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Related Experiment Videos

Uropathogens and their susceptibility pattern: a retrospective analysis.

S W Khan1, A Ahmed

  • 1Ziauddin Medical University Hospital, Karachi.

JPMA. the Journal of the Pakistan Medical Association
|April 27, 2001
PubMed
Summary

Urinary tract infections are increasingly resistant to common antibiotics. Escherichia coli and Enterococcus species show significant resistance, necessitating updated antibiotic policies based on local surveillance data for effective treatment strategies.

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Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Clinical Pathology

Background:

  • Urinary tract infections (UTIs) are common, and their treatment is challenged by rising antimicrobial resistance.
  • Understanding the local prevalence and susceptibility patterns of uropathogens is crucial for effective UTI management.

Purpose of the Study:

  • To determine the frequency of common uropathogens.
  • To analyze the antibiotic susceptibility patterns of these pathogens in Karachi.

Main Methods:

  • A retrospective analysis of 2,844 urine samples cultured over seven months.
  • Identification of positive samples and antibiotic susceptibility testing using standard microbiological methods.
  • Data analysis using Microsoft Excel 97.

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Main Results:

  • Escherichia coli was the predominant uropathogen (45.6%), followed by Candida spp. (10.5%) and Enterococcus spp. (10.2%).
  • E. coli exhibited low sensitivity to ampicillin (26%) and ceftazidime (20%), but higher sensitivity to nitrofurantoin (79.5%) and gentamicin (65%).
  • Enterococcus isolates demonstrated significant resistance to ampicillin (60%).

Conclusions:

  • The antibiotic resistance patterns of uropathogens causing UTIs are evolving.
  • Current treatment strategies must consider these changing resistance trends.
  • Local surveillance data should guide the development of antibiotic policies for UTIs.