100份病房被褥细菌污染情况调查

对５个科室病房中１００份被褥标本进行了细菌菌种及定量调查。调查结果表明：被褥中的主要菌群为芽胞菌、微球菌、葡萄球菌和棒杆菌，其分离率分别为７４％、６１％、５６％和５３％，肠杆菌的分离率为３４％，其它细菌还有链球菌、肠球菌、非发酵菌等，分离率低于５％。定量结果显示，大部分细菌含量＜１０５ＣＦＵ／ｇ，但其中有４份标本肠杆菌含量＞１０６ＣＦＵ／ｇ，有１份标本芽胞菌含量＞１０６ＣＦＵ／ｇ。提示含菌量＞１０６ＣＦＵ／ｇ的被褥可能是院内感染潜在污染源之一。

An Investigation of the Bacterial Contamination of 100 patients Cheets

We investigated the types and the quantity of bacteria existed in one hundred bed sheets Samples from 5 departments in the 304th hospital.The results showed that the major floras were Bacillus,Micrococcus,Staphylococcus and Corynebacterium. The separating rates were 74%,61%,56%,and 53% respectively,plus Enterobacteriuceae 34%.Above these,we also found there were streptococcus,Enterococcus,Nonfermenters with less 5% separating rate.The quantity assessment indicated that the contant of most bacteria was below 10 5 CFU/g except 4 Enterobacter and one Bacillus samples were alove 10 6 CFU/g. The results suggested that the bed sheets with up 10 6 CFU/g bacterial content may be one of latent resources in nosocomial infection. Author's address 304 Hosipital of PLA,Beijing 100037