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In spontaneously breathing mechanically ventilated patients, the adequacy between the patient's demand and the level of respiratory support delivered by the ventilator is a major clinical issue. Neurally adjusted ventilator assist (NAVA) and proportional assist ventilation (PAV) have been developed to adapt the level of assistance to the patient's demand. These two modes have been compared to pressure support ventilation (PSV) but have not been compared to each other.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intubated patients | Experimental | Intubated patients: The three modes (PSV, PAV, NAVA) will be applied in random order to each mechanically ventilated patient included in the study. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PSV mode | Device | Application of PSV in all patients |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Breathing pattern variability | The coefficient of variation (standard deviation divided by the mean) of the tidal volume (expressed in %) | February 2014 |
| Measure | Description | Time Frame |
|---|---|---|
| Patient-ventilator asynchrony | Prevalence of ineffective efforts and double triggering (expressed as a number of events per minute) | February, 2014 |
| Measure | Description | Time Frame |
|---|---|---|
| Electrical diaphragm activity Gas exchange | measured by the NAVA probe | February 2014 |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Matthieu SCHMIDT, MD | Association pour le Développement et l'Organisation de la Recherche en Pneumologie | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Service de Pneumologie et de Reanimation médicale, Groupe hospitalier Pitie Salpetriere | Recruiting | Paris | Île-de-France Region | 75013 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25879592 | Derived | Schmidt M, Kindler F, Cecchini J, Poitou T, Morawiec E, Persichini R, Similowski T, Demoule A. Neurally adjusted ventilatory assist and proportional assist ventilation both improve patient-ventilator interaction. Crit Care. 2015 Feb 25;19(1):56. doi: 10.1186/s13054-015-0763-6. |
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| PAV mode |
| Device |
Application of PAV mode in all patients |
|
| NAVA | Device |
|