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Related Experiment Video

Updated: Sep 14, 2025

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Examining Complication Rates to Inform the Consent Process in Needle Electromyography: A Quality Improvement Project.

Jihong Min1, Bharathi Swaminathan2,3, Amtul Farheen4,5

  • 1Department of Rehabilitation Medicine, University of Washington, Seattle, Washington, USA.

Muscle & Nerve
|July 22, 2025
PubMed
Summary
This summary is machine-generated.

Electromyography (EMG) procedures are very safe, with low complication rates even for patients on blood thinners. This study

Keywords:
electrodiagnosiselectromyographyinformed consentquality improvementrisk management

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Area of Science:

  • Neurology
  • Medical Quality Improvement

Background:

  • Informed consent for electrodiagnostic (EDx) studies, including nerve conduction studies and needle electromyography (EMG), is standard practice.
  • There is limited population-based data on actual complication rates following EMG procedures.

Purpose of the Study:

  • To accurately determine adverse event rates associated with EMG procedures.
  • To refine the informed consent process for EMG by providing data on actual complication risks.

Main Methods:

  • A quality improvement study analyzed 24,718 EMG procedures over 14 years at a VA tertiary medical center.
  • Electronic health records were reviewed to identify complications occurring within one month post-EMG.

Main Results:

  • No hematoma complications were recorded despite 35% of patients using anticoagulants or antiplatelet agents.
  • Three cases of cellulitis were reported in patients on aspirin, likely due to comorbidities; no pneumothoraces occurred.

Conclusions:

  • EMG procedures demonstrate a high safety profile, even for patients on anticoagulation.
  • Findings support that anticoagulants/antiplatelet agents do not significantly increase bleeding risk during EMG.
  • Informed consent guidelines for EMG can be updated to reflect actual, low complication rates, with continued caution advised for high-risk pneumothorax areas.