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Carotid artery calcification is associated with deep cerebral microbleeds
Pil-Wook Chung1, Kwang-Yeol Park, Jeong-Min Kim
1Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea.
European Neurology
|May 24, 2014
Summary
Internal carotid artery calcification is linked to deep cerebral microbleeds (CMB), but not lobar CMB. This finding aids understanding of cerebral small vessel disease pathogenesis.
Area of Science:
- Neurology
- Vascular Medicine
- Radiology
Background:
- Cerebral microbleeds (CMB) are associated with cerebrovascular diseases.
- Arterial calcification, particularly in the internal carotid artery (ICA), is a marker of atherosclerosis.
Purpose of the Study:
- To investigate the association between internal carotid artery (ICA) calcification and cerebral microbleeds (CMB).
- To determine if the distribution of CMB influences this association.
Main Methods:
- Retrospective analysis of 834 patients with acute ischemic stroke or transient ischemic attack.
- Utilized CT angiography and susceptibility-weighted imaging for assessment.
- Statistical analysis to determine independent associations and odds ratios.
Main Results:
- Internal carotid artery (ICA) calcification was present in 79.1% of patients.
- Cerebral microbleeds (CMB) were found in 40.2% of patients.
- ICA calcification showed a significant independent association with deep CMB (OR 3.51) but not strictly lobar CMB.
Conclusions:
- Internal carotid artery (ICA) calcification is an independent risk factor for deep cerebral microbleeds (CMB).
- The association is location-dependent, with no link to lobar CMB.
- Findings contribute to understanding the pathogenesis of cerebral small vessel disease.
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