Evaluation of the second generation of a commercial latex agglutination test for the detection of rotavirus antigens in fecal samples. 2013

Poornima Dusetty, and F Raúl Velázquez, and Ana Lorena Gutiérrez-Escolano, and Juan E Ludert
Department of Infectomics and Molecular Pathogenesis, CINVESTAV-IPN. Av. IPN 2508, San Pedro Zacatenco, C.P. 07360, México, D.F., Mexico.

BACKGROUND Despite vaccine availability, the infection rate and disease burden associated with rotavirus infection are still high. Thus, accurate diagnosis of rotavirus infection continues to be necessary for proper patient clinical management and disease control. OBJECTIVE To evaluate the performance of a novel, second generation, commercial latex tests (Pastorex™ Rotavirus latex agglutination test, BIORAD, Marnes-La-Coquette, France), for the detection of rotavirus in human feces. METHODS Using 166 fecal samples collected from children with acute diarrhea, and previously tested for rotavirus, calicivirus and astrovirus, the second generation Pastorex™ Rotavirus latex agglutination test was evaluated. CONCLUSIONS The test showed a sensitivity of 85.9% and a specificity of 97.7%. Positive and negative predicted values for the test were 97% and 88%, respectively. The results suggest that this commercial test is a good alternative for rotavirus diagnosis.

UI MeSH Term Description Entries
D007841 Latex Fixation Tests Passive agglutination tests in which antigen is adsorbed onto latex particles which then clump in the presence of antibody specific for the adsorbed antigen. (From Stedman, 26th ed) Latex Agglutination Tests,Agglutination Test, Latex,Agglutination Tests, Latex,Fixation Test, Latex,Fixation Tests, Latex,Latex Agglutination Test,Latex Fixation Test,Test, Latex Agglutination,Test, Latex Fixation,Tests, Latex Agglutination,Tests, Latex Fixation
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003967 Diarrhea An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present. Diarrhea is not hyperdefecation or increased fecal weight. Diarrheas
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D012400 Rotavirus Infections Infection with any of the rotaviruses. Specific infections include human infantile diarrhea, neonatal calf diarrhea, and epidemic diarrhea of infant mice. Infection, Rotavirus,Infections, Rotavirus,Rotavirus Infection
D012401 Rotavirus A genus of REOVIRIDAE, causing acute gastroenteritis in BIRDS and MAMMALS, including humans. Transmission is horizontal and by environmental contamination. Seven species (Rotaviruses A thru G) are recognized. Neonatal Calf Diarrhea Virus,Rotaviruses
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D057230 Limit of Detection Concentration or quantity that is derived from the smallest measure that can be detected with reasonable certainty for a given analytical procedure. Limits of Detection,Detection Limit,Detection Limits

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