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

被引:82
作者
Allcock, Liesl M.
Kenny, Rose Anne
Mosimann, Urs Peter
Tordoff, Sherley
Wesnes, Keith A.
Hildreth, Anthony J.
Burn, David J.
机构
[1] Sunderland Royal Hosp, Dept Neurol, Parkinsons Dis Res Unit, Sunderland, England
[2] Newcastle Univ, Inst Ageing & Hlth, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
基金
英国医学研究理事会;
关键词
orthostatic hypotension; cognitive deficits; Parkinson's disease;
D O I
10.1002/gps.1562
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
Background Orthostatic hypotension is common in Lewy body disorders and maybe 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 mm Hg 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 (c) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码:778 / 783
页数:6
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