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Routine CT evaluation of acute stroke.

M F Gaskill-Shipley1

  • 1Department of Radiology, University of Cincinnati, Cincinnati, Ohio 43219-2316, USA.

Neuroimaging Clinics of North America
|August 5, 1999
PubMed
Summary

Noncontrast computed tomography (CT) is the primary imaging tool for acute stroke evaluation. Despite newer methods, CT remains crucial for screening patients before thrombolytic therapy due to its speed and availability.

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Advanced imaging like MR perfusion/diffusion and xenon CT show promise for early brain ischemia detection.
  • Noncontrast CT is the established standard for acute stroke evaluation.

Purpose of the Study:

  • To highlight the continued importance of noncontrast CT in acute stroke assessment.
  • To emphasize CT's role in patient screening for thrombolytic therapy.

Main Methods:

  • Review of current practices in acute stroke imaging.
  • Evaluation of the role of noncontrast CT in clinical settings and trials.

Main Results:

  • Noncontrast CT is fast, reliable, and widely accessible.
  • It serves as the primary imaging modality in major stroke therapy trials.
  • CT is accurate for screening patients eligible for thrombolytic treatment.

Conclusions:

  • Noncontrast CT remains the cornerstone of acute stroke imaging.
  • Its speed, availability, and accuracy support its use in thrombolytic therapy screening.
  • Despite limitations, CT is essential for initial stroke evaluation.

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