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NCT Number: NCT07518849

Effect of Anesthesia Equipment Position on Anesthesiologists' Performance

The purpose of this study is to determine if the position of the anesthesia machine affects the ability of anesthesiologists to manage a crisis situation and perform critical tasks. Participants will be asked to manage a simulated crisis situation using a manikin in the operating room. The anesthesia machine will be positioned either in an "optimal" or "awkward" manner for the anesthesiologist. The session will be video recorded and then analysed for various outcomes that reflect the anesthesiologist's performance. Participants will also perform a critical task, bag-valve-mask ventilation, on a manikin with the anesthesia machine in the optimal and awkward positions. The effectiveness of ventilation in each position will be compared. The results of this study may have implications for patient safety.

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Key information

Conditions

Anesthesia Ergonomics Anesthesia Airway Management Simulation in Training Center

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • All Department of Anesthesia residents (PGY4 or 5), fellows and staff are eligible to participate.

Exclusion criteria

  • Unwillingness to complete the simulated crisis and complete study questionnaires

Treatment and study plan

Simualted laryngospasm crisis

Behavioral

An acute laryngospasm scenario will be simulated in a pediatric manikin

Primary outcomes

  1. Crisis performance

    Time frame: Measured during the crisis scenario, average time is 5 minutes

    A composite performance score defined as the mean of standardized MEPA checklist score and standardized time to scenario completion.

Secondary outcomes

  1. Time metrics

    Time frame: Measured during the crisis scenario, average time is 5 minutes

    Time from change in vital signs to intervention

  2. Case management score

    Time frame: Measured during the crisis scenario, average time is 5 minutes

    Performance of predefined key tasks in the treatment of the simulated crisis

  3. Ergonomic/motor metrics

    Time frame: Measured during the crisis scenario, average time is 5 minutes

    • Number of times the hand(s) cross the midline and touches the machine or equipment
    • Number of times the anesthesiologist makes an adjustment to optimize BVM ventilation attempts:
    • Total number of degrees the anesthesiologist's head turns during the scenario
    • Total distance the anesthesiologist's hand travels during the scenario

  4. Workload measurement metrics

    Time frame: Questionnaire is completed after the participation in the crisis scenario is completed. The questionnaire will take an average of 10 minutes to complete.

    National Aeronautics and Space Administration Task Load questionnaire

  5. Minute ventilation

    Time frame: Measured during the crisis scenario, average time is 5 minutes

    Measurement of the minute ventilation during performance of bag-valve-mask ventilation on a manikin with the anesthesia machine in both the preferred and non-preferred positions.

Study contacts

Contact information is provided by the study sponsor or research team.

Jason Hayes, MD

CONTACT

[email protected]

416-813-7445

Sponsors and collaborators

Lead sponsor

The Hospital for Sick Children

Other

Registry information

Official study title

The Effect of Anesthesia Equipment Position on Anesthesiologists' Crisis Management and Bag-valve-mask Ventilation Using Full Scale Simulation.

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Apr 9, 2026
Registry last updated
Apr 9, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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