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Related Experiment Videos

Referral patterns of physicians requesting brain MRI procedures: a community-based study.

A S Wee1, M A Cowart, P D Mosley

  • 1Department of Neurology, University of Mississippi Medical Center, Jackson 39216, USA.

Journal of the Mississippi State Medical Association
|January 26, 2000
PubMed
Summary
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Non-neurologists order many brain MRI scans, with similar abnormal findings to specialists. Some headache evaluations revealed abnormalities, with some potentially detectable by CT scans.

Area of Science:

  • Radiology
  • Neurology
  • Medical Practice Analysis

Background:

  • Brain magnetic resonance imaging (MRI) is a crucial diagnostic tool.
  • Understanding the utilization patterns and diagnostic yield of brain MRI is important for resource allocation and clinical practice optimization.

Purpose of the Study:

  • To analyze the utilization of brain MRI procedures in a community setting.
  • To compare the diagnostic yield of brain MRI between neurologists and non-neurologic medical practitioners.
  • To assess the proportion of brain MRI scans ordered for headache evaluation and their findings.

Main Methods:

  • Retrospective review of 490 brain MRI procedures performed in a single community MRI unit.
  • Categorization of ordering physicians into neurospecialists and non-neurospecialists.

Related Experiment Videos

  • Analysis of scan indications, particularly headache evaluations.
  • Assessment of scan abnormality rates for different physician groups.

    • Main Results:

    • Non-neurologic practitioners ordered 40.8% of brain MRI scans, while neurospecialists ordered 59.2%.
    • Abnormal scan rates were 29.5% for non-neurospecialists and 39.3% for neurospecialists.
    • Headaches accounted for 26.7% of scan requests; 9.2% of headache patients without clear neurologic signs showed intracranial abnormalities.
    • Some detected abnormalities might have been visible with CT scans.

    Conclusions:

    • Non-neurologic medical practitioners are significant users of brain MRI, with a comparable rate of abnormal findings to neurospecialists.
    • Brain MRI is frequently utilized for headache evaluation, identifying abnormalities even in the absence of clear localizing signs.
    • The findings suggest potential for optimizing brain MRI utilization and considering alternative imaging modalities like CT for certain indications.