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Antimicrobial Agents and Chemotherapy, June 2003, p. 2027-2029, Vol. 47, No. 6
0066-4804/03/$08.00+0     DOI: 10.1128/AAC.47.6.2027-2029.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Antimicrobial Resistance of Campylobacter jejuni subsp. jejuni Strains Isolated from Humans in 1998 to 2001 in Montréal, Canada

Christiane Gaudreau* and Huguette Gilbert

Département de Microbiologie Médicale et Infectiologie, Hôpital Saint-Luc, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada H2X 3J4

Received 30 August 2002/ Returned for modification 29 December 2002/ Accepted 25 February 2003

The rates of resistance of 51 to 72 human strains of Campylobacter jejuni subsp. jejuni isolated annually from 1998 to 2001 in Montréal, Québec, Canada, varied from 1 to 12% for erythromycin, 43 to 68% for tetracycline, and 10 to 47% for ciprofloxacin. In the last years of the study, there was a significant increase in the rate of resistance to ciprofloxacin (P = 0.00003) but not in the rate of resistance to erythromycin (P = 0.056) or tetracycline (P = 0.095) compared to the rate obtained in the first years. All 51 C. jejuni strains isolated in 2001 were susceptible to gentamicin, amoxicillin-clavulanic acid, imipenem, and meropenem. From 1999 to 2001, 74 strains of C. jejuni acquired abroad were significantly more resistant to ciprofloxacin than 109 strains of C. jejuni acquired locally (66 versus 9%, P < 0.00001) but were not significantly more resistant to erythromycin (1 versus 6%, P = 0.15) or to tetracycline (55 versus 58%, P = 0.87).


* Corresponding author. Mailing address: Département de Microbiologie Médicale et Infectiologie, Hôpital Saint-Luc du CHUM, 1058 rue Saint-Denis, Montréal (Québec), Canada, H2X 3J4. Phone: (514) 890-8305, ext. 36209. Fax: (514) 412-7311. E-mail: christiane.gaudreau.chum{at}ssss.gouv.qc.ca.


Antimicrobial Agents and Chemotherapy, June 2003, p. 2027-2029, Vol. 47, No. 6
0066-4804/03/$08.00+0     DOI: 10.1128/AAC.47.6.2027-2029.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.




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