In the experimental group , airway humidification , physical therapy to lung , aspirate sputum , precaution of respiratory infection and the care of pharynx oralis were made , relative data were collected to made strategy to instruct the nursing . Routine nursing was carried out in control group .

观察组重点从“气道湿化、肺部物理疗法、吸痰、气道感染的预防、口咽部护理”几个方面进行循证,获取最佳证据,指导临床护理,对照组按传统护理法。