Changes of Weaning Parameter in Weaning Failure Patient After Tracheostomy as a Predictor of Subsequent Weaning
Weaning from mechanical ventilator is an essential element in the care of critically ill intubated patients receiving mechanical ventilation. It covers the entire process of liberating the patient from mechanical support and from endotracheal tube.
The process of weaning involves two-step strategies: 1. Assessment of readiness for weaning, including physiological measurement, such as maximum inspiratory pressure, tidal volume, respiratory rate and etc. 2. Spontaneous breathing trial.
Tracheostomy has become an increasingly common intervention in ICUs, especially for patients with prolonged mechanical ventilator support.
Tracheostomy may reduce work of breathing by improving some aspects of pulmonary mechanics, such as reducing dead space and decreasing airway resistance, but to date, there is no evidence that this is linked to reduction in weaning time or length of stay.
The investigators believe such improvement in pulmonary mechanic, which may reflect in the weaning parameter that respiratory therapist measured before weaning program, may be different from that measured before tracheostomy creation.
The investigators therefore hypothesized that the improvement in pulmonary mechanic for patients with weaning failure after tracheostomy may reflect on weaning parameters, and that this improvement may be able to predict the subsequent successful weaning from mechanical ventilator support.
Hereby the investigators perform a prospective single-center study to investigate the changes of weaning parameters in difficult weaning patients after tracheostomy as a predictor of subsequent successful weaning.
Panoramica dello studio
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Descrizione dettagliata
Weaning from mechanical ventilator is an essential element in the care of critically ill intubated patients receiving mechanical ventilation. It covers the entire process of liberating the patient from mechanical support and from endotracheal tube1. The process of weaning involves two-step strategies: 1. Assessment of readiness for weaning, including physiological measurement, such as maximum inspiratory pressure, tidal volume, respiratory rate and etc. 2. Spontaneous breathing trial. The incidence of successful weaning is estimated around 68.8%.
Despite there is no consensus on the optimal timing of tracheostomy, patients with prolonged trans-laryngeal intubation are finally succumbed to tracheostomy, as prolonged trans-laryngeal intubation causes tissue trauma, promotes bacterial translocation and infection, making tracheostomy an increasingly common intervention in ICUs. Meanwhile, tracheostomy may reduce work of breathing by improving some aspects of pulmonary mechanics, such as reducing dead space and decreasing airway resistance, but to date, there is no evidence that this is linked to reduction in weaning time or length of stay.
Ｗe believe such improvement in pulmonary mechanics, which may reflect in the weaning parameters that respiratory therapist measured before weaning program, may be different after tracheostomy creation, especially in those patient with weaning failure. Ｗe therefore hypothesized that there may be an improvement in pulmonary mechanic for patients with weaning failure after tracheostomy, and that this improvement may be able to predict the subsequent successful weaning from mechanical ventilator support. Hereby the investigators perform a prospective single-center study to investigate the changes of weaning parameters in weaning failure patients after tracheostomy as a predictor of successful weaning.
Tipo di studio
Iscrizione (Anticipato)
Contatti e Sedi
Luoghi di studio
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Taipei, Taiwan, 100
- Reclutamento
- National Taiwan University Hospital
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- All patients with prolonged mechanical ventilator support or difficult weaning who received tracheostomy subsequently.
Exclusion Criteria:
- Parturient
- Patient with upper airway obstruction
- Patients aged < 18 year old
- Patients who join other on going study
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Coorti e interventi
Gruppo / Coorte |
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patients with difficult weaning
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Changes of weaning parameters after tracheostomy
Lasso di tempo: 5 days
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Weaning parameters are measured before and after tracheostomy creation too see if there is any changes
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5 days
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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To evaluate if changes in weaning parameters will predict successful weaning
Lasso di tempo: 6 months
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We will first measure the changes of weaning parameters after tracheostomy.
If changes do occur, we would like to evaluate if it will predict subsequent weaning feasibility.
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6 months
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Collaboratori e investigatori
Investigatori
- Investigatore principale: Jih-Shuin Jerng, MD, PhD, National Taiwan University Hospital
Pubblicazioni e link utili
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Altri numeri di identificazione dello studio
- 201012007RC
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Prove cliniche su Fallimento dello svezzamento
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St. Luke's-Roosevelt Hospital CenterCompletatoVent Weaning in Terapia Intensiva Medico-Chirurgica