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Cerebral microbleeds - prevalence, distribution and risk factors in northeast population without preceding large-area

Peng-fei Liu1, Ying-zhe Cui, Jing Na

  • 1Department of Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China.

Chinese Medical Journal
|March 3, 2010
PubMed
Abstract

Insights

Cerebral microbleeds (CMBs) are common in patients with suspected cerebrovascular disease. Their presence correlates with hypertension severity and white matter changes on MRI.

Area of Science:

  • Neurology
  • Radiology
  • Vascular Medicine

Background:

  • Cerebral microbleeds (CMBs) are frequent in patients with suspected cerebrovascular disease.
  • They are key radiographic findings in sub-clinical neurological impairment.

Purpose of the Study:

  • Assess prevalence, distribution, and severity of CMBs.
  • Evaluate associated clinical features in patients undergoing brain MRI for suspected cerebrovascular disease.

Main Methods:

  • Prospective cohort study of 447 patients.
  • Brain MRI with T2*-gradient echo sequences used to detect CMBs.
  • Analysis of CMB number, location, and association with white matter hyperintensities and clinical parameters like blood pressure.

Main Results:

  • CMBs found in 21.3% of patients (95/447).
  • Common locations include cortical, thalamic, and brainstem regions.
  • Significant association between CMBs and advancing age, hypertension severity, and white matter lesions.

Conclusions:

  • CMBs are frequent in patients without prior large-area stroke referred for brain MRI.
  • CMB severity correlates with hypertension severity and cerebral white matter changes.

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