PATTERN OF RESISTANCE TO BETA-LACTAMS IN E.COLI ISOLATED FROM URINARY TRACT INFECTIONS IN IRAN

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HOSSEINI-MAZINANI S.M.; JAFARNEJAD H.; GHANDILI S.

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Journal Paper

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Journal: Medical Journal of The Islamic Republic of Iran Year:2003 | Volume:16 | Issue:4 Page(s): 209-212

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Title

PATTERN OF RESISTANCE TO BETA-LACTAMS IN E.COLI ISOLATED FROM URINARY TRACT INFECTIONS IN IRAN

Author(s)

HOSSEINI-MAZINANI S.M. | JAFARNEJAD H. | GHANDILI S. | Issue Writer Certificate

Keywords

ANTIBIOTIC RESISTANCE

C1AVULANIC ACID

THIRD-GENERATION CEPHALOSPORINS

URINARY TRACT INFECTION

Abstract

A total of 385 urine specimens from suspected URINARY TRACT INFECTIONs were subjected to bacteriological analysis and susceptibility testing at a major university hospital laboratory in Tehran. A battery of eight beta-lactam antibiotics, commonly prescribed in Iran, and three THIRD-GENERATION CEPHALOSPORINS (ceftazidime, ceftriaxone and ceftizoxime) that are usually reserved for limited use in the hospital setting were tested against Ecoli urine isolates, using Kirby-Bauer disk diffusion method. E coli was the most common isolate from both the inpatient (37.8%) and outpatient (30.5%) populations. The susceptibility testing revealed a high degree of resistance to oxacillin, ampicillin, amoxycillin, carbenicillin and cephradine. Furthermore, a marked difference in the sensitivity/resistance ratio between the inpatient and outpatient populations was observed. The Ecoli isolates exhibited the highest rate of resistance to oxacillin, ranging from 49.4% in the outpatients to 81.6% in the inpatients. The frequency of the isolate resistance to first-generation cephalosporins was less widespread. Despite the absence of resistance to THIRD-GENERATION CEPHALOSPORINS among the outpatient isolates, a significant resistance to ceftazidime (9.6%) and ceftriaxone (8.8%) was observed among the outpatient bacterial isolates. The susceptibility testing of the Ecoli isolates to a combination of amoxycillin and clavulanic acid revealed 6.9% resistance among outpatient and 12.5% among inpatient isolates. These results are particularly significant in that this study was performed immediately before the introduction of Co-amoxyclav to the Iranian drug market and can be served as a basis for monitoring the spread of resistance to this drug in Iran.

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APA: Copy

HOSSEINI-MAZINANI, S.M., JAFARNEJAD, H., & GHANDILI, S.. (2003). PATTERN OF RESISTANCE TO BETA-LACTAMS IN E.COLI ISOLATED FROM URINARY TRACT INFECTIONS IN IRAN. MEDICAL JOURNAL OF THE ISLAMIC REPUBLIC OF IRAN (MJIRI), 16(4), 209-212. SID. https://sid.ir/paper/294038/en

Vancouver: Copy

HOSSEINI-MAZINANI S.M., JAFARNEJAD H., GHANDILI S.. PATTERN OF RESISTANCE TO BETA-LACTAMS IN E.COLI ISOLATED FROM URINARY TRACT INFECTIONS IN IRAN. MEDICAL JOURNAL OF THE ISLAMIC REPUBLIC OF IRAN (MJIRI)[Internet]. 2003;16(4):209-212. Available from: https://sid.ir/paper/294038/en

IEEE: Copy

S.M. HOSSEINI-MAZINANI, H. JAFARNEJAD, and S. GHANDILI, “PATTERN OF RESISTANCE TO BETA-LACTAMS IN E.COLI ISOLATED FROM URINARY TRACT INFECTIONS IN IRAN,” MEDICAL JOURNAL OF THE ISLAMIC REPUBLIC OF IRAN (MJIRI), vol. 16, no. 4, pp. 209–212, 2003, [Online]. Available: https://sid.ir/paper/294038/en

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