最大程度降低胃胀气与优化胸外心脏按压的关系

在一个实验模型中，我们对手控呼吸囊-活瓣装置（Smart Bag MO）的效应进行了评估，该装置通过限制最大吸气流量达到降低无保护性气道患者胃膨胀风险的效果。在模拟心肺复苏的不间断胸外心脏按压过程中，使用“关闭”状态下的Smart Bag MO或成人自动充气呼吸囊．活瓣装置进行通气，如果吸气时间达到0．5秒的话，就能够提供足够的潮气量。而使用“开放”状态下的Smart Bag MO进行通气，即使通气时间窗达到0．5秒，仍不能提供足够的潮气量，从而将导致患者通气不足。

In a bench model, we evaluated a bag-valve device （Smart Bag MO） with limited maximum inspiratory gas flow developed to reduce the risk of stomach inflation in an unprotected airway. During simulated cardiopulmonary resuscitation with uninterrupted chest compressions, ventilation with the ＂disabled＂ Smart Bag MO or an adult self-inflating bagvalve device provided only adequate tidal volumes if inspiratory time was 0. 5 s. Ventilation with the ＂enabled＂ Smart Bag MO, even in ventilation windows of 0.5 s, provided inadequate tidal volumes during simulated cardiopulmonary resuscitation and would result in hypoventilation in a patient.