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  • 标题:Performance of EasyBreath Decathlon Snorkeling mask for delivering continuous positive airway pressure
  • 本地全文:下载
  • 作者:Alberto Noto ; Claudia Crimi ; Andrea Cortegiani
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2021
  • 卷号:11
  • 期号:1
  • 页码:5559
  • DOI:10.1038/s41598-021-85093-w
  • 出版社:Springer Nature
  • 摘要:Abstract During the COVID-19 pandemic, the need for noninvasive respiratory support devices has dramatically increased, sometimes exceeding hospital capacity. The full-face Decathlon snorkeling mask, EasyBreath (EB mask), has been adapted to deliver continuous positive airway pressure (CPAP) as an emergency respiratory interface. We aimed to assess the performance of this modified EB mask and to test its use during different gas mixture supplies. CPAP set at 5, 10, and 15 cmH 2 O was delivered to 10 healthy volunteers with a high-flow system generator set at 40, 80, and 120 L min −1 and with a turbine-driven ventilator during both spontaneous and loaded (resistor) breathing. Inspiratory CO 2 partial pressure (PiCO 2 ), pressure inside the mask, breathing pattern and electrical activity of the diaphragm (EAdi) were measured at all combinations of CPAP/flows delivered, with and without the resistor. Using the high-flow generator set at 40 L min −1 , the PiCO 2 significantly increased and the system was unable to maintain the target CPAP of 10 and 15 cmH 2 O and a stable pressure within the respiratory cycle; conversely, the turbine-driven ventilator did. EAdi significantly increased with flow rates of 40 and 80 L min −1 but not at 120 L min −1 and with the turbine-driven ventilator. EB mask can be safely used to deliver CPAP only under strict constraints, using either a high-flow generator at a flow rate greater than 80 L min −1 , or a high-performance turbine-driven ventilator.
  • 其他摘要:Abstract During the COVID-19 pandemic, the need for noninvasive respiratory support devices has dramatically increased, sometimes exceeding hospital capacity. The full-face Decathlon snorkeling mask, EasyBreath (EB mask), has been adapted to deliver continuous positive airway pressure (CPAP) as an emergency respiratory interface. We aimed to assess the performance of this modified EB mask and to test its use during different gas mixture supplies. CPAP set at 5, 10, and 15 cmH 2 O was delivered to 10 healthy volunteers with a high-flow system generator set at 40, 80, and 120 L min −1 and with a turbine-driven ventilator during both spontaneous and loaded (resistor) breathing. Inspiratory CO 2 partial pressure (PiCO 2 ), pressure inside the mask, breathing pattern and electrical activity of the diaphragm (EAdi) were measured at all combinations of CPAP/flows delivered, with and without the resistor. Using the high-flow generator set at 40 L min −1 , the PiCO 2 significantly increased and the system was unable to maintain the target CPAP of 10 and 15 cmH 2 O and a stable pressure within the respiratory cycle; conversely, the turbine-driven ventilator did. EAdi significantly increased with flow rates of 40 and 80 L min −1 but not at 120 L min −1 and with the turbine-driven ventilator. EB mask can be safely used to deliver CPAP only under strict constraints, using either a high-flow generator at a flow rate greater than 80 L min −1 , or a high-performance turbine-driven ventilator.
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