Abstract
Introduction
Emerging evidence suggests that cerebral small vessel disease (CSVD) may worsen cognitive functions in Parkinson’s disease (PD). However, the effect of microbleeds on cognitive function in patients with PD remains unknown. This study explored the association between the presence, number and location of microbleeds with dementia in PD patients.
Methods
This cross-sectional study included 431 patients with PD from Beijing Tiantan Hospital from May 2016 to August 2019. Cognition assessments (MMSE, MoCA) were performed for these patients. MRI imaging sequences were obtained and reviewed independently by two well-trained readers who were blind to all clinical data. Spearman’s correlation analysis and logistic regression model analysis were further used for the assessments.
Results
An association between cerebral microbleeds with cognitive ability and dementia in PD patients was revealed. A significance was observed between the total number of microbleeds and two widely used scores of cognitive assessments (Spearman R = − 0.120 to MMSE with a p = 0.016, and − 0.117 to MoCA with a p = 0.020). In detail, infratentorial microbleeds were associated with the level of cognition in PD patients (Spearman R = − 0.099 to MMSE with a p = 0.049, and − 0.116 to MoCA with a p = 0.021). Furthermore, logistic regression analysis results also confirmed such correlations between the number of microbleeds and cognitive ability after adjusting for age, cholesterol level, Hamilton Anxiety Scale, Hamilton Depression Scale, and white matter hyperintensity Fazekas score (OR 3.28, p = 0.035, 95% CI 1.090–9.892).
Conclusions
The occurrence of microbleeds, especially in the infratentorial locations, may worsen the cognitive function of PD patients and result in dementia. Management of cerebral vascular disease could be beneficial to patients with PD.
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Availability of data and material
The datasets supporting the results of this article are included within the article.
Code availability
Not applicable.
Change history
28 June 2022
A Correction to this paper has been published: https://doi.org/10.1007/s13760-022-02008-w
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Funding
This research was supported by National Key R&D Program of China (No. 2017YFC1307900, 2017YFC1307905); The National Natural Science Foundation of China (No.81825007); Beijing Outstanding Young Scientist Program (No. BJJWZYJH01201910025030); Youth Beijing Scholar Program (No.010); Beijing Talent Project—Class A: Innovation and Development (No. 2018A12); “National Ten-Thousand Talent Plan”—Leadership of Scientific and Technological Innovation; Beijing Hospital Project (BJ-2021-197).
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YW and TF have given substantial contributions to the conception or the design of the manuscript, HW, HC, and MZ to acquisition, analysis and interpretation of the data. All the authors have participated in drafting the manuscript, YW revised it critically. All the authors read and approved the final version of the manuscript.
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This study was approved by the Ethics Committee of the Beijing Tiantan Hospital (approval number: Z171100000117013), and was performed in accordance with the Declaration of Helsinki.
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Wan, H., Chen, H., Zhang, M. et al. Cerebral microbleeds is associated with dementia in Parkinson’s disease. Acta Neurol Belg 123, 407–413 (2023). https://doi.org/10.1007/s13760-022-01918-z
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DOI: https://doi.org/10.1007/s13760-022-01918-z