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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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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Preferred/optimal position group | Experimental | Anesthesia machine is placed on the preferred side and optimal position for the anesthesiologist |
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| Non-preferred/awkward position group | Active Comparator | Anesthesia machine is placed on the non-preferred side and awkward position for the anesthesiologist |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Simualted laryngospasm crisis | Behavioral | An acute laryngospasm scenario will be simulated in a pediatric manikin |
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| Measure | Description | Time Frame |
|---|---|---|
| Crisis performance | A composite performance score defined as the mean of standardized MEPA checklist score and standardized time to scenario completion. | Measured during the crisis scenario, average time is 5 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Time metrics | Time from change in vital signs to intervention | Measured during the crisis scenario, average time is 5 minutes |
| Case management score | Performance of predefined key tasks in the treatment of the simulated crisis |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jason Hayes, MD | Contact | 416-813-7445 | jason.hayes@sickkids.ca |
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Two groups randomized to anesthesia machine in the "preferred/optimal" or "non-preferred/awkward" position while managing a short, simulated anesthesia crisis followed by 1-minute to perform bag-valve-mask ventilation.
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| Measured during the crisis scenario, average time is 5 minutes |
| Ergonomic/motor metrics |
| Measured during the crisis scenario, average time is 5 minutes |
| Workload measurement metrics | National Aeronautics and Space Administration Task Load questionnaire | Questionnaire is completed after the participation in the crisis scenario is completed. The questionnaire will take an average of 10 minutes to complete. |
| Minute ventilation | 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. | Measured during the crisis scenario, average time is 5 minutes |