[Vascular murmurs in arteriosclerotic stenosis of the internal carotid artery]

Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (Moscow, Russia : 1952)
|January 1, 1991
PubMed

Insights

Phonoangiography can detect internal carotid artery (ICA) stenosis by analyzing vascular murmur characteristics. The intensity and frequency of murmurs correlate with the degree of ICA stenosis, aiding diagnosis.

Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Cardiovascular Medicine

Context:

  • Atherosclerotic lesions in the internal carotid arteries (ICA) pose a significant risk for stroke.
  • Accurate non-invasive assessment of ICA stenosis is crucial for patient management.
  • Phonoangiography offers a potential method for evaluating carotid artery disease.

Purpose:

  • To investigate the relationship between phonoangiographic findings and the degree of internal carotid artery (ICA) stenosis.
  • To determine if vascular murmur characteristics can predict the severity of atherosclerotic lesions in the ICA.

Summary:

  • 152 patients with varying degrees of ICA atherosclerotic lesions underwent phonoangiography.
  • A strong correlation was observed between vascular murmur characteristics (intensity, frequency) and the degree of ICA stenosis.
  • Murmur signals were absent in lesions without lumen impairment but present and indicative of stenosis severity (20% to >50% lumen reduction) and occlusion.

Impact:

  • Phonoangiography can serve as a valuable non-invasive tool for assessing internal carotid artery (ICA) stenosis.
  • This technique may help in identifying patients with significant carotid artery disease requiring further intervention.
  • Findings support the use of vascular murmur analysis in the non-invasive diagnosis of cerebrovascular disease.

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