30 isolates of Escherichia coli (41.2%) and 12 isolates of Klebsiella pneumoniae (15%) were detected from 80 isolates . 270 urine samples from females and males were collected from patients with urinary tract infection.The bacterial isolates were detected by bacteriological and biochemical tests.This study revealed that E. coli is the most common cause of community-acquired UTI (41.2%), followed by K.pneumoniae (15%) .
Susceptibility to antibiotics was assessed by the disc diffusion technique on Mueller–Hinton agar (MH).12 kinds of antibiotic discs used (amikacin ,imipenem ,ciprofloxacin ,tobramycin ,cotrimoxazole ,nalidexic acid, nitrofurantoin ,norfloxacin ,pipracillin ,ampicillin , augmentin and gentamycin).
All the isolates of E. coli were sensitive to imipenem ((100%) ,amikacin (66.6%) and nitrofurantoin ( 66.6% ) ,while they were resistant to ampicillin ( 90% ) and augmentin ( 90%) .The isolates of K.pneumoniae were all sensitive to imipenem (100%) and most of them were resistant to augmentin (83.3%) and co-trimethoxazole (83.3% .The isolates were tested for beta-lactamase production ,and 5 isolates were regarded as positive producer ;3 isolates of E. coli and two isolates of K.pneumoniae. |