Emerging role of cardiovascular CT and MRI in the evaluation of stroke

Ricardo J Pagán1, Pragnesh P Parikh, Patricia J Mergo

  • 11 Department of Medicine, Division of Internal Medicine, Mayo Clinic, Jacksonville, FL.

Insights

Cardiovascular CT angiography and MRI show promise for evaluating cardiac sources of stroke, offering alternatives to invasive transesophageal echocardiography. These imaging techniques aid in diagnosing cryptogenic stroke when traditional methods are insufficient.

Area of Science:

  • Cardiovascular Imaging
  • Neurology
  • Radiology

Background:

  • Stroke evaluation necessitates identifying cardiac sources of embolism.
  • Transesophageal echocardiography is valuable but invasive, with contraindications.
  • Cryptogenic strokes often have unknown cardiac origins.

Purpose of the Study:

  • To explore the utility of CT angiography and MRI in cardiovascular assessment.
  • To highlight the potential of these modalities for specific cardiac abnormalities.
  • To compare advanced imaging with conventional echocardiography.

Main Methods:

  • Review of current literature on CT angiography and MRI in cardiovascular evaluation.
  • Analysis of data supporting the use of these techniques for cardiac abnormalities.
  • Comparison with echocardiography, particularly transesophageal echocardiography.

Main Results:

  • CT angiography and MRI demonstrate growing potential in cardiovascular imaging.
  • These non-invasive techniques offer alternatives for patients with contraindications to echocardiography.
  • Data suggests usefulness in identifying cardiac sources of embolism contributing to stroke.

Conclusions:

  • Cardiovascular CT angiography and MRI are emerging as valuable tools for stroke evaluation.
  • They provide essential non-invasive assessment of cardiac abnormalities.
  • These modalities enhance the diagnostic capabilities for cryptogenic stroke.

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