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Related Experiment Videos

Herpes simplex virus dispersal by Hyfrecator electrodes.

G B Colver1, J F Peutherer

  • 1University Department of Dermatology, Royal Infirmary, Edinburgh, Scotland.

The British Journal of Dermatology
|November 1, 1987
PubMed
Summary

Herpes virus can spread via electrodes, surviving for minutes and transferring to skin. Electrical discharge does not sterilize contaminated electrodes, highlighting the need for probe sterilization between patients to prevent infection transmission.

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Area of Science:

  • Infectious disease transmission
  • Medical device safety
  • Virology

Background:

  • Herpes virus poses a significant public health concern.
  • Electrocautery devices are commonly used in clinical settings.
  • Potential for cross-contamination via medical instruments is a critical issue.

Purpose of the Study:

  • To investigate the potential for herpes virus dispersal from electrodes.
  • To assess the efficacy of electrical discharge in sterilizing contaminated electrodes.
  • To evaluate the risk of virus transmission during simulated clinical procedures.

Main Methods:

  • Simulated clinical conditions using a Birtcher Hyfrecator electrode on skin biopsy samples.
  • Dye dispersal tests to measure droplet spread.

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  • Virus survival assays on contaminated electrodes at room temperature.
  • Transmission studies to assess virus transfer to skin samples.

    • Main Results:

    • Droplets containing dye were dispersed up to 5 cm from the electrode.
    • Herpes virus remained viable on contaminated electrodes for at least 5 minutes at room temperature.
    • Electrical discharge did not effectively sterilize the electrodes.
    • Virus transfer to skin samples was confirmed after contact treatment.

    Conclusions:

    • Herpes virus can be dispersed by electrodes and survive for extended periods.
    • Electrical discharge is insufficient for sterilizing contaminated electrodes.
    • Strict sterilization protocols for electrodes between patients are essential to prevent herpes virus transmission.