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Cricoid pressure: a simple, yet effective biofeedback trainer.

A Kopka1, J Crawford

  • 1North Glasgow University Hospitals NHS Trust, Department of Anaesthesia, Western Infirmary, Glasgow, UK. a.kopka@doctors.org.uk

European Journal of Anaesthesiology
|July 14, 2004
PubMed
Summary

A new cricoid pressure trainer with biofeedback significantly improves the application of force during anaesthesia. This cost-effective device enhances training for anaesthetic personnel, ensuring safer procedures.

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Area of Science:

  • Anesthesiology
  • Medical Device Development
  • Simulation Training

Background:

  • Effective cricoid pressure application is crucial for safe anaesthesia during rapid sequence induction.
  • Existing training devices are often complex, costly, or inadequately simulate the Sellick manoeuvre.
  • A need exists for an accessible and effective training tool for cricoid pressure.

Purpose of the Study:

  • To design and evaluate a novel, low-cost cricoid pressure trainer with real-time force feedback.
  • To assess the trainer's efficacy in improving anaesthetic personnel's ability to apply correct cricoid pressure.
  • To provide a tool for routine staff assessment of cricoid pressure application skills.

Main Methods:

  • A cricoid pressure trainer with real-time force display was developed using readily available materials.

Related Experiment Videos

  • Thirty-six anaesthesia assistants underwent pre-training assessment of cricoid pressure application (10 N 'awake', 30 N 'asleep').
  • Participants received training using the biofeedback device, followed by post-training assessment while blinded to applied force.

    • Main Results:

    • Post-training performance showed a statistically significant improvement in correct cricoid force application (P < 0.0005).
    • Incorrect 'awake' cricoid pressure application decreased from 56% to 8% after training.
    • Correct 'asleep' cricoid pressure application improved from 28% to 100% post-training.

    Conclusions:

    • The developed biofeedback cricoid pressure trainer is effective for both training and assessment.
    • The device facilitates improved and consistent application of cricoid pressure by anaesthetic personnel.
    • This trainer offers a practical and cost-effective solution for enhancing anaesthesia safety.