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Antibiotic resistance pattern of pathogens causing nosocomial infections isolated from hospital environments in Algeria.

Imane Belkacem, Walid Hassini, Ali Mira Oussaid Yacine, Mekkaoui Haroun, Maamar Mokhtari

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Int. J. Biosci.21(6), 170-181, December 2022

DOI: http://dx.doi.org/10.12692/ijb/21.6.170-181


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The emergence of resistance to antimicrobial agents is a global public health problem, particularly, pathogens causing nosocomial infections.  This study aims to test the antibiotic resistance of strains isolated from hospital surfaces from six services at the Medea hospital in Algeria. In this context, we carried out a study on samples from the hospital environment. We collected 30 samples of which 32 strains were isolated and identified. Our results show the predominance of Gram-negative bacteria in nosocomial infections, but S. aureus was the most frequently isolated positive bacteria with a rate of 19%. The results show that 70% of the samples from the hospital environment were positive, of which beds and toilets had the highest rate. According to our study, the highest rate of resistant strains was observed in the male surgery (MS) and women’s medicine (WM) services. The antibiotic resistance study selected 16 resistant strains. 11 strains are Enterobacteriaceae, 4 strains are Staphylococcus aureus, and one strain is Pseudomonas aeruginosa. The emergence of those bacteria constitutes a potential risk; however, the monitoring of the multi bacterial resistance has become a necessity and requires the establishment of an adapted strategy of intervention in order to avoid the risk of nosocomial infections.


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Antibiotic resistance pattern of pathogens causing nosocomial infections isolated from hospital environments in Algeria.

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