Abstract
OBJECTIVE
Structural brain abnormalities are key risk factors for brain diseases, such as dementia, stroke, and depression, in type 2 diabetes. It is unknown whether structural brain abnormalities already occur in prediabetes. Therefore, we investigated whether both prediabetes and type 2 diabetes are associated with lacunar infarcts (LIs), white matter hyperintensities (WMHs), cerebral microbleeds (CMBs), and brain atrophy.
RESEARCH DESIGN and METHODS
We used data from 2,228 participants (1,373 with normal glucose metabolism [NGM], 347 with prediabetes, and 508 with type 2 diabetes (oversampled); mean age 59.2 +/- 8.2 years; 48.3% women) of the Maastricht Study, a population-based cohort study. Diabetes status was determined with an oral glucose tolerance test. Brain imaging was performed with 3 Tesla MRI. Results were analyzed with multivariable logistic and linear regression analyses.
RESULTS
Prediabetes and type 2 diabetes were associated with the presence of LIs (odds ratio 1.61 [95% CI 0.98-2.63] and 1.67 [1.04-2.68], respectively; P-trend = 0.027), larger WMH (beta 0.07 log10-transformed mL [log-mL] [95% CI 0.00-0.15] and 0.21 log-mL [0.14-0.28], respectively; P-trend
CONCLUSIONS
Prediabetes is associated with structural brain abnormalities, with further deterioration in type 2 diabetes. These results indicate that, in middle-aged populations, structural brain abnormalities already occur in prediabetes, which may suggest that the treatment of early dysglycemia may contribute to the prevention of brain diseases.
| Original language | English |
|---|---|
| Pages (from-to) | 2535-2543 |
| Number of pages | 9 |
| Journal | Diabetes Care |
| Volume | 41 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 1 Dec 2018 |
Keywords
- SMALL VESSEL DISEASE
- WHITE-MATTER HYPERINTENSITIES
- TYPE-2 DIABETES-MELLITUS
- LATE-LIFE DEPRESSION
- ALZHEIMERS-DISEASE
- MICROVASCULAR DYSFUNCTION
- COGNITIVE DYSFUNCTION
- GLUCOSE-METABOLISM
- TISSUE SEGMENTATION
- VASCULAR DEPRESSION
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