探讨重症监护病房（ICU）多重耐药鲍曼不动杆菌（MDR-AB）引起医院感染集聚的影响因素和传播途径，避免医院感染暴发。

通过现场调查，对江苏省人民医院浦口分院ICU 2017年1月发生的3例MDR-AB聚集性医院感染者的临床资料及流行病学调查分析。

本院ICU于2017年1月7日至1月22日共3例患者痰培养检出MDR-AB，均为呼吸道感染。3例患者的治疗设备及物品均专人专用，排除床边传播的可能，又缺乏其医院内交叉感染的证据，社区医院聚集性感染明确，排除暴发性医院感染。

此次感染是MDR-AB所致的聚集性医院感染，及时采取消毒隔离措施，有效地控制了感染流行。

To investigate the influencing factors and transmission route of hospital infection agglomeration cases caused by multiple drug resistant Acinetobacter baumannii (MDR-AB) in Intensive Care Unit (ICU), and to avoid the occurrence of hospital infection outbreak.

The clinical data and epidemiological investigation of 3 cases with MDR-AB infection in ICU of Pukou Branch of Jiangsu Provincial People’s Hospital in January 2017 were investigated and analyzed by field investigation method.

From January 7 to January 22, 2017, there were 3 patients of respiratory infection with sputum culture of MDR-AB positive. Instrumentation, equipment and articles of 3 patients were specially assigned to exclude the possibility of bed communication and lack of evidence of cross-infection in hospital. Community infection was clear and fulminant hospital infection were excluded.

This is an aggregated infection caused by MDR-AB, which is effectively controlled by application of effective disinfection and isolation measures in time.