吸入性肺炎主要由口腔内容物和胃、食道反流物反复误吸引起的肺部炎症,患者出现发热、咳嗽、咳痰,周身不适等临床症状,严重者可危及生命,是临床常见的疾病,而且老年人中发病率较高。研究表明,包括隐性误吸在内,正常人在睡眠中可能有45%发生误吸,有意识障碍的患者则高达70%。在 Aspiration pneumonia is mainly caused by repeated aspiration of the oral contents and the stomach and esophageal reflux, as well as clinical symptoms such as fever, cough, expectoration, and general illnesses. In severe cases, it can be life-threatening and is a common clinical disease , And the incidence of the elderly is higher. Studies have shown that, including implicit aspiration, normal sleep may be 45% of aspiration, asymptomatic patients as high as 70%. in