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Related Experiment Videos

Paraspinal muscle hematoma after electromyography

J B Caress1, S B Rutkove, M Carlin

  • 1Department of Neurology, Bewman Gray School of Medicine, Winston-Salem, NC, USA.

Neurology
|July 1, 1996
PubMed
Summary

Electromyography (EMG) rarely causes complications. While paraspinal hematomas are unusual after EMG, they typically lack clinical significance, though caution is advised for patients on anticoagulants.

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Area of Science:

  • Neurology
  • Radiology
  • Medical Procedures

Background:

  • Electromyography (EMG) is a diagnostic procedure with rare reported complications.
  • Guidelines for performing EMG in patients on anticoagulant therapy are not clearly established.
  • Paraspinal muscle hematomas are an uncommon complication associated with EMG.

Observation:

  • A case report details a large paraspinal hematoma in a patient not on anticoagulants post-EMG.
  • A subsequent review identified 17 patients who underwent paraspinal EMG and spinal MRI.
  • Four small, radiologically insignificant paraspinal hematomas were found in 4 patients.

Findings:

  • Radiologically apparent paraspinal hematomas following EMG are infrequent.
  • These hematomas generally do not present with significant clinical manifestations.

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  • The findings suggest that EMG-related paraspinal hematomas are typically benign.

    • Implications:

    • The study highlights that paraspinal hematomas after EMG are unusual and usually clinically insignificant.
    • Caution is warranted when performing EMG on paraspinal and other deep muscles in patients using anticoagulants.
    • Further research may be needed to establish definitive guidelines for EMG in anticoagulated patients.