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Extubation failure in a large pediatric ICU population
S Edmunds1, I Weiss, R Harrison
1Division of Pediatric Critical Care, Mattel Children's Hospital, UCLA Medical Center, Los Angeles, CA 90024-1783, USA.
Insights
The pediatric extubation failure rate is 4.9%. Younger children and those on mechanical ventilation longer face higher risks of extubation failure, informing clinical practice for pediatric respiratory support.
Area of Science:
- Pediatric critical care medicine
- Respiratory therapy
- Mechanical ventilation outcomes
Background:
- Mechanical ventilation is a critical intervention for critically ill children.
- Extubation success rates vary, and identifying risk factors is essential for optimizing patient care.
- Understanding extubation failure is crucial for reducing complications and improving patient outcomes.
Purpose of the Study:
- To determine the baseline rate of extubation success and failure in a large pediatric population.
- To identify patient characteristics associated with a higher risk of planned extubation failure.
- To provide data for improving weaning protocols in pediatric intensive care.
Main Methods:
- Retrospective chart review of 632 pediatric patients receiving mechanical ventilation.
- Analysis of 548 planned extubation events over a 2-year period.
- Identification of patients reintubated within 72 hours of extubation.
Main Results:
- The overall planned extubation failure rate was 4.9%.
- Patients who failed extubation were significantly younger and had longer durations of mechanical ventilation.
- Failure rates increased with longer durations of mechanical ventilation (6.0% for >24h, 7.9% for >48h).
Conclusions:
- The overall pediatric planned extubation failure rate is 4.9%.
- Younger age and prolonged mechanical ventilation are significant risk factors for extubation failure in children.
- These findings can guide clinical decisions and interventions to improve extubation success rates.
Objective:
To review a large population of children receiving mechanical ventilation to establish a baseline rate of extubation success and failure and to identify those characteristics that place a patient at greater risk of failing planned extubation.
Design:
Retrospective chart review.
Setting:
University-affiliated children's hospital with a 20-bed pediatric ICU.
Patients:
All 632 patients receiving mechanical ventilation during the 2-year period from July 1, 1996, to June 30, 1998.
Method:
Patients receiving mechanical ventilation were identified via a computerized database. Charts were reviewed of all patients who were reintubated within 72 h of extubation.
Measurements And Results:
There were 548 planned extubation events, of which 521 were successful. Twenty-seven patients failed planned extubation at least once; only the first attempt at extubation was included in the analysis. The failure rate of planned extubations was 4.9%. Including only patients who had received mechanical ventilation for > 24 h before extubation, the failure rate was 6.0%. For patients intubated > 48 h, the failure rate was 7.9%. The patients who failed extubation were found to be significantly younger and to have received mechanical ventilation longer than those who succeeded, in both the analysis of all patients receiving mechanical ventilation and the subgroup of those receiving mechanical ventilation > 24 h. When only patients who had received mechanical ventilation for > 48 h were analyzed, the difference in age was no longer significant, but the duration of ventilation before extubation was still significantly longer for those who failed.
Conclusion:
We determined the overall failure rate of planned extubations in a large population of pediatric patients to be 4.9%. Those patients who were younger and had received mechanical ventilation longer were more at risk for extubation failure.