Small Vessel Disease on Neuroimaging in a 75-Year-Old Cohort (PIVUS): Comparison With Cognitive and Executive Tests.

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Nylander, RutaUppsala universitet,Radiologi (author)

Small Vessel Disease on Neuroimaging in a 75-Year-Old Cohort (PIVUS) : Comparison With Cognitive and Executive Tests.

Article/chapterEnglish2018

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2018-07-16
Frontiers Media SA,2018
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:uu-356786
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-356786URI
https://doi.org/10.3389/fnagi.2018.00217DOI

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Language:English
Summary in:English

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Subject category:art swepub-publicationtype

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Background and Purpose: Signs of small vessel disease (SVD) are commonly seen on magnetic resonance imaging (MRI) of the brain in cognitively healthy elderly individuals, and the clinical relevance of these are often unclear. We have previously described three different MRI manifestations of SVD as well as cerebral perfusion in a longitudinal study of non-demented 75-year-old subjects. The purpose of the present study was to evaluate the relationship of these findings to cognition and executive function at age 75 and changes after 5 years. Methods: In all, 406 subjects from the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study were examined with MRI of the brain at age 75 years. Two-hundred and fifty of the subjects were re-examined 5 years later. White matter hyperintensities (WMHs) and lacunar infarcts (LIs) were assessed on both occasions, but microbleeds (MBs) and perfusion only at age 75. Cognitive function was screened by the Mini Mental State Examination (MMSE). Trail Making Test A and B (TMT-A and TMT-B) were performed at baseline and at follow-up at age 80. Results: At baseline, 93% performed >27 points in the MMSE. The TMT-B at age 75 was significantly related to WMH visual scoring after adjustment for sex, education and cerebrovascular disease risk factors (+80 s (95% CI 0.3-161 s), P < 0.05 for grade 2-3 vs. grade 0). Neither MMSE nor TMT-A was significantly related to WMH scoring. There was no relation between any test performance and WMH volume, white matter volume, number of MBs or brain perfusion at age 75. Subjects who had sustained a new LI (n = 26) showed a greater increase of the time to perform TMT-A at the 5-year follow-up (+25 s vs. +4 s in LI-free subjects, P = 0.003). Changes in MMSE or TMT-A and -B test performance between ages 75 and 80 were not related to changes in WMH scoring or volume during the 5 years follow-up, or to brain perfusion at age 75. Conclusion: In this cognitively healthy community-based population, moderate-severe WMHs and incident LIs on brain MRI in individuals aged 75-80 years were associated with a mild impairment of processing speed and executive function.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Geriatrik hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Geriatrics hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Annan medicin och hälsovetenskap Gerontologi, medicinsk/hälsovetenskaplig inriktning hsv//swe
MEDICAL AND HEALTH SCIENCES Other Medical and Health Sciences Gerontology, specialising in Medical and Health Sciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Neurologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Neurology hsv//eng
cognitive tests
lacunar infarct
magnetic resonance imaging
perfusion
small vessel disease
white matter hyperintensities

Added entries (persons, corporate bodies, meetings, titles ...)

Kilander, LenaUppsala universitet,Geriatrik(Swepub:uu)lekil226 (author)
Ahlström, Håkan,1953-Uppsala universitet,Radiologi(Swepub:uu)hakanahl (author)
Lind, LarsUppsala universitet,Kardiovaskulär epidemiologi(Swepub:uu)larslind (author)
Larsson, Elna-MarieUppsala universitet,Radiologi(Swepub:uu)elnla305 (author)
Uppsala universitetRadiologi (creator_code:org_t)

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In:Frontiers in Aging Neuroscience: Frontiers Media SA101663-4365

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