Comparative evaluation of serological tests in the diagnosis of Syphilis

Background: Diagnostic and therapeutic approaches in syphilis show wide variation. The use of only one type of serological test is insufficient for diagnosis. Objective: The aim of the study was to review serologic data to determine diagnostic performance of three different methods of syphilis...

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Main Author: Sita Mahalakshmi B1 , Sreedevi S2 , Jyothi K3
Format: Article
Language:English
Published: Prathima Institute of Medical Sciences 2017-04-01
Series:Perspectives In Medical Research
Subjects:
Online Access:http://www.pimr.org.in/Sithamahalaxmi.PDF
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author Sita Mahalakshmi B1 , Sreedevi S2 , Jyothi K3
author_facet Sita Mahalakshmi B1 , Sreedevi S2 , Jyothi K3
author_sort Sita Mahalakshmi B1 , Sreedevi S2 , Jyothi K3
collection DOAJ
description Background: Diagnostic and therapeutic approaches in syphilis show wide variation. The use of only one type of serological test is insufficient for diagnosis. Objective: The aim of the study was to review serologic data to determine diagnostic performance of three different methods of syphilis patients from MGM Hospital, Warangal in urban and rural areas during period of 2012-2013. Materials & Methods: In total, 144 RPR reactive samples were collected, with 1 in 4 or more titre of antibody by using RPR, TRUST and TPHA assays Results: 144 test sera were collected from 3 sources namely ICTC, STD and Antenatal OP. 70 sera (48.6%) were taken from ICTC, 62 (43.5%) from STD and 12 (8.3%) from antenatal OP. Table compares the sensitivity and titres of antibody in RPR, TPHA and TRUST. Maximum number of samples (68) are reactive at 1:8 dilutions by RPR, 320 dilutions in TPHA and 64 dilutions in TRUST. The reactivity of all the samples by TPHA is 80 and above, and by TRUST, 32 and above. Conclusion: Based on our results we think that specific Treponemal tests could contribute to reducing the errors that depend on specificity of the method used. Considering the methodology, rapid results and high sensitivity of RPR tests makes it a good choice as screening test in microbiology laboratories
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spelling doaj.art-eae23486df3f41fb91e02a5d47799d402023-11-24T11:52:43ZengPrathima Institute of Medical SciencesPerspectives In Medical Research2348-14472348-229X2017-04-01515054Comparative evaluation of serological tests in the diagnosis of SyphilisSita Mahalakshmi B1 , Sreedevi S2 , Jyothi K30Kakatiya Medical CollegeBackground: Diagnostic and therapeutic approaches in syphilis show wide variation. The use of only one type of serological test is insufficient for diagnosis. Objective: The aim of the study was to review serologic data to determine diagnostic performance of three different methods of syphilis patients from MGM Hospital, Warangal in urban and rural areas during period of 2012-2013. Materials & Methods: In total, 144 RPR reactive samples were collected, with 1 in 4 or more titre of antibody by using RPR, TRUST and TPHA assays Results: 144 test sera were collected from 3 sources namely ICTC, STD and Antenatal OP. 70 sera (48.6%) were taken from ICTC, 62 (43.5%) from STD and 12 (8.3%) from antenatal OP. Table compares the sensitivity and titres of antibody in RPR, TPHA and TRUST. Maximum number of samples (68) are reactive at 1:8 dilutions by RPR, 320 dilutions in TPHA and 64 dilutions in TRUST. The reactivity of all the samples by TPHA is 80 and above, and by TRUST, 32 and above. Conclusion: Based on our results we think that specific Treponemal tests could contribute to reducing the errors that depend on specificity of the method used. Considering the methodology, rapid results and high sensitivity of RPR tests makes it a good choice as screening test in microbiology laboratorieshttp://www.pimr.org.in/Sithamahalaxmi.PDFsyphilistreponema pallidumrpr and tpha
spellingShingle Sita Mahalakshmi B1 , Sreedevi S2 , Jyothi K3
Comparative evaluation of serological tests in the diagnosis of Syphilis
Perspectives In Medical Research
syphilis
treponema pallidum
rpr and tpha
title Comparative evaluation of serological tests in the diagnosis of Syphilis
title_full Comparative evaluation of serological tests in the diagnosis of Syphilis
title_fullStr Comparative evaluation of serological tests in the diagnosis of Syphilis
title_full_unstemmed Comparative evaluation of serological tests in the diagnosis of Syphilis
title_short Comparative evaluation of serological tests in the diagnosis of Syphilis
title_sort comparative evaluation of serological tests in the diagnosis of syphilis
topic syphilis
treponema pallidum
rpr and tpha
url http://www.pimr.org.in/Sithamahalaxmi.PDF
work_keys_str_mv AT sitamahalakshmib1sreedevis2jyothik3 comparativeevaluationofserologicaltestsinthediagnosisofsyphilis