肺部感染是急性缺血性脑卒中主要并发症,极大程度影响了患者的神经康复和回归社会的能力,是导致卒中患者死亡的最常见原因[1,2]。因其具有发生率高、危害大的特点,故引起了国内外神经科学界的广泛重视,有效预防肺部感染的发生已成为该领域研究的热点和难点。虽然有关研究显示预 Pulmonary infection is a major complication of acute ischemic stroke, which greatly affects the patient’s neurological rehabilitation and social return, and is the most common cause of death in stroke patients [1,2]. Because of its high incidence and great harm to the characteristics, it has attracted widespread attention of neuroscience community at home and abroad, the effective prevention of pulmonary infection has become a hot and difficult point in the field of research. Although the research shows that pre-