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SHR Neuro Krebs Kardio Lipid Stoffw Microb

Kolland, M; Hofer, E; Pirpamer, L; Eibl, D; Enzinger, C; Rosenkranz, AR; Schmidt, R.
Kidney function, brain morphology and cognition in the elderly: sex differences in the Austrian Stroke Prevention Study.
Aging (Albany NY). 2022; 14(1):240-252 Doi: 10.18632/aging.203829 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Kolland Michael
Schmidt Reinhold
Co-Autor*innen der Med Uni Graz
Enzinger Christian
Hofer Edith
Kern Daniela
Pirpamer Lukas
Rosenkranz Alexander

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Impaired kidney function is associated with structural brain changes and cognitive dysfunction. In the aging kidney, hemodynamic and structural alterations reduce the glomerular filtration rate (eGFR). Little is known about differences between men and women regarding decline of kidney function and brain damage. In this community-based study, we assessed associations between the eGFR, focal and diffuse brain abnormalities and cognitive functions. Sex-specific effects were analyzed by interaction terms eGFR x sex on brain structure and cognition. Interactive effects were assessed using mixed-models -stratified by sex. Overall, 196 women and 129 men (median age 68 years and mean eGFR 73.8±14.9 ml/min/1.73m2) were included. Significant associations existed between eGFR and cortical volume (β: 1.53E-04; SE: 6.72E-05; p=0.023 for neocortex). Sex exerted a significant interactive effect. Only in men, eGFR related to cortical volumes of all lobes and of deep gray matter structures (p= 0.001 for total gray matter, p=0.0004 for neocortex). In the whole group eGFR was not associated with cognition, but men with lower eGFR performed worse on tests for executive function, which, after FDR correction, was not significant. We conclude, that in community-dwelling middle-aged and elderly individuals, reduced eGFR relates to brain volume loss in men but not in women.
Find related publications in this database (using NLM MeSH Indexing)
Aged - administration & dosage
Austria - epidemiology
Brain - anatomy & histology
Cognition - physiology
Cross-Sectional Studies - administration & dosage
Female - administration & dosage
Glomerular Filtration Rate - physiology
Humans - administration & dosage
Independent Living - administration & dosage
Kidney - physiology
Male - administration & dosage
Middle Aged - administration & dosage
Stroke - prevention & control

Find related publications in this database (Keywords)
kidney function
brain morphology
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