Association of serum cystatin C with white matter abnormalities in patients with amnestic mild cognitive impairment

Aim White matter hyperintensities (WMH) on MRI have been reported to be a risk factor for the conversion from mild cognitive impairment (MCI) to Alzheimer's disease, although the reason remains unclear. In the present study, we hence investigated the associations between WMH volumes and cogniti...

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Published inGeriatrics & gerontology international Vol. 19; no. 10; pp. 1036 - 1040
Main Authors Hirao, Kentaro, Yamashita, Fumio, Tsugawa, Akito, Haime, Rieko, Fukasawa, Raita, Sato, Tomohiko, Okita, Misa, Shimizu, Soichiro, Kanetaka, Hidekazu, Umahara, Takahiko, Sakurai, Hirofumi, Hanyu, Haruo
Format Journal Article
LanguageEnglish
Published Kyoto, Japan John Wiley & Sons Australia, Ltd 01.10.2019
Blackwell Publishing Ltd
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Summary:Aim White matter hyperintensities (WMH) on MRI have been reported to be a risk factor for the conversion from mild cognitive impairment (MCI) to Alzheimer's disease, although the reason remains unclear. In the present study, we hence investigated the associations between WMH volumes and cognitive function, blood levels of various molecules, and the presence of lifestyle‐associated diseases in patients with amnestic MCI. Methods The initial data of 38 patients with amnestic MCI and 10 normal control individuals were analyzed. The volumes of periventricular hyperintensities (PVH) and deep WMH (DWMH) were measured on T2 fluid‐attenuated inversion recovery using the imaging software, 3D Slicer; and the association between PVH/DWMH volumes and cognitive function, blood levels of molecules (such as cystatin C [CysC], 25‐hydroxyvitamin D and homocysteine) and the presence of lifestyle‐associated diseases (such as hypertension, hyperlipidemia and diabetes mellitus) were analyzed. Results In the MCI group, the PVH volume : intracranial volume ratio significantly correlated with Trail Making Test‐A/B scores and CysC level by Pearson's analysis, and the PVH volume : intracranial volume ratio significantly correlated with only CysC levels, whereas the DWMH volume : intracranial volume ratio did not correlate with any items at all by linear multiple regression analysis. Conclusions PVH volume was closely associated with frontal lobe dysfunction, particularly with attention and executive dysfunction. Serum CysC level was associated with PVH volume, which suggests that CysC might be a useful marker for determining treatment strategies for white matter abnormalities in amnestic MCI. Geriatr Gerontol Int 2019; 19: 1036–1040.
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ISSN:1444-1586
1447-0594
DOI:10.1111/ggi.13767