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[Enterotoxigenic Escherichia in patients with acute intestinal infection]

I N Ulisko, M V Stepanova, Iu V Vertiev

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |August 1, 1988
    PubMed

    Insights

    This study found that while many Escherichia strains produce thermolabile enterotoxin (TLET), detecting TLET alone is insufficient to confirm their role in acute enteric infections. Further analysis is needed to determine etiological significance.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Immunology

    Context:

    • Escherichia strains are frequently isolated from patients with acute enteric infections.
    • Characterizing these strains is crucial for understanding disease pathogenesis.

    Purpose:

    • To investigate the prevalence and etiological significance of enterotoxigenic Escherichia strains in acute enteric infections.
    • To analyze the serological profiles and enterotoxin production of Escherichia strains.

    Summary:

    • Out of 4,082 Escherichia strains, 2,979 were typed into 139 O-groups. 19.3% of strains from 354 patients showed positive thermolabile enterotoxin (TLET) production.
    • Enterotoxigenic Escherichia strains were found in 5.5% of patients, encompassing 78 O-groups with variations in TLET production.
    • While TLET production is widespread, it's a necessary but not sufficient criterion for determining the etiological importance of Escherichia in acute enteric infections.

    Impact:

    • Highlights the complexity of identifying pathogenic Escherichia strains.
    • Informs diagnostic approaches for acute enteric infections.
    • Suggests the need for comprehensive criteria beyond enterotoxin detection for etiological classification.

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