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Abstract

Background

Antibiotic resistance, either intrinsic or acquired, is a major obstacle for treating bacterial infections.

Aim

Our objective was to compare the country-specific species distribution of the four Gram-negative species , and species and the proportions of selected acquired resistance traits within these species.

Method

We used data reported for 2016 to the European Antimicrobial Resistance Surveillance Network (EARS-Net) by 30 countries in the European Union and European Economic Area.

Results

The country-specific species distribution varied considerably. While accounted for 31.9% to 81.0% (median: 69.0%) of all reported isolates, the two most common intrinsically resistant species and spp. combined (PSEACI) accounted for 5.5% to 39.2% of isolates (median: 10.1%). Similarly, large national differences were noted for the percentages of acquired non-susceptibility to third-generation cephalosporins, carbapenems and fluoroquinolones. There was a strong positive rank correlation between the country-specific percentages of PSEACI and the percentages of non-susceptibility to the above antibiotics in all four species (rho > 0.75 for 10 of the 11 pairs of variables tested).

Conclusion

Countries with the highest proportion of and spp. were also those where the rates of acquired non-susceptibility in all four studied species were highest. The differences are probably related to national differences in antibiotic consumption and infection prevention and control routines.

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/content/10.2807/1560-7917.ES.2019.24.33.1800538
2019-08-15
2024-12-22
/content/10.2807/1560-7917.ES.2019.24.33.1800538
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