Toxigenic culture
Evaluation of Risk Factors for Clostridium difficile Infection Based on Immunochromatography Testing and Toxigenic Culture Assay
... stool culture or by testing for glutamate dehydroge- nase (GDH) or bacterial ...or toxigenic culture is recommended for GDH-antigen-positive cases (1, ...and toxigenic culture were ...
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Comparison of a Commercial Real Time PCR Assay for tcdB Detection to a Cell Culture Cytotoxicity Assay and Toxigenic Culture for Direct Detection of Toxin Producing Clostridium difficile in Clinical Samples
... cell culture neutralization assay (Wampole ...protocols. Toxigenic bacterial culture was performed as ...When toxigenic culture was used as the “gold standard,” the sensitivity, ...
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Diagnosis of Clostridium difficile infection by toxigenic culture and PCR assay
... Due to geographical changes, diarrhea accounts for 1-14% of all hospital infections worldwide (30). Prevalence of C. difficile diarrhea differ according to the population of different hospitals and is affected by ...
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Multiplex PCR Targeting tpi (Triose Phosphate Isomerase), tcdA (Toxin A), and tcdB (Toxin B) Genes for Toxigenic Culture of Clostridium difficile
... PCR toxigenic culture approach was designed for simultaneous identification and toxigenic type characterization of Clostridium difficile ...ⴙ toxigenic types and 11 other Clostridium species ...
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Evaluation of the Use of Rectal Swabs for Laboratory Diagnosis of Clostridium difficile Infection
... Study design. The study was performed at the University Hospital Cologne in Germany. In July and August 2016, clinical stool samples sent to the laboratory of medical microbiology from patients suspected of having CDI ...
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Development of a rapid enzyme immunoassay for Clostridium difficile toxin A and its use in the diagnosis of C difficile associated disease
... Clinical results showed that the cytotoxin assay is the most sensitive test 94.1% for the diagnosis of CDAD, followed by EIA 85.3%, toxigenic culture 79.4%, and latex agglutination 58.8%[r] ...
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Impact of Clinical Symptoms on Interpretation of Diagnostic Assays for Clostridium difficile Infections
... The appropriate reference standard when comparing C. dif- ficile assays is not clear. The Society for Healthcare Epidemi- ology of America and Infectious Diseases Society of America guidelines recommend toxigenic ...
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Perirectal Swab Surveillance for Clostridium difficile by Use of Selective Broth Preamplification and Real Time PCR Detection of tcdB
... anaerobic culture followed by toxin ...(toxigenic culture of stool) performed on asymptomatic carriers to allow an esti- mate of the true sensitivity of perirectal and rectal swabs in this ...
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Comparison of Simplexa Universal Direct PCR with Cytotoxicity Assay for Diagnosis of Clostridium difficile Infection: Performance, Cost, and Correlation with Disease
... Anaerobic culture and bacterial glutamate dehydrogenase (GDH) antigen tests detect the presence of both nontoxigenic and toxigenic strains of ...difficile. Toxigenic culture and PCR for toxin ...
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Strategies for Optimizing the Diagnostic Predictive Value of Clostridium difficile Molecular Diagnostics
... (or toxigenic culture [11]) when the patient also tests negative by toxin EIA because these patients have benign clinical outcomes that are similar to those seen with patients who do not have ...(or ...
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Evaluation of the Cepheid Xpert Clostridium difficile Epi Assay for Diagnosis of Clostridium difficile Infection and Typing of the NAP1 Strain at a Cancer Hospital
... consider toxigenic culture, which includes anaerobic stool culture fol- lowed by toxin detection, as the gold standard for diagnosis of CDI ...for toxigenic culture is several days, ...
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Evaluation of the cobas Cdiff Test for Detection of Toxigenic Clostridium difficile in Stool Samples
... Toxigenic culture. The toxigenic culture included initial and repeat direct and enrichment cultures of stool specimens followed by cytotoxicity ...Direct culture was done by inoculating ...
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Indeterminate tcdB using a Clostridium difficile PCR assay: a retrospective cohort study
... Clostridium difficile is a significant nosocomial and community-acquired pathogen associated with morbid- ity, mortality and cost to the health-care system [1]. Diagnosis of Clostridium difficile infection (CDI) relies ...
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Multicenter Clinical Evaluation of the Portrait Toxigenic C difficile Assay for Detection of Toxigenic Clostridium difficile Strains in Clinical Stool Specimens
... C lostridium difficile has emerged as a major nosocomial patho- gen and is a leading cause of antibiotic-associated diarrhea and pseudomembranous colitis (6). Two toxins, tcdA and tcdB, have been implicated in C. ...
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Detection of Toxigenic Clostridium difficile: Comparison of the Cell Culture Neutralization, Xpert C difficile, Xpert C difficile/Epi, and Illumigene C difficile Assays
... Clostridium difficile is the most important cause of nosocomial diarrhea. Several laboratory techniques are available to detect C. difficile toxins or the genes that encode them in fecal samples. We evaluated the Xpert ...
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Multicenter Evaluation of the Verigene Clostridium difficile Nucleic Acid Assay
... Participating centers and overall study design. This was a prospective study from 28 February 2012 until 27 June 2012 to assess the analytical performance of the Verigene CDF test among five geographically diverse ...
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Impact of Strain Type on Detection of Toxigenic Clostridium difficile: Comparison of Molecular Diagnostic and Enzyme Immunoassay Approaches
... reference culture. The sample size was determined to be a minimum of 241 culture-positive specimens, which was achieved in the clinical ...enrichment culture. A sample was considered ...
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Clostridium difficile Testing in the Clinical Laboratory by Use of Multiple Testing Algorithms
... of toxigenic culture in the clinical trials used for FDA clearance ...to toxigenic culture and demonstrated a sen- sitivity of ...to toxigenic cul- ture and reported a sensitivity of ...
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Real Time Cellular Analysis Coupled with a Specimen Enrichment Accurately Detects and Quantifies Clostridium difficile Toxins in Stool
... EIA, toxigenic culture [TC], cell cytotoxicity neutralization assay [CCNA]), or toxin genes (real-time PCR [RT-PCR] and loop-mediated iso- thermal amplification assay) ...
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Premarket Evaluations of the IMDx C difficile for Abbott m2000 Assay and the BD Max Cdiff Assay
... of toxigenic C. difficile includes anaerobic culture followed by detection of toxin production by ...aerobic toxigenic culture is the most sensitive testing method; however, it is not ...
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