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- W4380450018 abstract "Weaning and liberation from mechanical ventilation in pediatric patients with tracheostomy and long-term mechanical ventilation constitute a challenging process due to diagnosis heterogeneity and significant variability in the clinical condition. We aimed to evaluate the physiological response during the first attempt of a spontaneous breathing trial (SBT) and to compare variables in subjects who failed or passed the SBT.This was a prospective observational study in tracheostomized children with long-term mechanical ventilation admitted to the Hospital Josefina Martinez, Santiago, Chile, between 2014-2020. Cardiorespiratory variables such as breathing pattern, use of accessory respiratory muscles, heart rate, breathing frequency, and oxygen saturation were registered at baseline and throughout a 2-h SBT with or without positive pressure depending on an SBT protocol. Comparison of demographic and ventilatory variables between groups (SBT failure and success) was performed.A total of 48 subjects were analyzed (median [IQR] age of 20.5 [17.0-35.0] months, 60% male). Chronic lung disease was the primary diagnosis in 60% of subjects. Eleven (23%) total subjects failed the SBT (< 2 h), with an average failure time of 69 ± 29 min. Subjects who failed the SBT had a significantly higher breathing frequency, heart rate, and end-tidal CO2 than subjects who succeeded (P < .001). In addition, subjects who failed the SBT had significantly shorter duration of mechanical ventilation before the SBT, higher proportion unassisted SBT, and higher rate of deviation SBT protocol in comparison with subjects who succeeded.Conducting an SBT to evaluate the tolerance and cardiorespiratory response in tracheostomized children with long-term mechanical ventilation is feasible. Time on mechanical ventilation before the first attempt and type of SBT (with or without positive pressure) could be associated with SBT failure." @default.
- W4380450018 created "2023-06-14" @default.
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- W4380450018 date "2023-06-13" @default.
- W4380450018 modified "2023-10-02" @default.
- W4380450018 title "Effects of the First Spontaneous Breathing Trial in Children With Tracheostomy and Long-Term Mechanical Ventilation" @default.
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- W4380450018 doi "https://doi.org/10.4187/respcare.10544" @default.
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