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Performance of ventilators for noninvasive positive-pressure ventilation in children.

Abstract : The aim of the present study was to evaluate the performance characteristics of all the ventilators proposed for home noninvasive positive-pressure ventilation in children in France. The ventilators (one volume-targeted, 12 pressure-targeted and four dual) were evaluated on a bench which simulated six different paediatric ventilatory patterns. For each ventilator, the quality of the inspiratory and expiratory trigger and the ability to reach and maintain the preset pressures and volumes were evaluated with the six patient profiles. The performance of the ventilators showed great variability, and depended upon the type of trigger (flow or pressure), type of circuit and patient profile. Differences were observed between the preset and measured airway pressure and between the tidal volume measured by the ventilator and on the bench. Leaks were associated with an inability to detect the patient's inspiratory effort or autotriggering. No single ventilator was able to adequately ventilate the six paediatric profiles. Only a few ventilators were able to ventilate the profiles simulating the youngest patients. A systematic paediatric bench evaluation is recommended for every ventilator proposed for home ventilation, in order to detect any dysfunction and guide the choice of the appropriate ventilator for a specific patient.
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Submitted on : Friday, August 29, 2014 - 4:55:20 PM
Last modification on : Friday, August 5, 2022 - 3:41:28 AM
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Brigitte Fauroux, Karl Leroux, Gilbert Desmarais, Daniel Isabey, Annick Clément, et al.. Performance of ventilators for noninvasive positive-pressure ventilation in children.. European Respiratory Journal, European Respiratory Society, 2008, 31 (6), pp.1300-7. ⟨10.1183/09031936.00144807⟩. ⟨inserm-00294045⟩



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