[Atherosclerosis and cerebral infarction]

Arve Dahl1, Christian Lund, David Russell

  • 1Cerebrovaskulaer seksjon, Nevrologisk avdeling, Nevroklinikken, Rikshospitalet-Radiumhospitalet, 0027 Oslo. arve.dahl@rikshospitalet.no

Insights

Atherosclerotic plaques in arteries contribute to half of all cerebral infarctions. Understanding plaque characteristics and using ultrasound can improve stroke risk prediction and personalized treatment.

Area of Science:

  • Neurology
  • Vascular Biology
  • Cardiology

Background:

  • Cerebral infarctions are frequently caused by artery-to-artery emboli originating from atherosclerotic plaques.
  • Atherosclerosis in the aorta and cerebral arteries is a primary concern for cerebrovascular disease.
  • This review updates knowledge on atherosclerotic plaque development and its link to cerebral infarction.

Purpose of the Study:

  • To provide an update on atherosclerotic plaque development.
  • To discuss diagnostic and therapeutic implications of new pathophysiological knowledge.
  • To correlate atherosclerosis pathophysiology with cerebral infarction.

Main Methods:

  • Review of clinical-neurological experience.
  • Analysis of publications on intima-media thickness (IMT) and ultrasound.
  • Medline search for relevant studies on cerebrovascular disease.

Main Results:

  • Unstable plaques are characterized by thin capsules, inflammation, high lipid content, and intra-plaque bleeding.
  • Calcium deposition and fibrous tissue contribute to plaque stabilization.
  • Vascular risk factors and genetic predisposition influence atherosclerosis development and plaque characteristics.
  • Ultrasound assessment of aorta and pre-cerebral arteries aids in evaluating atherosclerosis severity and cerebrovascular risk.

Conclusions:

  • Enhanced understanding of atherosclerosis pathophysiology improves ischemic stroke risk prediction.
  • New insights enable more individualized prophylactic treatment strategies for cerebrovascular disease.
Abstract

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