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Long-term dysglycemia as a risk factor for faster cognitive decline during aging : a 12-year follow-up study |
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| Author: | Rotonen, Sanna1,2; Auvinen, Juha1,3; Bloigu, Aini1; |
| Organizations: |
1Centre for Life Course Health Research, Faculty of Medicine, University of Oulu, Finland 2Oulunkaari Health Center, Ii, Finland 3Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland
4Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, Finland
5Unit of Primary Care, Oulu University Hospital and Medical Research Center Oulu, Oulu, Finland 6Healthcare and Social Services of Selänne, Pyhäjärvi, Finland |
| Format: | article |
| Version: | accepted version |
| Access: | embargoed |
| Persistent link: | http://urn.fi/urn:nbn:fi-fe2022013111401 |
| Language: | English |
| Published: |
Elsevier,
2021
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| Publish Date: | 2022-09-09 |
| Description: |
AbstractAims: This longitudinal study evaluated associations between glucose metabolism and cognitive performance during a 12-year follow-up. Methods: We included 714 subjects, which were followed from the age 55 to 70 years. Using oral glucose tolerance tests the population was classified as normoglycemic (NGT) and based on WHO diagnostic criteria for diabetes and prediabetes. Cognitive performance was assessed with a verbal fluency (category) test and wordlist learning tests of CERAD-nb, a verbal fluency (letter) test, and trail-making tests A and B. Results: Compared to the normal group subjects with long-lasting prediabetes showed significantly greater decline (4.6 versus 2.9 words) on the verbal fluency (category) test (p = 0.041); subjects with long-lasting type 2 diabetes showed significantly greater decline (13 versus 6 s) on the trail making A test (p = 0.021) and on the wordlist learning test (3.3 versus 1.7 words) (p = 0.013); and a combined group of subjects with prediabetes or incident type 2 diabetes showed significantly greater cognitive decline (3.8 versus 2.9 words) in the verbal fluency (category) test (p = 0.039). Conclusion: Prediabetes was associated with cognitive decline during aging. This finding should be incorporated into prevention strategies, because both type 2 diabetes and dementia are increasing world-wide. see all
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| Series: |
Diabetes research and clinical practice |
| ISSN: | 0168-8227 |
| ISSN-E: | 1872-8227 |
| ISSN-L: | 0168-8227 |
| Volume: | 180 |
| Article number: | 109045 |
| DOI: | 10.1016/j.diabres.2021.109045 |
| OADOI: | https://oadoi.org/10.1016/j.diabres.2021.109045 |
| Type of Publication: |
A1 Journal article – refereed |
| Field of Science: |
3121 General medicine, internal medicine and other clinical medicine |
| Subjects: | |
| Copyright information: |
© 2021 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. |
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https://creativecommons.org/licenses/by-nc-nd/4.0/ |