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Foreign body airway obstruction (FBAO, choking) is a life-threatening emergency requiring time-sensitive treatment to prevent severe injury or deaths. Traditional treatments taught in first aid courses include abdominal thrusts, back blows, and chest compressions or thrusts. Currently, first aid guidelines recommend different treatments for adults, child and infants.
Until recently, data on these techniques was limited to case series from the late 1900's. To further improve our knowledge of which treatment is most effective and safest for patients, this study will collect data on choking incidents in Alberta, Canada. The first phase of this project will make sure identifying and recruiting choking patients in real-time is possible so that the highest quality of data can be collected. If successful, this study will support a future project where the different choking treatments are compared in terms of their effectiveness and safety. This study will focus on adults and children over the age of 2 years.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adults or children with FBAO | Adults or children (aged greater than 2 years) with a foreign body airway obstruction who are conscious when they receive their first intervention |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Abdominal thrust | Procedure | Abdominal thrust received as first intervention |
|
| Measure | Description | Time Frame |
|---|---|---|
| Eligible patient recruitment | Count of eligible patients recruited per month | Through study completion, a 6 month period |
| Measure | Description | Time Frame |
|---|---|---|
| Proportion of eligible patients recruited | Among patients who screen as eligible for recruitment, the proportion of those who are successfully recruited | Through study completion, a 6 month period |
| Proportion of recruited patients with satisfactory data collection |
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Inclusion Criteria:
Exclusion Criteria:
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Adult or children (aged greater than 2 years) who experienced an out-of-hospital FBAO and received a FBAO intervention while conscious in Alberta, Canada, and, subsequently, were assessed by EMS or at an emergency department
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Cody Dunne, MD | Contact | 1-403-944-1818 | cody.dunne@ucalgary.ca |
| Name | Affiliation | Role |
|---|---|---|
| Cody Dunne, MD | University of Calgary | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Virtual | Recruiting | Calgary | Alberta | Canada |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Oct 27, 2025 | Oct 27, 2025 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D000402 | Airway Obstruction |
| ID | Term |
|---|---|
| D012131 | Respiratory Insufficiency |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| D059746 | Heimlich Maneuver |
| ID | Term |
|---|---|
| D004638 | Emergency Treatment |
| D013812 | Therapeutics |
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| Back blows | Procedure | Back blows received as first intervention |
|
| Chest compressions/thrusts | Procedure | Chest compressions or thrusts received as first intervention |
|
Among patients successfully recruited, the those patients with >= 90% of desired variables collected |
| Through study completion, a 6 month period |
| Foreign body airway obstruction relief | Defined as: responders determining that the patient did not require further FBAO intervention due to improvement or resolution of their respiratory distress in a conscious patient, or the ability for a responder to successfully ventilate an unconscious patient when previously they were unable to due to obstruction | Day 1 |
| Survival to acute care discharge | Defined as discharge from the care of Emergency Medical Services(EMS) or paramedics, the emergency department, or the hospital. | From date of enrolment until the date of acute care discharge or date of death from any cause, whichever came first, assessed up to 3 month |
| Survival to acute care discharge with favourable neurological outcome | Defined as the patient being able to be discharge to the home environment that they previously lived, with the ability to perform the same activities of daily living as before the FBAO incident | From date of enrolment until the date of acute care discharge or date of death from any cause, whichever came first, assessed up to 3 month |
| Intervention-associated injuries | Listed summary of any injuries reported among patient recruited for study occurring as a result of the FBAO intervention as determined by the treating physician/care provider | From date of enrolment until the date of acute care discharge or date of death from any cause, whichever came first, assessed up to 3 month |