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Related Experiment Videos

Can medical audit change electromyographic practice?

N B Finnerup1, B Johnsen, A Fuglsang-Frederiksen

  • 1Department of Clinical Neurophysiology, University of Copenhagen, Gentofte Hospital, Hellerup, Denmark.

Electroencephalography and Clinical Neurophysiology
|February 25, 1999
PubMed
Summary

Medical audit and collaboration influenced electromyography (EMG) practices, leading to more uniformity in F-wave and motor nerve studies. However, significant variations in European EMG practices persist, indicating a need for further research.

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Area of Science:

  • Clinical Neurophysiology
  • Neurology

Background:

  • Electromyography (EMG) practices exhibit significant variability across clinicians and regions.
  • Previous studies have highlighted inconsistencies in EMG examination procedures.

Purpose of the Study:

  • To assess the impact of several years of mutual physician influence and medical audit on standardizing EMG practices.
  • To investigate changes in examination frequency and techniques for patients with polyneuropathy.

Main Methods:

  • Prospective collection of EMG examinations by 7 neurophysiologists from 6 European countries since 1992.
  • Comparative analysis of the first 12 and last 12 EMG examinations per patient with polyneuropathy.

Main Results:

  • A notable shift towards more uniform practices was observed in F-wave and motor nerve conduction studies.

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  • Minor changes were noted in sensory nerve conduction studies and muscle studies.
  • A decrease in the utilization of time-intensive techniques, such as near-nerve sensory studies and quantitative muscle studies, was evident.

    • Conclusions:

    • International collaboration and medical audit can influence and potentially standardize EMG practices.
    • Despite some changes, substantial diversity in European EMG practices remains.
    • Further research is warranted to determine optimal application of existing EMG techniques.