Positive C difficile nucleic acid amplification test OR
Nucleic Acid Amplification Test Quantitation as Predictor of Toxin Presence in Clostridium difficile Infection
... in C q levels among different ribotype ...had positive culture results and the 1 remaining sample had a clear clinical suspicion of CDI, false-positive toxin A/B EIA results were considered less ...
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Nucleic Acid Amplification Test Quantitation as Predictor of Toxin Presence in Clostridium difficile Infection
... in C q levels among different ribotype ...had positive culture results and the 1 remaining sample had a clear clinical suspicion of CDI, false-positive toxin A/B EIA results were considered less ...
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Multicenter Evaluation of the Quidel Lyra Direct C difficile Nucleic Acid Amplification Assay
... Compared to CCNA, the real-time PCR platforms did not sig- nificantly vary in performance, with sensitivities and specificities ranging from 90.0 to 95.5% and 93.3 to 95.0%. However, com- pared to enhanced toxigenic ...
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Impact of the introduction of a nucleic acid amplification test for Clostridium difficile diagnosis on stool rejection policies
... A positive result was defined as a positive test for free toxins or toxin ...of positive stool samples to the total number of tested ...first positive sample during the same diarrheal ...
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False-Positive Gonorrhea Test Results with a Nucleic Acid Amplification Test: The Impact of Low Prevalence on Positive Predictive Value
... Cases 2 and 3 occurred within a 2-week period ∼3 months after the first case. The temporal clustering of these cases, com- bined with the psychological impact on the patients and their partners, led to the initiation of ...
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Clinical and economic impact of the introduction of a nucleic acid amplification assay for Clostridium difficile
... Strengths of our study include a real-world testing environment at a time when the prevalence and mor- bidity and mortality due to CDI are increasing, and a thorough evaluation of both the clinical and economic impacts ...
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Evaluation of CDC Recommended Approaches for Confirmatory Testing of Positive Neisseria gonorrhoeae Nucleic Acid Amplification Test Results
... [GC])-positive nucleic acid amplification test (NAAT) results: (i) repeating the original test on the original specimen, (ii) testing the original specimen with a different ...
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Multiplex Nucleic Acid Amplification Test for Diagnosis of Dengue Fever, Malaria, and Leptospirosis
... specific amplification of sequences found in patient samples or the contamination of laboratory ...nonspecific amplification in the Leptospira assay during the ana- lytical evaluation of the UFI assay or ...
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Utility of cartridge based nucleic acid amplification test in the diagnosis of extra pulmonary tuberculosis
... tuberculosis represented 15% of the 6.1 million incident cases that were notified, ranging from 8% in the Western Pacific Region to 23% in the Eastern Mediterranean Region. The percentage of patients with extra-pulmonary ...
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Improving HIV 2 Detection by a Combination of Serological and Nucleic Acid Amplification Test Assays
... screening test followed by HIV-1/2 confirmatory ...screening test in diagnostic lab- oratories indicated that an incorrect diagnosis of HIV-2- positive serum in Italy may be related to the use, on a ...
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Diagnostic value of nine nucleic acid amplification test systems for Mycobacterium tuberculosis complex
... Due to the low sensitivity to SNss seems to lower the effect of the nine NAATs. The low sensitivity for smear-negative specimens seems to be the nine NAATs ineffective. Negative results obtained from ...
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Performance of Clostridium difficile Toxin Enzyme Immunoassay and Nucleic Acid Amplification Tests Stratified by Patient Disease Severity
... detection test, such as CCNA, may aid with diagnosis, but all laboratory tests must be interpreted in the context of patient symptoms and risk factors for ...
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Nucleic Acid Amplification Tests for Diagnosis of Bordetella Infections
... patents have been granted for primer-probe sets in IS481 (4, 12a). There has been concern about the specificity of detection of B. pertussis due to sequence identity with B. holmesii (11, 18). To address this, more than ...
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CiteSeerX — Improving HIV-2 Detection by a Combination of Serological and Nucleic Acid Amplification Test Assays
... screening test followed by HIV-1/2 confirmatory ...screening test in diagnostic lab- oratories indicated that an incorrect diagnosis of HIV-2- positive serum in Italy may be related to the use, on a ...
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Role of cbnaat (cartridge based nucleic acid amplification test) in the diagnosis of tubercular pleural effusion
... mentioned literature male were more frequently affected than man, there is clear evidence that socioeconomic and cultural factors leading to barriers in accessing health care may cause under notification in women, ...
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Successful Combination of Nucleic Acid Amplification Test Diagnostics and Targeted Deferred Neisseria gonorrhoeae Culture
... Another factor is that 51% of our deferred culture samples were of rectal origin, which are less successful in direct culture than uro- genital samples (4, 18). Our results showed that if a direct culture of a rectal ...
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Multicenter Evaluation of the Verigene Clostridium difficile Nucleic Acid Assay
... For C. difficile testing on the Verigene system, 100 l of the prepared stool sample is loaded into the sample well of the extraction ...The test specimen is prepared from a soft or liquid stool ...
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Cartridge based nucleic acid amplification test negative in highly suspected case of tuberculosis: a case report
... based nucleic acid amplification test (CBNAAT) in the revised national TB control program (RNTCP) is highly promising with a higher yield of bacteriological diagnosis in sputum negative ...
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Pooled Nucleic Acid Amplification Test for Screening of Stool Specimens for Shiga Toxin Producing Escherichia coli
... the C T value of individually tested specimens, but it might be attributable to a number of factors that result from the pooling of multiple samples, such as sample dilution, nutrient limitation within growth ...
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Design and Validation of Transcription Mediated Amplification Nucleic Acid Amplification Tests for Mycoplasma genitalium
... a Hologic Inc., San Diego, California, USA b Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington, USA ABSTRACT Mycoplasma genitalium is a sexually ...
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