Objective To understand the hygiene quality of medically used water in dental department and to discuss control measures for bacterial contamination.Methods Water sampling and bacterial detection tests were used to monitor the hygiene quality of medically used water in dental department of this hospital and to compare effects of different control measures.Results During January 2008 to December 2009,in the medically used water in dental department of this hospital,the qualified rate of hygiene quality of dental handpiece water was 23.1%,that was 42.0% for the three ways syringe.From March 2010 to September 2010,after filters were equipped,the qualified rate of hygiene quality of dental handpiece water was 24.7%,that was 36.1% for the three ways syringe,50.0% for the water source and 100% for the washing water.Conclusion The hygiene quality of medically used water in dental department of this hospital is poor and the water quality is associated with municipal water supply.The water quality improvements are not distinct simply plusing filters so comprehensive management measures should be taken.

目的探讨肺结核继发下呼吸道感染的病原菌和药敏情况,为临床合理选用抗生素提供参考。方法对2007年至2009年间肺结核继发下呼吸道感染患者的痰标本进行培养分离及药敏检测,并做回顾性分析。结果分离的细菌以革兰阴性杆菌为主,排在前3位的细菌分别为肺炎克雷伯菌、铜绿假单胞菌和醋酸钙鲍曼不动杆菌,检出率分别为12.55%、12.00%和10.90%;检出的革兰阴性杆菌大部分呈多重耐药,且到2009年耐药率均超过30%。结论临床医师应加强对结核病合并细菌感染的警惕性,合理应用抗结核药物,加强抗生素的规范应用以减少并发症,有利于结核病控制及减少死亡。