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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
Cerebral microbleeds and vascular cognitive impairment
David J Werring1, Simone M Gregoire, Lisa Cipolotti
1Department of Brain Repair and Rehabilitation, UCL Institute of Neurology, London WC1N 3BG, UK.
Journal of the Neurological Sciences
|September 21, 2010
Summary
Cerebral microbleeds (CMBs) on MRI scans are linked to small vessel disease and may impact cognitive function. Further research is needed to understand their role in vascular cognitive impairment and prognosis.
Area of Science:
- Neurology
- Radiology
- Geriatrics
Background:
- White matter hyperintensities and lacunes are known markers of vascular cognitive impairment.
- Cerebral microbleeds (CMBs) are increasingly recognized as indicators of small vessel pathology.
Purpose of the Study:
- To review recent evidence on the clinical impact of CMBs on cognition.
- To explore the role of CMBs in understanding vascular cognitive impairment mechanisms, diagnosis, and prognosis.
Main Methods:
- Review of recent studies investigating CMBs and cognitive function.
- Analysis of MRI findings in patients with ischemic stroke, Alzheimer's disease, cerebral amyloid angiopathy, vascular dementia, and healthy elderly populations.
Main Results:
- CMBs are present in a significant proportion of patients with various neurological conditions and in healthy elderly individuals.
- Emerging evidence suggests CMBs may directly or indirectly affect cognitive function.
Conclusions:
- CMBs are a relevant imaging marker for small vessel disease with potential implications for cognitive impairment.
- Further investigation is crucial to clarify the precise role of CMBs in cognitive decline and prognosis.
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