pubmed-article:12760861 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0029235 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0012655 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0521346 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0018483 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0006132 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0282335 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C1274040 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C1456627 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C0370215 | lld:lifeskim |
pubmed-article:12760861 | lifeskim:mentions | umls-concept:C2603343 | lld:lifeskim |
pubmed-article:12760861 | pubmed:issue | 6 | lld:pubmed |
pubmed-article:12760861 | pubmed:dateCreated | 2003-5-22 | lld:pubmed |
pubmed-article:12760861 | pubmed:abstractText | A total of 7,566 unique patient isolates of Haemophilus influenzae and 2,314 unique patient isolates of Moraxella catarrhalis were collected between October 1997 and June 2002 from 25 medical centers in 9 of the 10 Canadian provinces. Among the 7,566 H. influenzae isolates, 22.5% produced beta-lactamase, while 92.4% of the 2,314 M. catarrhalis isolates produced beta-lactamase. The incidence of beta-lactamase-producing H. influenzae isolates decreased significantly over the 5-year study period, from 24.2% in 1997-1998 to 18.6% in 2001-2002 (P < 0.01). The incidence of beta-lactamase-producing M. catarrhalis isolates did not change over the study period. The overall rates of resistance to amoxicillin and amoxicillin-clavulanate for H. influenzae were 19.3 and 0.1%, respectively. The rank order of cephalosporin activity based on the MICs at which 90% of isolates were inhibited (MIC(90)s) was cefotaxime > cefixime > cefuroxime > cefprozil > cefaclor. On the basis of the MICs, azithromycin was more active than clarithromycin (14-OH clarithromycin was not tested); however, on the basis of the NCCLS breakpoints, resistance rates were 2.1 and 1.6%, respectively. Rates of resistance to other agents were as follows: doxycycline, 1.5%; trimethoprim-sulfamethoxazole, 14.2%; and chloramphenicol, 0.2%. All fluoroquinolones tested, including the investigational fluoroquinolones BMS284756 (garenoxacin) and ABT-492, displayed potent activities against H. influenzae, with MIC(90)s of < or = 0.03 microg/ml. The MIC(90)s of the investigational ketolides telithromycin and ABT-773 were 2 and 4 microg/ml, respectively, and the MIC(90) of the investigational glycylcycline GAR-936 (tigecycline) was 4 microg/ml. Among the M. catarrhalis isolates tested, the resistance rates derived by using the NCCLS breakpoint criteria for H. influenzae were <1% for all antibiotics tested except trimethoprim-sulfamethoxazole (1.5%). In summary, the incidence of beta-lactamase-positive H. influenzae strains in Canada is decreasing (18.6% in 2001-2002), while the incidence of beta-lactamase-positive M. catarrhalis strains has remained constant (90.0% in 2001-2002). | lld:pubmed |
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pubmed-article:12760861 | pubmed:language | eng | lld:pubmed |
pubmed-article:12760861 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:12760861 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:12760861 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:12760861 | pubmed:month | Jun | lld:pubmed |
pubmed-article:12760861 | pubmed:issn | 0066-4804 | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:ZhanelGeorge... | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:HobanDaryl... | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:NicholKimberl... | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:PalatnickLorr... | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:LowDon EDE | lld:pubmed |
pubmed-article:12760861 | pubmed:author | pubmed-author:CROSS Study... | lld:pubmed |
pubmed-article:12760861 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:12760861 | pubmed:volume | 47 | lld:pubmed |
pubmed-article:12760861 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:12760861 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:12760861 | pubmed:pagination | 1875-81 | lld:pubmed |
pubmed-article:12760861 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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pubmed-article:12760861 | pubmed:year | 2003 | lld:pubmed |
pubmed-article:12760861 | pubmed:articleTitle | Antimicrobial resistance in Haemophilus influenzae and Moraxella catarrhalis respiratory tract isolates: results of the Canadian Respiratory Organism Susceptibility Study, 1997 to 2002. | lld:pubmed |
pubmed-article:12760861 | pubmed:affiliation | Department of Medical Microbiology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada. | lld:pubmed |
pubmed-article:12760861 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:12760861 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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