OBJECTIVE To analyze risk factors of pulmonary infections in elderly patients with acute brain stroke and discuss prognosis of the patients so as to guide the clinical prevention and treatment.METHODS The clinical data of 160 cases of elderly patients with acute brain stroke were collected,the patients were divided into the infection group and the non-infection group according to the status of pulmonary infections,then multivariate regression analysis was performed to analyze the causes of pulmonary infecti...