Subgingival occurrence and antimicrobial susceptibility of enteric rods and pseudomonads from Brazilian periodontitis patients

被引:37
作者
Barbosa, FCB
Mayer, MPA
Saba-Chujfi, E
Cai, S
机构
[1] Univ Sao Paulo, Inst Biomed Sci, Dept Microbiol, BR-5508900 Sao Paulo, Brazil
[2] Camilo Castelo Branco Univ, Sch Dent, Dept Periodontol, Sao Paulo, Brazil
来源
ORAL MICROBIOLOGY AND IMMUNOLOGY | 2001年 / 16卷 / 05期
关键词
periodontitis; enterobacteria; pseudomonads; antimicrobial agents;
D O I
10.1034/j.1399-302x.2001.016005306.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The occurrence and in vitro antimicrobial sensitivity of isolates of enteric rods and pseudomonads were examined in 80 periodontitis patients, 17 to 58 years of age, in Sao Paulo, Brazil. Speciation and in vitro antimicrobial susceptibility testing were performed using the BBL Crystal enteric/nonfermenter system and the Etest for amoxicillin/clavulanic acid, ciprofloxacin and doxycycline. A total of 30 strains were isolated from 25 (31.2%) of the study subjects. Pseudomonas aeruginosa occurred in nine patients, Serratia marcescens in seven, and five other species were recovered in lower prevalence. All study organisms demonstrated high susceptibility to ciprofloxacin but exhibited variable susceptibility patterns to the other antimicrobial agents tested. In conclusion, the high occurrence of enteric rods and pseudomonads in these subjects may be important in the pathogenesis of periodontitis, and ciprofloxacin might be the antibiotic of choice to eradicate these pathogens from periodontal pockets.
引用
收藏
页码:306 / 310
页数:5
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