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| Name | Class |
|---|---|
| Masaryk University | OTHER |
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Complex practical basic life support (BLS) training have been stopped all over the world due to coronavirus disease (COVID-19) pandemic in 2020. While launching the new Simulation Centre at Medical Faculty of Masaryk University in Brno, Czech Republic, teachers and students have been dealing with the risk of COVID-19 transmission during the simulation training. One of the highest risks for the transfer of COVID-19 between the medical students is during the mouth-to-mouth ventilation training in BLS. It has been assumed that rescuers during BLS simulation training with use of breathable nanofiber respirator with layers with accelerated copper can provide efficient mouth-to-mouth rescue breaths to the mannequin in compliance with safety rules.
The main aim of this study is to assess the efficiency of mouth-to-mouth ventilation through breathable self-sterilizing nanofiber respirators with accelerated copper in COVID-19 pandemic time. 100 volunteers (medical students trained as BLS trainers an medical students trained in BLS) will provide 2 minutes cycle of BLS according to European Resuscitation Council (ERC) guidelines 2021 wearing the breathable self-sterilizing nanofiber respirators with accelerated copper in three different mannequins: Professional Adult Medium Skin CPR-AED Training Manikin (trademark) with CPR Monitor (Prestan = trademark), Resusci Anne QCPR AED (Laerdal = trademark), Resusci Baby QCPR (Laerdal = trademark). The mannequin will be utilised in a randomised order. The efficiency of mouth-to-mouth rescue breaths as "visible breath " and "not visible breath" will be recorded. In first BLS mannequin, the visibility of chest rising by the observer will be recorded. In two other mannequins, the ventilation metrics and each rescue breath evaluation in QCPR Skill Reporter (software trademark) will be recorded. Overall, 3 levels of visible breath according to the relation to set optimal breath volume (400 to 600 mL in adult, 30 to 50 mL in infant): low volume breath (below 400ml in adults and below 30ml in infant), optimal volume breath (between 400-600ml in adult and between 30-50 ml in infant), high volume breath (over 600ml in adult and over 50ml in infant) will be evaluated. For the primary analysis of efficiency of mouth-to-mouth ventilation, data from all three mannequins using outcome No breath / Visible breath will be evaluated. Secondary analysis will utilize data from two mannequins where detailed stratification No Breath / low / optimal / high Visible breath is possible. The mean volume of rescue breaths in the 2-minute cycle, average pause, longest pause, success in achieving the optimal breath volume, adverse events will be recorded. Regarding the technique of provided mouth-to-mouth ventilation, head tilt in adult or neutral position in infant and pinching of the nose will be evaluated.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Professional Adult Medium Skin CPR-AED Training Manikin with CPR Monitor (Prestan) | medical students trained as BLS trainers and medical students trained in BLS will provide 2 minutes cycle of BLS according to ERC guidelines 2021 wearing the breathable self-sterilizing nanofiber respirators with accelerated copper |
| |
| Resusci Anne QCPR AED (Laerdal) | medical students trained as BLS trainers and medical students trained in BLS will provide 2 minutes cycle of BLS according to ERC guidelines 2021 wearing the breathable self-sterilizing nanofiber respirators with accelerated copper |
| |
| Resusci Baby QCPR (Laerdal) | medical students trained as BLS trainers and medical students trained in BLS will provide 2 minutes cycle of BLS according to ERC guidelines 2021 wearing the breathable self-sterilizing nanofiber respirators with accelerated copper |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mout-to-mouth ventilation | Procedure | Chest rising during basic life support will be recorded as No breath (no visible chest rising) and Breath (chest rising) by the observer. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of effective mouth-to mouth ventilation | data from all three mannequins using variables as: No breath (chest not rising) or Visible breath (chest rising) value will be used to evaluate the overall efficacy of mouth-to-mouth ventilation | During 2 minute basic life support |
| Measure | Description | Time Frame |
|---|---|---|
| Volumetric analysis of mouth-to-mouth ventilation | quantitative data (inspiratory volume) from two mannequins (ResusciAnne, ReusciBaby) using no breath, low, optimal, high volume breath will be evaluated | During 2 minute basic life support |
| Impact of training on incidence of effective mouth-to-mouth ventilation |
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Inclusion Criteria:
Exclusion Criteria:
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medical students trained in BLS as BLS trainers and medical students trained in BLS
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| Name | Affiliation | Role |
|---|---|---|
| Martina Kosinova, assoc. prof. MD., Ph.D. | Faculty of medicince Masaryk University and University Hospital Brno | Principal Investigator |
| Petr Stourac, prof.MD.Ph.D. | Faculty of medicince Masaryk University and University Hospital Brno | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Medicine, Masaryk University Brno | Brno | South Moravian | 62500 | Czechia |
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| Mout-to-mouth ventilation with quantitative analysis | Procedure | Chest rising during basic life support will be recorded and evaluated (breath by breath) in QCPR Skill Reporter software |
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Overall efficacy of medical students trained as BLS trainers versus medical students trained in BLS will be compared taking into account no breath (chest not rising during breathing) vs. visible breath (chest rising) on all three mannequins will be evaluated |
| During 2 minute basic life support |
| Overall quantitative volumetric efficacy of mouth-to-mouth breathing between the medical students trained as BLS trainers versus medical students trained in BLS | Overall quantitative efficacy of mouth-to-mouth breathing of medical students trained as BLS trainers versus medical students trained in BLS will be compared taking into account no breath vs. low vs. optimal vs. high volume breath on two mannequins with the possibility of quantitative analysis (ResusiceAnne, ResusciBaby) | During 2 minute basic life support |
| Correct head position incidence | The head position of the mannequin will be recorded by the observer and compared to the recommended position for the age of the patient | During 2 minute basic life support |
| The incidence of ventilation without pinched nose | The incidence of ventilation without pinched nose will be recorded by the observer | During 2 minute basic life support |
| Mean breath volume | Mean breath volume during mouth-to-mouth ventilation will be recorded | During 2 minute basic life support |
| No-flow interval characteristics | Mean pause and the longest pause in the 2 minutes cycle of basic life support | During 2 minute basic life support |
| Adverse events incidence | Incidence of adverse events | During 2 minute basic life support |
| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
| D014777 | Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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