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1.
Rev. méd. Chile ; 119(2): 164-8, feb. 1991. tab
Article in Spanish | LILACS | ID: lil-98200

ABSTRACT

We evaluated the usefulness of the direct immunofluorescence test with monoclonal antibodies and the enzyme immunoassay in comaprison with isolation in cell cultures for the diagnosis of Chlamydia trachomatis in 55 endocervica specimens from female prostitutes and 21 urethral specimens fro men with diagnosis of nongonococcal urethritis. In comparison with culture, the enzyme immunoassay had a sensitivity of 100% and a specificity of 95%. The immunofluorescence test had a sensitivity of 92% and a specificity of 98%. The positive and negative predictive values for the enzyme immunoassay were 81% and 100% and for immunofulorescence 92% and 98% respectively. The immunologic methods appear to be satisfactory alternatives to culture for detecting C trachomatis in genital specimens in the studied populations


Subject(s)
Humans , Male , Female , Varicocele/diagnosis , Chlamydia Infections/diagnosis , Cells, Cultured , Chlamydia trachomatis/isolation & purification , Fluorescent Antibody Technique , Immunoenzyme Techniques , Sensitivity and Specificity
2.
Rev. chil. infectol ; 8(3): 145-7, 1991. tab
Article in Spanish | LILACS | ID: lil-119757

ABSTRACT

Se evaluó la utilidad de un método rápido de ensayo inmunoenzimático (TestPack, Chlamydia, Abbott Laboratories), en comparación con la técnica de cultivo celular, para la detección de Chlamydia trachomatis de muestras endocervicales obtenidas de 120 mujeres provenientes d dos poblaciones de Santiago. La sensibilidad global del ensayo inmunoenzimático fue 88,9% y su especificidad 99,1%. Los valores predictivos positivo y negativo fueron 90 y 99,1% respectivamente. En síntesis, la técnica evaluada demostró ser muy simple y rápida de realizar y de alta especificidad. No obstante, su sensibilidad inferior al cultivo celular, permite sugerir su uso en pacientes sintomáticos o población femenina de alto riesgo de infección por C. trachomatis


Subject(s)
Humans , Female , Chlamydia trachomatis/isolation & purification , Immunoenzyme Techniques/standards , Vaginal Smears , Case-Control Studies , Risk Groups
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