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Prevalence of Sjögren's syndrome with dementia in a memory clinic.
MedLine Citation:
PMID:  22901967     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Sjögren's syndrome (SS) is an autoimmune disorder involving the exocrine glands, which affects 1.9-3.0% of the elderly population. Approximately 20% of all patients with SS have CNS involvement, including dementia, as a result of angiitis. AIMS: The aim of the study was to clarify the prevalence and impact of SS among patients in a memory clinic. METHODS: This study prospectively recruited patients with cognitive dysfunction in a memory clinic from 2007 to 2010. In addition to the examinations for dementia, the patients' levels of anti-SSA and SSB antibodies were measured. Schirmer's test and/or a lip biopsy were added if required. SS was diagnosed based on the American European consensus criteria. RESULTS: Out of 276 cases who completed the examinations, 265 (97/168 males/females, mean age: 77.9, median MMSE score: 23) did not demonstrated cognitive decline. Sixteen (6.3%) and seven (2.7%) patients were positive for anti-SS-A and SS-B antibodies, respectively. Twenty patients (7.5%) were diagnosed with primary SS (mean age: 77.2years old, median MMSE: 21). Seven of these patients had previously been diagnosed with MCI (VCIND: 5, aMCI: 2), and 13 had been diagnosed with dementia. All had asymmetrical focal hypoperfusion on SPECT, and eighteen had subcortical lesions on MRI. Twelve were treated for dementia (median time: 2.1years), and their MMSE significantly improved (median MMSE: 26, p=0.0019), while the non-SS subjects' MMSE declined (n=126, median: 22). CONCLUSION: The patients with SS accounted for 7.5% of those with a cognitive decline as determined at a memory clinic, and are characterized by subcortical white matter lesions and asymmetric hypoperfusion.
Kenji Yoshikawa; Jun Hatate; Naomi Toratani; Shiro Sugiura; Yoshiomi Shimizu; Tsutomu Takahash; Taiji Ito; Ryuzo Fukunaga
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-16
Journal Detail:
Title:  Journal of the neurological sciences     Volume:  -     ISSN:  1878-5883     ISO Abbreviation:  J. Neurol. Sci.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375403     Medline TA:  J Neurol Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
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