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Related Experiment Video

Updated: Aug 8, 2025

Author Spotlight: Advancing Awake Nasotracheal Intubation with Flexible Video Rhino-Laryngoscopes
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Does Cricoid Pressure Increase the Laryngoscopy Force During Rapid Sequence Induction?-A Randomized Study.

Gourav Mittal1, Divya Jain1, Shalvi Mahajan1

  • 1Department of Anaesthesia and Intensive Care, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Turkish Journal of Anaesthesiology and Reanimation
|February 27, 2023
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Summary
This summary is machine-generated.

Cricoid pressure during rapid sequence induction increases laryngoscopy force and prolongs intubation time. This maneuver also reduces intubation success rates and worsens laryngeal view, highlighting the need for caution.

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Area of Science:

  • Anesthesiology
  • Airway Management
  • Surgical Safety

Background:

  • Cricoid pressure is used to prevent aspiration during rapid sequence induction.
  • However, it may negatively impact laryngeal view and hemodynamic stability.
  • Its effect on laryngoscopy force is not well-understood.

Purpose of the Study:

  • To evaluate the impact of cricoid pressure on laryngoscopy force.
  • To assess its effect on intubation characteristics during rapid sequence induction.

Main Methods:

  • A randomized controlled trial involving 70 patients undergoing emergency surgery.
  • Patients were assigned to either a cricoid pressure group (30 N) or a sham group (0 N).
  • Peak laryngoscopy force, laryngeal view, intubation time, and success rate were measured.

Main Results:

  • Cricoid pressure significantly increased peak laryngoscopy forces (mean difference: 15.5 N).
  • Intubation success rate decreased from 100% without cricoid pressure to 85.7% with it.
  • Intubation duration increased by a mean of 24.4 seconds with cricoid pressure.

Conclusions:

  • Cricoid pressure elevates laryngoscopy forces and impairs intubation outcomes.
  • Careful consideration is needed when applying cricoid pressure during rapid sequence induction.