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Detection of Live Escherichia coli O157:H7 Cells by PMA-qPCR
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Nonenteric Escherichia coli isolates from dogs: 674 cases (1990-1998).

A O Oluoch1, C H Kim, R M Weisiger

  • 1Department of Veterinary Biosciences, College of Veterinary Medicine, University of Illinois, Urbana 61801, USA.

Journal of the American Veterinary Medical Association
|February 24, 2001
PubMed
Summary

Nonenteric Escherichia coli infections in dogs commonly affect the urinary tract. Amikacin, gentamicin, norfloxacin, and enrofloxacin show high efficacy against these canine E. coli isolates.

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Area of Science:

  • Veterinary Microbiology
  • Canine Infectious Diseases

Background:

  • Escherichia coli (E. coli) is a common bacterial pathogen in dogs, frequently associated with enteric infections.
  • Understanding nonenteric E. coli infections is crucial for effective treatment and disease management in canine populations.

Purpose of the Study:

  • To identify nonenteric anatomical sites where E. coli is isolated in dogs.
  • To evaluate the antimicrobial susceptibility patterns of these nonenteric E. coli isolates.

Main Methods:

  • A retrospective analysis of 17,000 canine specimens submitted for bacteriologic culture.
  • Examination of medical records to determine E. coli isolation sites, patient demographics, concurrent infections, and antimicrobial susceptibility.

Main Results:

  • E. coli was isolated from 674 specimens, predominantly from the urinary tract (424 isolates).
  • Other significant nonenteric sites included skin (62), respiratory tract (52), and ear (45).
  • High susceptibility rates were observed for norfloxacin (90%), gentamicin (90.7%), enrofloxacin (87.5%), and amikacin (85.9%).

Conclusions:

  • The urinary tract is the most common nonenteric site for E. coli infections in dogs.
  • Amikacin, gentamicin, norfloxacin, and enrofloxacin are effective antimicrobial agents against canine E. coli isolates.
  • Antimicrobial susceptibility of canine E. coli has remained relatively stable over the past decade.