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Y. enterocolitica gastroenteritis - a prospective study.

M Lal1, H Kaur, L K Gupta

  • 1Department of Microbiology, Christian Medical College, Ludhiana -141 008, Punjab, India.

Indian Journal of Medical Microbiology
|July 24, 2007
PubMed
Summary
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Yersinia enterocolitica infections were identified in 2.05% of diarrheal patients, predominantly adults over 16. Isolates showed resistance to ofloxacin but sensitivity to several other antibiotics.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Diagnostics

Background:

  • Bacterial gastroenteritis remains a significant public health concern.
  • Yersinia enterocolitica is an important zoonotic pathogen causing enterocolitis.

Purpose of the Study:

  • To investigate the prevalence and characteristics of Yersinia enterocolitica in diarrheal patients.
  • To determine the antimicrobial susceptibility patterns of isolated Y. enterocolitica strains.

Main Methods:

  • Faecal samples from diarrheal patients and healthy controls were cultured on MacConkey agar and Cefsulodin-Irgasan-Novobiocin (CIN) media.
  • Cold enrichment technique was employed prior to bacterial isolation.
  • Serotyping and biotyping were performed on positive isolates, alongside antimicrobial susceptibility testing.

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Main Results:

  • Yersinia enterocolitica was detected in 2.05% of diarrheal samples.
  • Infection was more prevalent in individuals over 16 years old (56%) and during winter months.
  • Serotype 0:3 was the most common typable isolate (21.9%), and biotype IV was predominant (51.2%).
  • All isolates were resistant to ofloxacin, but sensitive to chloramphenicol, gentamicin, amikacin, ciprofloxacin, ampicillin, netromycin, cefoperazone, tobramycin, and pefloxacin.

Conclusions:

  • Yersinia enterocolitica is a notable cause of bacterial diarrhea, particularly in older age groups.
  • The observed antimicrobial resistance pattern, especially to ofloxacin, highlights the need for careful antibiotic selection in treating Y. enterocolitica infections.
  • Understanding the epidemiology and susceptibility of Y. enterocolitica is crucial for effective disease management.