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Sökning: L773:0197 4580 OR L773:1558 1497 > Soininen H

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  • Olomon, A. S., et al. (författare)
  • Serum total cholesterol, statins and cognition in non-demented elderly
  • 2009
  • Ingår i: Neurobiology of Aging. - : Elsevier BV. - 0197-4580 .- 1558-1497. ; 30:6, s. 1006-1009
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The association between serum total cholesterol (TC), lipid-lowering drugs and cognition in the elderly is currently controversial. Objective: To investigate the relationship between TC, lipid-lowering drugs and cognitive functions in non-demented elderly. Design and Setting: Participants of the Cardiovascular risk factors, aging and dementia (CAIDE) study were derived from random, population-based samples previously studied in 1972, 1977, 1982 or 1987. Analyses are based on 1382 non-demented participants re-examined in 1998 after an average follow-up of 21 years. Results: High midlife TC was associated with poorer late-life episodic memory and category fluency. TC decreased in most individuals over time. A more pronounced decrease was related to poorer late-life episodic memory and psychomotor speed, but not if subjects used statins. Conclusions: The TC-cognition relationship seems bidirectional. High midlife TC is associated with poorer late-life cognition, but decreasing TC after midlife may reflect poorer cognitive status. Statins may be beneficial for cognition in non-demented elderly.
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  • Vos, S., et al. (författare)
  • Test sequence of CSF and MRI biomarkers for prediction of AD in subjects with MCI
  • 2012
  • Ingår i: Neurobiology of Aging. - : Elsevier BV. - 0197-4580 .- 1558-1497. ; 33:10, s. 2272-2281
  • Tidskriftsartikel (refereegranskat)abstract
    • Our aim was to identify the best diagnostic test sequence for predicting Alzheimer's disease (AD)-type dementia in subjects with mild cognitive impairment (MCI) using cerebrospinal fluid (CSF) and magnetic resonance imaging (MRI) biomarkers. We selected 153 subjects with mild cognitive impairment from a multicenter memory clinic-based cohort. We tested the CSF beta amyloid (A beta)1-42/tau ratio using enzyme-linked immunosorbent assay (ELISA) and hippocampal volumes (HCVs) using the atlas-based learning embeddings for atlas propagation (LEAP) method. Outcome measure was progression to AD-type dementia in 2 years. At follow-up, 48 (31%) subjects converted to AD-type dementia. In multivariable analyses, CSF A beta 1-42/tau and HCV predicted AD-type dementia regardless of apolipoprotein E (APOE) genotype and cognitive scores. Test sequence analyses showed that CSF A beta 1-42/tau increased predictive accuracy in subjects with normal HCV (p < 0.001) and abnormal HCV (p = 0.025). HCV increased predictive accuracy only in subjects with normal CSF A beta 1-42/tau (p = 0.014). Slope analyses for annual cognitive decline yielded similar results. For selection of subjects for a prodromal AD trial, the best balance between sample size and number of subjects needed to screen was obtained with CSF markers. These results provide further support for the use of CSF and magnetic resonance imaging biomarkers to identify prodromal AD. (c) 2012 Elsevier Inc. All rights reserved.
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