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Comparing Ceftriaxone and Cefazolin for Treatment of Adult Acute Pyelonephritis; A Clinical Trial

AUTHORS

Azadeh Ebrahimzadeh 1 , Seyed Alireza Saadatjoo 2 , * , Azadeh Alipoor Tabrizi 1

AUTHORS INFORMATION

1 Department of Internal Medicine, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, IR Iran

2 Faculty of Nursing and Midwifery, Birjand University of Medical Sciences, Birjand, IR Iran

How to Cite: Ebrahimzadeh A, Saadatjoo S A, Alipoor Tabrizi A. Comparing Ceftriaxone and Cefazolin for Treatment of Adult Acute Pyelonephritis; A Clinical Trial, Arch Clin Infect Dis. Online ahead of Print ; 5(2):75-9.

ARTICLE INFORMATION

Archives of Clinical Infectious Diseases: 5 (2); 75-9
Article Type: Research Article

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Abstract

Background: Urinary tract infection (UTI) is a major health concern worldwide. The present study was aimed to compare drug resistance to ceftriaxone and cefazolin in adult patients with acute pyelonephritis.

Patients and Methods: For this clinical trial, patients with fever plus either dysuria, frequency, flank pain or flank tenderness were enrolled. Having performed urinalysis (U/A), urine culture (U/C) and antibiogram, they were randomly assigned in two groups: ceftriaxone 1gr twice a day or cefazolin 1gr trice a day. Three days later, urine was re-evaluated and patients were categorized as clinical and microbiological responders. Chi-square test and Fishers exact tests were used, when appropriate. Statistical significance was defined as p<0.05.

Results: Study population included 59 females and 27 males. Escherichia coli was the most frequent isolated pathogen (86.0%). Dysuria, flank pain and flank tenderness was more frequent among non-E. coli-infected than E. coli-infected subjects, however, the difference was solely significant for flank tenderness (p=0.008). Clinical response was observed in 86.1%, 11.6%, and 2.3% of patients 3, 4, and 5 days following the therapy, respectively, however, there was no significant difference between ceftriaxone and cefazolin group. Totally, 93% of patients became culture negative. Rate of microbiological response did not differ significantly between groups.

Conclusion: The results demonstrated that clinical and microbiological responses of patients with acute pyelonephritis are not always compatible. Meanwhile, first and third generation cephalosporins have similar efficacy for treatment of uncomplicated patients.

Keywords

Pyelonephritis, Ceftriaxone, Cefazolin

© 0, Archives of Clinical Infectious Diseases. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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