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Orthostatic hypotension in Parkinson's disease: Association with cognitive decline?

Lookup NU author(s): Dr Liesl Allcock, Professor Rose Anne Kenny, Dr Urs Mosimann, Sherley Tordoff, Anthony Hildreth, Professor David BurnORCiD

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Abstract

Background: Orthostatic hypotension is common in Lewy body disorders and may be related to disease progression and the spread of Lewy body pathology. We therefore hypothesize that PD patients with orthostatic hypotension (OH) have a different cognitive profile compared to PD patients without OH. Methods: This cross-sectional study included 175 PD patients. Blood pressure (BP) was measured with a validated digital blood pressure monitor and patients with a systolic BP drop of ≥20 mmHg or a systolic pressure of <90 mm Hg after standing were considered to have OH. Cognition was assessed using MMSE extended by a selection of computerized cognitive tests focusing on reaction time, sustained attention, working memory and episodic verbal and visual memory. Results: Eighty-seven (49.7%) of the PD patients had OH. These patients were significantly more impaired in sustained attention and visual episodic memory compared to PD patients without OH. Conclusion: We conclude that there are differences in the neuropsychological performance of patients with PD and OH, supporting the hypothesis that OH might be a marker for disease progression and cognitive decline in PD. Copyright © 2006 John Wiley & Sons, Ltd.


Publication metadata

Author(s): Allcock LM, Kenny RA, Mosimann UP, Tordoff S, Wesnes KA, Hildreth AJ, Burn DJ

Publication type: Article

Publication status: Published

Journal: International Journal of Geriatric Psychiatry

Year: 2006

Volume: 21

Issue: 8

Pages: 778-783

ISSN (print): 0885-6230

ISSN (electronic): 1099-1166

Publisher: John Wiley & Sons Ltd.

URL: http://dx.doi.org/10.1002/gps.1562

DOI: 10.1002/gps.1562


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Funding

Funder referenceFunder name
G0400074Medical Research Council
G0502157Medical Research Council

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