A Study Of Antibiotic Susceptibility Of Clinical Strains Of Pseudomonas Aeruginosa In University Hospital Center In Batna, Algeria | 51375
Journal of Infectious Diseases & Therapy
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Pseudomonas aeruginosa is an important opportunistic pathogen that plays an important role in hospital and causes a wide
spectrum of nosocomial infections that can lead to sepsis, pneumonia, endocarditis and urinary tract infections. The development
of resistance of P. aeruginosa to antibiotics is increasing globally due to the overuse of antibiotics. This study examines the antibiotic
resistance in clinical isolates of P. aeruginosa that was carried out in the Central Bacteriology Laboratory, University Hospital Center
in Batna from January 2015 to December 2015. All samples received in the laboratory were processed according to Clinical and
Laboratory Standards Institute (CLSI, 2014) guidelines. Identification of P. aeruginosa was done by conventional (Api 20 NE)
techniques and antimicrobial susceptibility pattern to 14 antimicrobial agents was determined by disc diffusion method and total of
199 patients with mean age of 24.15±22.15 (50.25% males and 49.75% females). The resistance was seen with Levofloxacin 21.6%,
Ceftazidime 9.55%, Piperacillin 38.68%, Colistin 6.03%, Gentamicin 30.15%, Ciprofloxacin 9.04% Aztreonam 8.54% and Imipenem
was 14.07%. The most frequent mechanisms of resistance were OprD2 (2.01%) and metallo-b-lactamase MβL (1%). The most affected
departments were: Burned (29.14%), Neurosurgery (17.58%) and the Medical-ICU (11.55%). Specimens’ frequency according to the
isolation rate was: Pus (53.77%) and cerebrospinal fluid (12.56%). In the present study Aztreonam, Ceftazidime, Ciprofloxacin and
Colistin were found to be the most effective drugs against P. aeruginosa.