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[Thrombotic or embolic stroke?].

P Friis1, F T Gjestvang, D Fausa

  • 1Medisinsk avdeling, Vest-Agder Sentralsykehus 4604 Kristiansand. ev-al@online.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|September 27, 2001
PubMed
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Potential sources of embolism are common in patients with acute ischemic stroke. Aortic atheromas, in particular, may significantly contribute to brain ischemia, highlighting the need for thorough cardiac and vascular assessments.

Area of Science:

  • Cardiology
  • Neurology
  • Vascular Medicine

Background:

  • Transesophageal echocardiography frequently identifies potential embolic sources in acute brain ischemia patients.
  • This study investigated the prevalence of these sources in a Norwegian stroke population.

Purpose of the Study:

  • To determine the prevalence of potential embolic sources in a representative Norwegian stroke population.
  • To assess the contribution of various cardiac and precerebral sources to ischemic stroke.

Main Methods:

  • 103 patients with ischemic stroke or transient ischemic attack were enrolled.
  • Transthoracic echocardiography, transesophageal echocardiography, and Doppler examination of precerebral arteries were performed.

Main Results:

Related Experiment Videos

  • 70 potential embolic sources were found in 55 patients.
  • Key findings included cardiac sources (thrombi, patent foramen ovale, atrial septal aneurysm) and aortic atheromas with mobile elements.
  • High-grade carotid stenosis or occlusion was also observed.

Conclusions:

  • Potential precerebral embolic sources are prevalent in ischemic stroke patients.
  • Atheromas of the aorta represent a significant potential contributor to brain ischemia.