Antimicrobial susceptibilities of Campylobacter jejuni and Campylobacter coli isolated in Sweden: a 10-year follow-up report

Sjögren, Eva; Kaijser, B; Werner, M.

doi:10.1128/aac.36.12.2847

Cited by 50 publications

(23 citation statements)

References 25 publications

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“…because the prevalence of erythromycin-resistant strains remains low (2.3%) and stable. This figure varies between 1 and 23% in different references (4,17,18,20,23,26,27). Our study and others (1,5,25) show that macrolides, like clarithromycin and azithromycin, have in vitro activities similar to that of erythromycin and superior to that of roxithromycin.…”

Section: Discussionmentioning

confidence: 93%

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Evolution of susceptibilities of Campylobacter spp. to quinolones and macrolides

Sanchez

Fernández-Baca

Díaz

et al. 1994

Antimicrob Agents Chemother

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Erythromycin, new macrolides, and quinolones are alternatives for the treatment of Campylobacter infections. Concerns related to the emergence of resistance to both groups of drugs have been raised. We studied the evolution of antimicrobial susceptibilities of 275 clinical isolates of microorganisms of the genus Campylobacter isolated in our institution during a 5-year period (1988 to 1992). The microorganisms studied were C. jejuni (n = 230), C. coli (n = 42), and C. fetus (n = 3). The overall resistance rates (determined by the agar dilution method and the recommendations of the National Committee for Clinical Laboratory Standards) were as follows: erythromycin, 2.3%; clarithromycin, 2.3%; azithromycin, 1.9%o; ciprofloxacin, 28.5%; norfloxacin, 31%; ofloxacin, 26.3%; and nalidixic acid, 36.8%. The evolution of resistance (percent resistance in 1988 versus percent resistance in 1992) was as follows: erythromycin, 2.6 versus 3.1; clarithromycin, 2.6 versus 3.1; azithromycin, 2.6 versus 3.1; ciprofloxacin, 0 versus 49.5; norfloxacin, 2.6 versus 55.5; ofloxacin, 0 versus 45.6; nalidixic acid, 2.6 versus 56.8. Our data show stable macrolide activity against Campylobacter spp. and the rapid development of quinolone resistance over the last 5 years.

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Section: Discussionmentioning

confidence: 93%

“…(2). However, the recent broad use of these drugs has raised concerns related to the development of antimicrobial resistance (6,18,20,22,23).…”

mentioning

confidence: 99%

Evolution of susceptibilities of Campylobacter spp. to quinolones and macrolides

Sanchez

Fernández-Baca

Díaz

et al. 1994

Antimicrob Agents Chemother

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“…The broth microdilution method has occasionally been used in previous studies for antibiotic susceptibility testing of Campylobacter (8,17,27), but there was a lack of standardization of the method and many different broths and test parameters were used. One of the major points in standardization and quality control in Campylobacter susceptibility testing is the use of Campylobacter strains to verify the accuracy, precision, and reproducibility of test performance (7) in a microaerophilic atmosphere.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Broth Microdilution, E Test, and Agar Dilution Methods for Antibiotic Susceptibility Testing of Campylobacter jejuni and Campylobacter coli

et al. 2003

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A standardized broth microdilution method was compared to the E test and an agar dilution method for the antimicrobial susceptibility testing of Campylobacter jejuni and C. coli isolates. A group of 47 human clinical isolates, 37 isolates from retail poultry, and 29 isolates from living turkeys (total, 113 isolates) was included in the study. These encompassed 92 C. jejuni and 21 C. coli strains. The MICs of six antimicrobial agents were determined by the broth microdilution and E test methods, and the strains of human origin were additionally tested by the agar dilution method. In general, broth microdilution MICs agreed within 1 log 2 MIC increment with 90.0% of E test results and 78.7% of agar dilution test results. The agar dilution method gave much lower gentamicin MICs than the broth microdilution method, but the data were significantly (P < 0.01) correlated and there was 100% agreement in the sensitivities and specificities in the comparison of the tests. The broth microdilution method had the highest sensitivity for analysis of the susceptibilities of Campylobacter to nalidixic acid and trimethoprim-sulfamethoxazole. The MICs of ciprofloxacin and erythromycin complied numerically by all three methods. The classification of the results and the correlation of the data demonstrated a high degree of agreement. All methods were equally suitable for the testing of the sensitivity of Campylobacter to tetracycline. Thus, the broth microdilution method appears to be an easy and reliable method for determination of the MICs of antibiotics for C. jejuni and C. coli, and it may offer an interesting alternative to MIC determination by the agar dilution technique or the E test.

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“…To date, the percentages of resistance reported for these antibiotics have varied between 3 and 11 (11,15). Curiously, these percentages appear to represent an inversion of the resistance percentages reported for the quinolones in some of the studies since in some studies these values were 1 to 3% for erythromycin and 13 to 30% for ciprofloxacin (12), while in others they were 6.4 and 0.9%, respectively (13).…”

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confidence: 99%

Susceptibilities of fluoroquinolone-resistant strains of Campylobacter jejuni to 11 oral antimicrobial agents

Gómez-Garcés

Cogollos

Alos

1995

Antimicrob Agents Chemother

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The resistance of Campylobacter jejuni strains to the fluoroquinolones is increasingly frequent, and in our area it reaches nearly 50%. We studied the susceptibilities of 60 of these strains to 11 oral antibiotics. All strains except one were susceptible to the macrolides tested, with azithromycin being the most active agent tested. Of the rest of the antibiotics studied, amoxicillin-clavulanic acid, clindamycin, and fosfomycin displayed good in vitro activities. Knowledge of the susceptibilities of these microorganisms to a varied group of oral agents is necessary in view of the appearance of multiresistant strains, such as those included in our series.

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Antimicrobial susceptibilities of Campylobacter jejuni and Campylobacter coli isolated in Sweden: a 10-year follow-up report

Cited by 50 publications

References 25 publications

Evolution of susceptibilities of Campylobacter spp. to quinolones and macrolides

Evolution of susceptibilities of Campylobacter spp. to quinolones and macrolides

Comparison of Broth Microdilution, E Test, and Agar Dilution Methods for Antibiotic Susceptibility Testing of Campylobacter jejuni and Campylobacter coli

Susceptibilities of fluoroquinolone-resistant strains of Campylobacter jejuni to 11 oral antimicrobial agents

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