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Hyperdense middle cerebral artery: incidence and quantitative significance

T A Tomsick1, T G Brott, C P Olinger

  • 1Department of Radiology, University of Cincinnati Medical Center.

Neuroradiology
|January 1, 1989
PubMed

Insights

The hyperdense middle cerebral artery sign (HMCAS) on CT scans indicates a clot in the brain artery. This study quantifies its occurrence and importance in 50 patients undergoing stroke treatment.

Area of Science:

  • Neuroradiology
  • Cerebrovascular diseases
  • Medical imaging

Background:

  • The hyperdense middle cerebral artery sign (HMCAS) is a computed tomography (CT) finding suggestive of intracranial thrombus or embolus.
  • Early identification of arterial occlusion is crucial for timely intervention in acute ischemic stroke.

Purpose of the Study:

  • To quantitatively evaluate the incidence and clinical significance of the hyperdense middle cerebral artery sign (HMCAS).
  • To assess the utility of HMCAS as a biomarker in patients with cerebral infarction undergoing experimental drug treatment.

Main Methods:

  • Retrospective analysis of CT scans from 50 patients enrolled in experimental drug studies for cerebral infarction.
  • Quantitative assessment of HMCAS presence and characteristics.
  • Correlation of HMCAS findings with clinical outcomes and treatment response.

Main Results:

  • The study determined the frequency of HMCAS in the studied cohort.
  • The significance of HMCAS in predicting stroke severity and treatment efficacy was evaluated.
  • Quantitative data on HMCAS incidence and its association with cerebral infarction outcomes were obtained.

Conclusions:

  • The hyperdense middle cerebral artery sign (HMCAS) is a valuable CT indicator in acute stroke assessment.
  • Quantitative evaluation of HMCAS provides insights into its incidence and clinical relevance in patients with cerebral infarction.
  • Findings support the role of HMCAS in patient stratification for stroke treatment studies.

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