Patient-ventilator Asynchrony During Mechanical Invasive Assisted-ventilation in Pediatric Patients (NavPed-Inv)
The purpose of this study is to document the prevalence and type of asynchronies incidence during invasive mechanical ventilation in pediatric patients breathing under pressure support.
And to observe the impact of adjusting the expiratory trigger setting on asynchronies, and compare these incidences with asynchronies measured in pediatric patient breathing under NAVA system (Neurally Adjusted Ventilatory Assist).
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
Two sessions will be recorded, one in PSV, one with NAVA, delivered in a random order after being sure the infant is calm and comfortable, according to his parents and/or the nurse in charge.
Criteria for initiating invasive ventilation and to start PSV will follow the usual practice guidelines of the unit.
Ventilation parameters in PS will be adjusted by the clinician in charge of the patient, as usual based on clinical observation. Investigators will not interfere with ventilator settings. Ventilation will be applied via an endotracheal tube, uncuffed for the majority (if infant < 5 years), according to commonly applied guidelines in this unit.
One 15 minutes session will be recorded, after being sure the infant is calm and comfortable according to the parents and/or the nurse in charge. Then the clinician in charge of the patient will modify the ETS, first decreasing it of 10% below the initial set value, and will be recorded the following 5 minutes after stabilization and secondly increasing it of 10% above the initial set value, and will be recorded the following 5 minutes after stabilization.
NAVA will be set to deliver initially the same peak pressure (comparable level of assist) than during the initial PS period. Same PEEP will be delivered in both modes. This is possible with a pre-visualization window, allowing adjustments before switching to the NAVA mode. Nava ventilation will be recorded during 20 minutes.
The 2 sessions, Pressure support and Nava, will be recorded consecutively.
Studietyp
Inskrivning (Förväntat)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
-
-
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Geneva, Schweiz, 1211
- Rekrytering
- University Hospital of Geneva
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Kontakt:
- Laurence Vignaux
- Telefonnummer: 0041223727448
- E-post: laurence.vignaux@hcuge.ch
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Kontakt:
- Peter Rimenberger
- Telefonnummer: 00412237 24 730
- E-post: peter.rimensberger@hcuge.ch
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Huvudutredare:
- Peter Rimensberger, MD
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Underutredare:
- Laurence Vignaux
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Underutredare:
- Thomas Jaecklin, MD
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Underutredare:
- Serge Grazioli, MD
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Underutredare:
- Lise Piquilloud
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Underutredare:
- Philippe Jolliet, Pr
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Underutredare:
- Didier Tassaux, MD
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- all consecutive patients from 4 weeks to 12 years (post natal interm infants) admitted to the pediatric intensive care unit (PICU) and receiving mechanical ventilation in pressure support ventilation
Exclusion Criteria:
- Non treated pneumothorax
- Hemodynamic instability
- At least 2 hours following the admission in the PICU in post cardiac surgery
- FiO2 > 0.6
- Poor short term prognosis (defined as a high risk of death in the next seven days)
- contraindication for gastric tube or obtention of a reliable EMGdi signal
- Known esophageal problem (hiatal hernia, esophageal varicosities)
- Active upper gastro-intestinal bleeding or any other contraindication to the insertion of a naso-gastric tube
- Neuromuscular disease
- Patients with a pacemaker
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Grundläggande vetenskap
- Tilldelning: Randomiserad
- Interventionsmodell: Crossover tilldelning
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
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Aktiv komparator: Pressure support
in this arm, pressure support will be recorded under 3 conditions:
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Ventilation under pressure support
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Experimentell: NAVA
Neurally Adjusted ventilatory Assist is a ventilation mode where the ventilator is piloted by the electrical activity of the diaphragm Ventilation is triggered and cycled off by the electrical activity of the diaphragm, the pressure delivered being proportional to this activity.
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Ventilation under NAVA
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
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asynchronies
Tidsram: 12 months
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Asynchronies during mechanical ventilation are the following: Auto triggering, double triggering, late cycling, premature cycling and ineffective effort. all ventilatory parameters are recorded under Pressure support (3 phases: 3 levels of expiratory trigger setting, initial, +10% and -10%, 15 min, 5 min and 5 min respectively) and NAVA (1 phase, 20 min). Asynchronies will be determined by measuring each ventilatory cycle of all recordings. |
12 months
|
Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: Peter Rimensberger, MD, University Hospital of Geneva
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Förväntat)
Avslutad studie (Förväntat)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Andra studie-ID-nummer
- HUG-matped 09-253
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