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婴儿呼吸系统解剖和生理的特异性决定其代偿功能明显低于成人。为达到手术时足够氧合和肺泡通气,就要选择良好的通气方式。婴儿通气方式有两种:一种是半开放式,如Kuhn 系统;另一种为半密闭式,如小儿循环系统。
The anatomical and physiological specificity of the infant’s respiratory system determines that its compensatory function is significantly lower than that of adults. In order to achieve adequate oxygenation surgery and alveolar ventilation, we must choose a good ventilation. Infants have two types of ventilation: one is semi-open, such as the Kuhn system; the other is semi-closed, such as the circulatory system in children.