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Context: Chest compressions quality is known to be essential in cardiopulmonary resuscitation. Despite a known harmful effect of chest compressions interruptions, current guidelines still recommend provider switch every 2 minutes. Feedback impact on chest compressions quality preservation during cardiopulmonary resuscitation remains to be assessed.
Study design: simulated prospective monocentric randomized crossover trial.
Participants and methods: Sixty five professionals rescuers of the pre-hospital care unit of University Hospital of Caen (doctors, nurses and ambulance drivers) are enrolled to performed continuous chest compression on manikin (ResusciAnne®, Laerdal), twice, with and without a feedback device (CPRmeter®). Correct compression score (the main criterion) is defined by reached target of rate, depth and leaning at the same time (recorded continuously).
Hypothesis: Feedback device preserve chest compression quality above the 2 minutes recommended switch over during cardiopulmonary resuscitation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Guide then blind | Experimental | This group use the CPRmeter visual feedback during cardiopulmonary resuscitation (screen visible) first, then have no access to the CPRmeter visual feedback during cardiopulmonary resuscitation (screen mask). |
|
| Blind then guide | Experimental | This group have no access to the CPRmeter visual feedback during cardiopulmonary resuscitation (screen mask) first then use the CPRmeter visual feedback during cardiopulmonary resuscitation (screen visible). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CPRmeter (feedback device) with feedback | Device | Participants have a real time feedback and record. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Correct compression score | Correct compression score is defined by reached target of rate (between 100/min and 120/min), depth (between 50 mm and 60 mm) and leaning (less than 2500g) at the same time | Day 0 |
| Measure | Description | Time Frame |
|---|---|---|
| Decrease time of 30% of correct compression score | Time at witch correct compression score decrease of 30% of the reference correct compression score (first 20 secondes) | Day 0 |
| Chest compression depth |
| Measure | Description | Time Frame |
|---|---|---|
| Hemodynamic effect n1 of Cardiopulmonary Resuscitation | Impact of Cardiopulmonary Resuscitation effort on participant blood pressure (mmHg) | Day 0 |
| Hemodynamic effect n2 of Cardiopulmonary Resuscitation |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Clement BULEON, MD | Contact | +(33)231064736 | buleon-c@chu-caen.fr |
| Name | Affiliation | Role |
|---|---|---|
| Clement BULEON, MD | Medical Simulation Center Normandie Simulation en Sante | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital of Caen | Recruiting | Caen | Normandy | 14033 | France |
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| ID | Term |
|---|---|
| D006323 | Heart Arrest |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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In Guide group, participants have a real time feedback (and record) on chest compression quality performed by means of the visuals informations profided by the feedback device.
In Blind group, participants have a real time record of chest compression quality performed by means of the feedback device without feedback information of the performance.
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| CPRmeter (feedback device) without feedback | Device | Participants have a real time record without feedback. |
|
Chest compression depth reached (in mm)
| Day 0 |
| Chest compression rate | Chest compression rate per min | Day 0 |
| Percentage of chest compression without leaning | Percentage of chest compression without leaning defined with a residual weight egal or above 2500 g | Day 0 |
| Percentage of chest compression with correct depth | Percentage of chest compression with depth between 50 mm and 60 mm | Day 0 |
| Percentage of correct chest compression rate | Percentage chest compression rate between 100/min and 120/min | Day 0 |
| Participants' fatigue (Borg's scale) | Participant auto-evaluation of fatigue with a predefined scale from 6 to 20 (no unit). | Day 0 |
Impact of Cardiopulmonary Resuscitation effort on participant heart frequency (/min)
| Day 0 |