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Biosensor for Detection of Antibiotic Resistant Staphylococcus Bacteria
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Biosensor for Detection of Antibiotic Resistant Staphylococcus Bacteria

Published on: May 8, 2013

Nosocomial antibiotic-associated diarrhea associated with enterotoxin-producing strains of methicillin-resistant

John M Boyce1, Nancy L Havill

  • 1Department of Medicine, Hospital of Saint Raphael; and Yale University School of Medicine New Haven, Connecticut 06511, USA.

The American Journal of Gastroenterology
|August 10, 2005
PubMed
Abstract

Insights

Enterotoxin-producing methicillin-resistant Staphylococcus aureus (MRSA) strains can cause antibiotic-associated diarrhea in hospitals. This finding may lead to quicker diagnosis and treatment for patients with MRSA-related diarrhea.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Clinical Medicine

Background:

  • Nosocomial antibiotic-associated diarrhea is a significant clinical concern.
  • The role of specific bacterial strains, including methicillin-resistant Staphylococcus aureus (MRSA), in causing such conditions requires further elucidation.

Purpose of the Study:

  • To investigate the potential of enterotoxin-producing MRSA strains as a cause of nosocomial antibiotic-associated diarrhea.
  • To provide new evidence linking specific MRSA strains to this condition.

Main Methods:

  • A prospective study was conducted to identify pathogens in patients with nosocomial diarrhea.
  • Staphylococcal enterotoxin assays were performed on MRSA strains and stool specimens.
  • Retrospective cohort studies compared diarrhea severity in different patient groups.

Main Results:

  • Eleven patients developed nosocomial antibiotic-associated diarrhea linked to enterotoxin-producing MRSA strains.
  • MRSA strains produced staphylococcal enterotoxins A, A and B, or D.
  • Patients with MRSA-associated diarrhea experienced significantly more days of diarrhea compared to controls.

Conclusions:

  • Enterotoxin-producing MRSA strains are implicated as a cause of nosocomial antibiotic-associated diarrhea.
  • Increased recognition of this condition can facilitate prompt and effective patient management.

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