Objective: To quantify the pressure needed to generate a tracheal airleak around the endotracheal tube that might distinguish successful extubations from those with postextubation stridor. Design: Prospective, observational clinical study. Setting: The Pediatric Intensive Care Unit of a tertiary care, university hospital. Subjects: Fifty-six paediatric patients mechanically ventilated for over 24 hours without parenchymal lung disease or upper airway obstruction. Interventions: None. Measurements: Tracheal airleaks were measured prior to extubation. Main results: A tracheal airleak at 20 cm H2O of pressure identified post-extubation stridor with 100% sensitivity, 33% specificity and a positive predictive value of 18%. The absence of an airleak at 40 cm H2O identified postextubation stridor with 43% sensitivity, 80% specificity, and a positive predictive value of 23%. There was no airleak pressure that could successfully distinguish patients at risk for post-extubation stridor. Conclusions: The pressure required to generate a tracheal airleak is an unreliable predictor of post-extubation stridor in paediatric patients mechanically ventilated for over 24 hours for reasons other than parenchymal lung disease or upper airway obstruction.
|Original language||English (US)|
|Number of pages||4|
|Journal||Clinical Intensive Care|
|State||Published - Jan 1 1993|
All Science Journal Classification (ASJC) codes
- Critical Care and Intensive Care Medicine