing.

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Department of Neurology, University of Rheinische Friedrich Wilhelms, Bonn, Germany.


We analysed non-motor symptoms (NMS) related to autonomic dysfunction in 3414 patients with Parkinson's disease (PD) enrolled in the multicentre registry of the German Competence Network on PD. Orthostatic hypotension (> 20 mmHg systolic or > 10 mmHg diastolic) was reported for 10% of women and 11% of men, urinary incontinence for 22% of women and 21% of men, sexual dysfunction for 8% of women and 30% of men (50% of whom reported erectile dysfunction) and sleep disturbances for 43% of women and 35% of men. Autonomic symptoms occurred in a frequency similar to severe disabling dyskinesia which was reported for 16% of women and 11% of men. A logistic regression analyses with age, sex and disease duration as covariates revealed a significant correlation of orthostatic hypotension and urinary incontinence with age and disease duration whilst sexual dysfunction was related to age only. These observations suggests that the effects of the PD process and ageing contribute to non-levodopa responsive NMS. Sleep disturbances were more common in women and a correlation was found with disease duration only supporting the notion that sleep is specifically affected in PD.

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