Methods A retrospective study was carried out to seek the related risk factors and to analyze the results of sputum culture in 736 neurosurgical patients hospitalized from May 2004 to May 2006.

• 方法对某院2004年5月-2006年5月收治的736例神经外科手术患者的医院获得性肺炎发生情况、相关因素及细菌培养结果进行回顾性调查分析。