The study was conducted to isolate and determine the antibiotic resistance in Escherichia coli and Klebsiella pneumonia from urine samples over a 2-year period (August 2013-September 2015) at the La Paz Medical Center, Malabo. A retrospective analysis of 785 urine culture samples over a 2-year period August 2013-September 2015 was carried out according to the routine protocol of urinalysis. Bacterial etiological agents were isolated from 155 (19.7%) samples with highest prevalence of Escherichia coli (55.5%) followed by Klebsiella pneumonia (23.2%), Proteus mirabilis (4.5%), Pseudomonas species (3.2%), Enterobacter species (2.6%), Enterococcus faecalis (2.6%) and others species (8.4%). The E. coli and K. pneumonia represent 78.7% of all isolated bacterial strains. The E. coli and K. pneumoniae isolates possess highly resistant to ampicillin, Trimethoprim/Sulfamethoxazole, Doxycycline, Amoxicicline/Clavulanic acid. Whereas K. pneumonia demonstrated also to be highly resistant to Gentamycin, Cefuroxime and Ceftriaxon, low level of resistance to Piperacilin/Tazobactam, Amikacin and the lowest to Imipenem. The alarming level of MDR strains to the first choice antibiotics treatment was observed.
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