Valutazione della frequenza respiratoria intrinseca durante la ventilazione meccanica per accelerare la respirazione spontanea e l'estubazione (INTRINSIC)
Valutazione della frequenza respiratoria intrinseca in pazienti adulti ventilati meccanicamente con trigger inverso come incentivo per accelerare la transizione alla respirazione spontanea e all'estubazione: studio clinico pilota randomizzato - INTRINSIC
The goal of this study is to identify patients with reverse triggering who's the potential to breath spontaneously is hidden because of the ventilator management strategy by performing a simple 30sec-test with includes reducing the support from the ventilator. The findings will provide clear advice to doctors on how to better care for these patients.
This will be a pilot randomized clinical trial including 70 adult patients (aimed at equal number of men and woman) sedated and under controlled ventilation having reverse triggering. The study will be conducted in two ICUs: 1) St. Michael's Hospital, Toronto Canada and 2) Toronto Western Hospital, Toronto, Canada.
Panoramica dello studio
Stato
Intervento / Trattamento
Descrizione dettagliata
The objective of this study is to investigate the impact of assessing intrinsic respiratory rate in mechanically ventilated patients with reverse triggering on the facilitation of transition to spontaneous breathing and successful extubation.
Patients will be excluded if under current use of continuous neuromuscular blocking agent or severe metabolic acidosis (Ph<7.25 at the time of study procedure.
Patients will be screened every morning from 8:00 am to 9:00 am all the patients under controlled ventilation to detect the presence of reverse triggering by looking at the screen on the ventilator (2-5 min observation). The research team (research MDs, physiotherapists and respiratory therapists) is very well trained at detecting reverse triggering. Patients will then be randomized to standard of care or intervention using a deferred consent model.
- Control group: standard care.
- Intervention group: The intervention is a simple brief test as follows: With the ventilator set with the patient clinical settings, it will be performed an up to 30sec-long or two inspiratory effort and expiratory occlusion maneuver on the ventilator and/or switch the patient to pressure support for up to 30sec-long to assess the presence of intrinsic respiratory rate.
If an intrinsic respiratory rate ≥8 breaths per minute is present and P/F ratio is ≥150 it will be performed a 5-minute "test" in pressure support ventilation with the pressure support level to match the clinical setting of the patient. If the patient tolerates well 5 minutes in pressure support (see criteria below) the clinical team will be informed:
- It will be indicated that the patient tolerated 5 min of pressure support ventilation and suggest to the clinicians and physician in charge to transition the patient to pressure support ventilation plus suggest reducing sedation.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Laurent Brochard, MD
- Numero di telefono: 4168645686
- Email: laurent.brochard@unityhealth.to
Backup dei contatti dello studio
- Nome: Antenor Rodrigues, Ph.D.
- Email: antenor.rodrigues@unityhealth.to
Luoghi di studio
-
-
Ontario
-
Toronto, Ontario, Canada, M5B1W8
- Reclutamento
- St. Michael's Hospital
-
Contatto:
- Nattapat Wongtirawit, M.D.
- Numero di telefono: 6214 416-864-6060
- Email: nattapat.wongtirawit@unityhealth.to
-
Toronto, Ontario, Canada
- Non ancora reclutamento
- Toronto Western Hospital
-
Contatto:
- Irene Telias, MD, PhD
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Adult patients (aimed at equal number of men and woman) sedated and under controlled ventilation having reverse triggering.
Exclusion Criteria:
- under current use of continuous neuromuscular blocking agent or severe metabolic acidosis (Ph<7.25) at the time of study procedure.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Terapia di supporto
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Nessun intervento: Standard Care
The participant will receive the current standard intensive care. |
|
|
Comparatore attivo: brief test
The intervention is a simple brief test as follows: With the ventilator set with the patient clinical settings, it will be performed an up to 30sec-long or two inspiratory effort and-expiratory occlusion maneuver on the ventilator and/or switch the patient to pressure support for up to 30sec-long to assess the presence of intrinsic respiratory rate. If an intrinsic respiratory rate ≥8 breaths per minute is present and P/F ratio is ≥150 it will be performed a 5-minute "test" in pressure support ventilation with the pressure support level to match the clinical setting of the patient. If the patient tolerates well 5 minutes in pressure support (see criteria below) the clinical team will be informed: - It will be indicated that the patient tolerated 5 min of PSV and suggest to the clinicians and physician in charge to transition the patient to pressure support ventilation plus suggest reducing sedation. |
The intervention is a simple brief test as follows: With the ventilator set with the patient clinical settings, it will be performed an up to 30sec-long or two inspiratory effort and-expiratory occlusion maneuver on the ventilator and/or switch the patient to pressure support for up to 30sec-long to assess the presence of intrinsic respiratory rate. If an intrinsic respiratory rate ≥8 breaths per minute is present and P/F ratio is ≥150 it will be performed a 5-minute "test" in pressure support ventilation with the pressure support level to match the clinical setting of the patient. If the patient tolerates well 5 minutes in pressure support (see criteria below) the clinical team will be informed: - It will be indicated that the patient tolerated 5 min of PSV and suggest to the clinicians and physician in charge to transition the patient to pressure support ventilation plus suggest reducing sedation. |
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Number of patients tolerating the transition to assisted breathing, or having an SBT, or being extubated within 48 hours
Lasso di tempo: 48 hours
|
Number of patients tolerating the transition to assisted breathing (e.g., Pressure Support Ventilation, Neurally Adjusted Ventilatory Assist, Proportional assist ventilation with load-adjustable gain factors), or having an SBT, or being extubated within 48 hours |
48 hours
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Laurent Brochard, Unity Health Toronto - St. Michael's Hospital
Pubblicazioni e link utili
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Date di iscrizione allo studio
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Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
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Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 4902
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