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Updated: May 26, 2026
12:58
A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
Published on: May 25, 2017
Pathology consultation on detection of Clostridium difficile
Annika M Svensson1, P Rocco LaSala,
1Department of Pathology, West Virginia University, Morgantown, USA.
American Journal of Clinical Pathology
|December 20, 2011
Summary
Laboratory detection methods for Clostridium difficile infection (CDI) have evolved. Understanding assay differences is crucial for laboratory directors and pathologists to ensure accurate diagnosis and avoid unnecessary testing.
Area of Science:
- Clinical microbiology
- Infectious diseases
- Diagnostic laboratory science
Background:
- Clostridium difficile is a significant cause of antibiotic-associated diarrhea and colitis.
- Laboratory diagnostics are essential for identifying Clostridium difficile infection (CDI).
- Evolving detection methods necessitate an understanding of their respective strengths and limitations.
Purpose of the Study:
- To delineate key differences among laboratory methods for detecting Clostridium difficile.
- To review common clinical scenarios involving provider test orders for CDI.
- To guide laboratory directors and pathologists in selecting appropriate diagnostic assays.
Main Methods:
- Review of current laboratory diagnostic assays for Clostridium difficile.
- Comparative analysis of assay performance characteristics (sensitivity, specificity, etc.).
- Discussion of clinical utility and cost-effectiveness of different testing strategies.
Main Results:
- Various laboratory tests exist for CDI detection, each with distinct advantages and disadvantages.
- Familiarity with assay performance is critical for accurate CDI diagnosis.
- Understanding testing scenarios helps prevent inappropriate and costly laboratory utilization.
Conclusions:
- Selecting the appropriate Clostridium difficile detection method is vital for effective patient care.
- Pathologists and laboratory directors must be knowledgeable about available diagnostic options.
- Optimizing CDI testing strategies improves diagnostic accuracy and resource management.
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