社区老年人口咽部寄殖菌分析

Colonization of Bacteria in the Throat of Elderly Residents of Community

目的明确社区老年人口咽部寄殖菌状况,为老年肺炎的治疗提供理论依据。方法对沈阳市某社区706名65岁以上老年居民行咽拭子细菌培养,将分离出的菌株进行鉴定及药敏试验。结果706份标本中,共265份标本细菌培养阳性,阳性率37.5%。共分离出菌株290株,其中革兰阴性杆菌248株,占85.5%;革兰阳性球菌42株,占14.5%。在革兰阴性杆菌中,肺炎克雷伯杆菌158株,占63.7%。结论社区老年人口咽部革兰阴性杆菌的寄植率明显增加,以肺炎克雷伯杆菌最为常见。

Objective To investigate the status of colonization of bacteria in the throat of elderly residents in the community and provides evidence for the therapy of the pneumonia. Methods Isolate samples of throat swab to culture from seven hundred and six residents over sixty-five in the community of Shenyang and analysis antibiotic susceptibility testing of isolated bacteria. Results Two hundred and sixtyfive cultures were positive and the positive rate was 37.5%.Two hundred and ninety strains were isolated and two hundred and forty-eight strains （85.5%） of gram negative bacilli and forty-two strains （14.5%） of gram positive cocci were, obtained. One hundred and fifty-eight strains （54.4%） were Klebsiella pneumoniae of the negative bacilli. Conclusion An increased rate of colonization of gram negative bacilli in the throat of the elderly people in community was showed and Klebsiella pneumoniae was the most common pathogen.