مقايسه روش مستقيم تعيين حساسيت به آنتي بيوتيكها با آنتي بيوگرام استاندارد در عفونتهاي ادراري بانوان حامله

Comparison of Direct Antirnicrobial Susceptibilety testing (DST) and Standardized disk diffusion Method in Urinary Tract infections among Pregnant women

Introduction: Direct antimicrobial susceptibility testing (DST) of urine specimen is very favorable because of its time saving property. This study was designed to evaluate the performance and accuracy of DST in urinary tract infection in comparison with standard antimicrobial susceptibility test. Material and Methods: We performed D.S.T using eight recommended antibiotic on urine specimen from 150 pregnant women with suspected UTI and compared the results with the result of standardized disc diffusion susceptibility tests done on the same specimen. Results: Direct tests were acceptable for 94% of specimen with UTIs which is caused with one bacterium. Errors were more common in low bacterial and mixed UTI in direct test. Conclusion: Direct antimicrobial susceptibility testing (DST), for urine specimen, offers efficient, rapid and accurate results when were use selectively and interpreted carefully.