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Risk of stroke in patients with idiopathic Parkinson disease

Becker, Claudia and Jick, Susan S. and Meier, Christoph R.. (2009) Risk of stroke in patients with idiopathic Parkinson disease. Parkinsonism & related disorders, Vol. 16, no. 1. pp. 31-35.

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Official URL: http://edoc.unibas.ch/dok/A5255148

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Abstract

PURPOSE: Large population based studies on the association of Parkinson disease (PD) with stroke are scarce. This study aimed to quantify the risk of a first-time diagnosis of idiopathic PD in patients with a history of stroke, and to assess incidence rates for stroke in PD patients. METHODS: We used the UK-based General Practice Research Database to compare the prevalence of stroke/TIA in newly diagnosed PD patients and in a matched comparison group without PD between 1994 and 2005. We conducted a follow-up study with a nested case-control analysis to quantify the risk of incident stroke/TIA in relation to a previous PD diagnosis. RESULTS: A history of stroke/TIA was associated with a significantly increased relative risk of being diagnosed with PD compared to patients without such a history (adj. odds ratio [OR] 1.65, 95% confidence intervals [CI] 1.47-2.00). In the cohort study, the crude incidence rate ratios (IRRs) for incident hemorrhagic stroke, ischemic stroke or TIA were 0.66 (95% CI 0.26-1.72), 1.46 (95% CI 1.03-2.07) and 1.86 (95% CI 1.40-2.47), respectively. CONCLUSIONS: In this large observational study the risk of a PD diagnosis was significantly increased after a previous stroke event, as was the risk of a first-time ischemic stroke in newly diagnosed PD patients compared to persons free of PD.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie > Klinische Pharmakologie (Krähenbühl)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie > Klinische Pharmakologie (Krähenbühl)
05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Klinische Pharmazie/Spitalpharmazie (Meier)
UniBasel Contributors:Meier, Christoph R.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier Science
ISSN:1353-8020
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:15
Deposited On:22 Mar 2012 13:33

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