Evaluation of Foreign Body Airway Obstruction Interventions Through Simulation

NCT ID: NCT06227234

Last Updated: 2024-12-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

132 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-08-07

Study Completion Date

2025-12-31

Brief Summary

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WHY IS THIS STUDY BEING DONE? Little is known about the best treatment for choking. New airway clearance devices like LifeVac© and Dechoker© are being sold to help a choking person. Researchers do not know how well they work compared to other techniques like abdominal thrusts or back blows.

The purpose of this research study is to see how well bystanders can use the choking techniques.

RESEARCH QUESTION Among laypersons, which FBAO intervention (abdominal thrusts, LifeVac©, or Dechoker©) results in the greatest proportion of FBAO relief within one-minute?

PARTICIPANTS Adults aged 18 years or greater.

INTERVENTIONS View a video of each choking intervention, and then complete a choking scenario where participants will try to relieve an airway obstruction on a simulation mannequin. The three interventions are: LifeVac, Dechoker, and Abdominal Thrusts. Participants will be invited back between 90-120 days to repeat the scenarios to assess retention.

Detailed Description

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Foreign body airway obstructions (FBAO, choking) result in significant mortality and morbidity globally . If left untreated, individuals suffering from airway obstructions will progress to unresponsiveness and die. For the first time in decades, a novel choking intervention is being promoted. Airway clearance devices (such as LifeVac© or Dechoker©) are non-powered suction-based devices being marketed by manufacturers as a safer, easier alternative to traditional choking interventions. However, a systematic review, conducted by Dunne et al, demonstrated insufficient evidence to recommend their use in choking guidelines. Subsequently, a mannequin simulation trial by Patterson found LifeVac© to be superior to abdominal thrusts at FBAO relief within 4 minutes (odds ratio \[OR\] 47.32 \[95%CI 5.74 - 389.40\]), whereas Dechoker© was not (OR 1.22 \[95% CI 0.60 - 2.47\]). This study was only conducted in healthcare professionals, and the efficacy in laypersons is still unknown.

Study Objectives 1. To evaluate the relative efficacy of airway clearance devices compared to traditional interventions among laypersons.

Research Questions and Hypotheses

1\. Among laypersons, which FBAO intervention (abdominal thrusts, LifeVac©, or Dechoker©) results in the greatest proportion of FBAO relief within one-minutes?

Hypothesis: LifeVac© will relieve more FBAOs within one-minute compared to abdominal thrusts and Dechoker© based on a prior mannequin study among healthcare professionals.

Methods Investigators will conduct an open-label, crossover, mannequin, randomized controlled trial to compare two ACDs (LifeVac© and Dechoker©) with traditional abdominal thrusts as FBAO interventions.

Randomization: Using OnCore randomization service to 1 of 6 intervention orders. Randomization will be performed by a researcher not involved with participant recruitment, and allocation will be concealed until enrollment using OnCore software as well.

Pre-simulation: Prior to any intervention, each participant will receive an orientation to the simulator (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), environment, and the outcomes being assessed. A member of the research team will be available to answer any questions that they have prior to starting.

Intervention: Participants will be shown the manufacturer's (LifeVac© and Dechoker©) recommended short educational video for each intervention. A publicly available online instructional video, prepared by St John Ambulance, will be used for abdominal thrusts. Immediately after watching the first training video in their allocated sequence, participants will be asked to respond to a FBAO scenario, using the assigned technique. Participants will have up to four minutes to complete the intervention. All intervention attempts will be video recorded from a standardized position. Each participant will repeat the process (instructional video, followed by scenario) two more times so that they attempt each intervention. Participants will have a short break (of approximately two minutes) between each intervention.

Follow Up: All participants will be invited back between 90 - 120 days to complete the same scenario with the 3 interventions again to assess skills retention.

Conditions

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Choking Airway Obstruction

Keywords

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Basic Life Support Foreign body airway obstruction Abdominal thrusts Layperson Airway Clearance Device Lifevac Dechoker

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Investigators will conduct an open-label, crossover, mannequin, randomized controlled trial to compare two airway clearance devices (LifeVac© and Dechoker©) with traditional abdominal thrusts as choking interventions. Participants will complete all through interventions in one of 6 randomized orders.
Primary Study Purpose

OTHER

Blinding Strategy

NONE

Nil, however, Outcomes Assessor will be blinded to study hypothesis.

Study Groups

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LV - DC - AT

Order: LifeVac then Dechoker then Abdominal Thrusts

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LV - AT - DC

Order: LifeVac then Abdominal Thrusts then Dechoker

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

DC - AT - LV

Order: Dechoker then Abdominal Thrusts then LifeVac

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

DC - LV - AT

Order: Dechoker then LifeVac then Abdominal Thrusts

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

AT - LV - DC

Order: Abdominal Thrusts then LifeVac then Dechoker

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

AT - DC - LV

Order: Abdominal Thrusts then Dechoker then LifeVac

Group Type EXPERIMENTAL

Dechoker

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

LifeVac

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Abdominal Thrusts

Intervention Type OTHER

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Interventions

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Dechoker

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Intervention Type OTHER

LifeVac

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Intervention Type OTHER

Abdominal Thrusts

Participants will be shown a short educational video for each intervention. A research assistant acting as an instructor will be present to answer any questions that the students have about each of the techniques.

After training of all three techniques is complete, participants will be asked to respond to a choking scenario, using an assigned technique (the first one in their randomized order). Participants will use a mannequin (Choking Charlie, Laerdal Medical AS, Stavanger, Norway), with a simulated food bolus placed per manufacturer's directions, to complete each scenario. Participants will have up to four minutes to complete the intervention.

Each participant will repeat the two more times so that they attempt each intervention.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* All adult laypersons (Aged 18 years or older)
* Able to communicate in English (to sign informed consent)
* Non-

Exclusion Criteria

* Physical disability limiting the performance/use of the interventions
* Individuals with healthcare training (e.g., physicians, nurses, paramedics, respiratory therapists or associated students)
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Canadian Association of Emergency Physicians

INDUSTRY

Sponsor Role collaborator

University of Calgary

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Calgary

Calgary, Alberta, Canada

Site Status RECRUITING

Countries

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Canada

Central Contacts

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Cody Dunne, MD

Role: CONTACT

Phone: 403.944.1818

Email: [email protected]

Facility Contacts

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Cody Dunne, MD

Role: primary

Other Identifiers

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REB23-1548

Identifier Type: -

Identifier Source: org_study_id