A 10-year longitudinal study of deep white matter lesions on magnetic resonance imaging
- 18 February 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Neuroradiology
- Vol. 63 (10), 1599-1609
- https://doi.org/10.1007/s00234-020-02626-2
Abstract
Purpose Deep white matter lesions (DWMLs), T2 high-intensity areas in the subcortical white matter on magnetic resonance imaging (MRI), are a clinical phenotype of cerebral small vessel disease. Factors such as age and hypertension have been reported to significantly contribute to the presence and severity of DWMLs in cross-sectional studies. We herein report a 10-year longitudinal study on DWMLs in elderly Japanese subjects to reveal the clinical variables contributing to the progression of DWMLs. Methods A total of 469 Japanese subjects were invited to participate in the study. Of the participants at baseline, 259 subjects completed the revisit MRI study 10 years later. In those 259 subjects, we evaluated the correlation between the progression of DWMLs and clinical variables, such as the gender, age, and overt vascular risk factors. To clarify the role of hypertension, 200 subjects with grade 1 DWMLs at baseline were categorized into three groups according to their status of hypertension and its treatment. Results Of the 200 subjects with grade 1 DWMLs, 47 subjects (23.5%) showed progression of DWMLs (progression group). In the progression group, the percentage of subjects with hypertension and the systolic blood pressure values were higher than in the non-progression group. In addition, subjects ≥ 60 years old at baseline tended to show deterioration of DWMLs in the group with hypertension without antihypertensive treatment. Conclusion The results of this 10-year longitudinal study imply a positive correlation between long-standing hypertension and the progression of DWMLs.Keywords
Funding Information
- a Grant-in-Aid for scientific research (B) from the Ministry of Education, Science, Sports, Culture and Technology of Japan (14370143)
- Ministry of Health, Labour and Welfare (H28-seishin-ippan-004)
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