Results In the experimental group, chocking coughs occurred in two cases, but without refluxing, aspiration, and aspiratory pneumonia, all the four indices were lower than those in the control group ( P < 0.01 or P < 0.05).

  • 结果观察组2例出现呛咳,无反流、误吸、吸入性肺炎发生,此4个指标发生率明显低于对照组(P<0.01或P<0.05);

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