Antimicrobial Susceptibility Patterns of Gram-Negative Bacteria Causing Urinary Tract Infections تقصي أنماط الحساسية للبكتيريا السالبة لصبغة جرام المسببة لالتهابات المسالك البولية

الاسطل, زكريا and رمضان, حنان and أبو شنب, علا and صقر, نجلا (2016) Antimicrobial Susceptibility Patterns of Gram-Negative Bacteria Causing Urinary Tract Infections تقصي أنماط الحساسية للبكتيريا السالبة لصبغة جرام المسببة لالتهابات المسالك البولية. Al-Aqsa University Journal (Natural Sciences Series), 20 (1). pp. 32-43. ISSN 2070-3155 (Print), ISSN 2521-893X (Online)

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Abstract

Microbial drug resistance is a major problem in the treatment of urinary tract infections worldwide. A hospital-based descriptive retrospective study was implemented to investigate the occurrence of Gram-negative bacteria causing urinary tract infections and to assess their antimicrobial sensitivity patterns in Nasser Medical Complex, Gaza-Strip. The study included all urine samples collected from adults for culture investigation during the period from January 2014 to December 2014. Positive culture was defined as growth of a single bacterial species with colony count of ≥ 100,000 cfu/ml. A total of 331 Gram-negative isolates were studied, females constituted the source of 198 isolates (59.8%), whereas 133 isolates (40.2%) were from males. The common Gram-negative isolates were E. coli (56.9%), Klebsiella sp. (19.1%) and Enterobacter sp. (10.9%). Thirteen commonly locally used antibiotics were implemented in this study. It is found that 83.7% of the isolates showed sensitivity to amikacin, 72.7% to ciprofloxacin and 69.5% to ceftazidim. The lowest sensitivity was shown to amoxicillin (10.3%), co-trimethoprim (31.1%) and cepahlexin (38.1%). Results of this study may suggest ciprofloxacin as an empirical treatment in our region for urinary tract infections until susceptibility reports are issued

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