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The goal of this study is to analyze the impact of color-coded labeling and cognitive visual aids of a novel airway trolley on the performance of participants in a simulated unexpected difficult airway scenario. All participants will complete the same scenario, randomized to either the novel or the existing airway trolley. The main questions aimed to be answered are:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Novel Airway Trolley | Active Comparator | Participants are asked to solve a scenario "unexpected difficult airway" using the novel Airway Trolley with color-coding and visual aids |
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| Existing Airway Trolley | Placebo Comparator | Participants are asked to solve a scenario "unexpected difficult airway" using the existing Airway Trolley without color-coding and visual aids |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Scenario "unexpected difficult airway" | Other | Participants are asked to solve a scenario "unexpected difficult airway" using a manikin in accordance with current guidelines. The scenario aims for participants to try 3 different techniques in securing the airway before performing emergency front of neck access. |
| Measure | Description | Time Frame |
|---|---|---|
| Time to emergency front of neck access (eFONA) decision (in s) | time to verbalized decision to perform eFONA defined as time to solving the scenario (in s) | time (in seconds) until scenario is solved and decision to perform eFONA is verbalized (maximum time to solve scenario 10 minutes) |
| Measure | Description | Time Frame |
|---|---|---|
| Time to decision to prepare eFONA (in sec) | Time until the decision to prepare (but not directly execute) eFONA (in sec) | time (in seconds) when decision to prepare eFONA is verbalized (maximum time to solve scenario 10 minutes) |
| Time to establish successful oxygenation (in seconds) |
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Inclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anaesthesiology, University Medical Centre of Johannes Gutenberg University | Mainz | Rhineland-Palatine | 55131 | Germany |
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randomized, controlled, single-blinded simulation study
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Time to establish successful oxygenation (defined as successfully conducting eFONA and performing ventilation) in seconds |
| Maximum time to solve scenario: 10 minutes |
| number of departures from difficult airway algorithm | The number of times during the scenario that the treatment is not concordant with the difficult airway algorithm | Through the course of the scenario (maximum time for completion 10 minutes) |
| Gender differences in the time until eFONA | Gender differences in the time until eFONA is performed | Maximum time to solve the scenario: 10 minutes |
| Gender differences in number of departures from difficult airway algorithm | Gender differences in number of departures from difficult airway algorithm | Maximum time to solve the scenario: 10 minutes |
| subjective work load evaluation | evaluating the work load using NASA task load scale (NASA-TLX) questionnaire (nominal scale from very low to very high) | To be filled out after completing the scenario (time given: 3 minutes) |
| number of unnecessary drawer opening | The number of times during the scenario that drawers are opened without retrieving any equipment | Through the course of the scenario (maximum time for completion 10 minutes) |
| subjective operator experience | Experience of the operator using an ordinal scale (1-7) | To be filled out after completing the scenario (time given: 3 minutes) |