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Prevalence and outcomes of HIV-1 diagnostic challenges during universal birth testing - an urban South African observational cohort.

Identifieur interne : 000C95 ( PubMed/Corpus ); précédent : 000C94; suivant : 000C96

Prevalence and outcomes of HIV-1 diagnostic challenges during universal birth testing - an urban South African observational cohort.

Auteurs : Karl-Günter Technau ; Ahmad Haeri Mazanderani ; Louise Kuhn ; Lucia Hans ; Renate Strehlau ; Elaine J. Abrams ; Martie Conradie ; Ashraf Coovadia ; Ndileka Mbete ; Pamela M. Murnane ; Faeezah Patel ; Stephanie Shiau ; Caroline T. Tiemessen ; Gayle G. Sherman

Source :

RBID : pubmed:28872276

Abstract

HIV-1 polymerase chain reaction (PCR) testing at birth aims to facilitate earlier initiation of antiretroviral therapy (ART) for HIV-infected neonates. Data from two years of universal birth testing implementation in a high-burden South African urban setting are presented to demonstrate the prevalence and outcomes of diagnostic challenges in this context.

DOI: 10.7448/IAS.20.7.21761
PubMed: 28872276

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pubmed:28872276

Le document en format XML

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<front>
<div type="abstract" xml:lang="en">HIV-1 polymerase chain reaction (PCR) testing at birth aims to facilitate earlier initiation of antiretroviral therapy (ART) for HIV-infected neonates. Data from two years of universal birth testing implementation in a high-burden South African urban setting are presented to demonstrate the prevalence and outcomes of diagnostic challenges in this context.</div>
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<DateCreated>
<Year>2017</Year>
<Month>09</Month>
<Day>05</Day>
</DateCreated>
<DateRevised>
<Year>2017</Year>
<Month>09</Month>
<Day>27</Day>
</DateRevised>
<Article PubModel="Print">
<Journal>
<ISSN IssnType="Electronic">1758-2652</ISSN>
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<Volume>20</Volume>
<Issue>Suppl 6</Issue>
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<Year>2017</Year>
<Month>08</Month>
<Day>29</Day>
</PubDate>
</JournalIssue>
<Title>Journal of the International AIDS Society</Title>
<ISOAbbreviation>J Int AIDS Soc</ISOAbbreviation>
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<ArticleTitle>Prevalence and outcomes of HIV-1 diagnostic challenges during universal birth testing - an urban South African observational cohort.</ArticleTitle>
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<MedlinePgn>21761</MedlinePgn>
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<Abstract>
<AbstractText Label="INTRODUCTION">HIV-1 polymerase chain reaction (PCR) testing at birth aims to facilitate earlier initiation of antiretroviral therapy (ART) for HIV-infected neonates. Data from two years of universal birth testing implementation in a high-burden South African urban setting are presented to demonstrate the prevalence and outcomes of diagnostic challenges in this context.</AbstractText>
<AbstractText Label="METHODS">HIV-exposed neonates born at Rahima Moosa Mother and Child Hospital between 5 June 2014 and 31 August 2016 were routinely screened at birth for HIV-1 on whole blood samples using the COBAS® AmpliPrep/COBAS® TaqMan (CAP/CTM) HIV-1 Qualitative Test, version 2.0 (Roche Molecular Systems, Inc., Branchburg, NJ, USA). Virological results were interpreted according to standard operating procedures with the South African National Health Laboratory Service. All neonates with non-negative results were actively followed-up and categorized according to HIV infection status as positive, negative, uncertain and lost to follow-up (LTFU).</AbstractText>
<AbstractText Label="RESULTS">104 (1.8%) of 5743 HIV-exposed neonates received a non-negative birth PCR result, for which laboratory data were available for 102 (98%) cases - 78 (76%) tested positive and 24 (24%) indeterminate. HIV infection status was confirmed positive in 83 (81%) infants, negative in 8 (8%), uncertain in 5 (5%) and LTFU in 6 (6%) cases. The positive predictive value (excluding cases of uncertain diagnosis and inadequate testing) following a non-negative HIV-1 PCR screening test at birth was 0.91 (83/91; 95% confidence interval: 0.85-0.96). Neonates testing positive at birth had significantly higher viral load (VL) results than those testing indeterminate at birth of 4.5 and 3.0 log copies/ml (p = 0.0007), respectively. Similarly, mothers of neonates with positive as compared to indeterminate birth test results had higher VLs of 4.5 and 2.7 log copies/ml (p = 0.0013), respectively. Half of neonates with an indeterminate birth test were shown to be HIV-infected on subsequent confirmatory testing, with time to final diagnosis 30 days longer for these neonates (p < 0.0001).</AbstractText>
<AbstractText Label="CONCLUSION">Indeterminate HIV-1 PCR results accounted for a quarter of non-negative results at birth and were associated with a high risk of infection in comparison to the risk of in utero transmission. Indeterminate birth results with positive HIV PCR results on repeat testing were associated with later final diagnosis. The HIV-1 status remains uncertain in a minority of cases because of repeatedly indeterminate results, highlighting the need for more sensitive and specific virological tests.</AbstractText>
</Abstract>
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<Affiliation>Empilweni Services and Research Unit, Department of Paediatrics & Child Health, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.</Affiliation>
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<Affiliation>Centre for HIV & STIs, National Institute for Communicable Diseases, Johannesburg, South Africa.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.</Affiliation>
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</AffiliationInfo>
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<LastName>Strehlau</LastName>
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<AffiliationInfo>
<Affiliation>Empilweni Services and Research Unit, Department of Paediatrics & Child Health, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.</Affiliation>
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</AffiliationInfo>
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<Affiliation>Gertrude H. Sergievsky Center, College of Physicians and Surgeons, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA.</Affiliation>
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<AffiliationInfo>
<Affiliation>Gertrude H. Sergievsky Center, College of Physicians and Surgeons, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA.</Affiliation>
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<LastName>Tiemessen</LastName>
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<Initials>CT</Initials>
<AffiliationInfo>
<Affiliation>Centre for HIV & STIs, National Institute for Communicable Diseases, Johannesburg, South Africa.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Sherman</LastName>
<ForeName>Gayle G</ForeName>
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<AffiliationInfo>
<Affiliation>Empilweni Services and Research Unit, Department of Paediatrics & Child Health, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Centre for HIV & STIs, National Institute for Communicable Diseases, Johannesburg, South Africa.</Affiliation>
</AffiliationInfo>
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<Grant>
<GrantID>U01 HD080441</GrantID>
<Acronym>NH</Acronym>
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<Country>United States</Country>
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<Keyword MajorTopicYN="Y">HIV-1 PCR</Keyword>
<Keyword MajorTopicYN="Y">birth testing</Keyword>
<Keyword MajorTopicYN="Y">early infant diagnosis</Keyword>
<Keyword MajorTopicYN="Y">indeterminate</Keyword>
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<CoiStatement>The authors have no conflicts of interest to disclose.</CoiStatement>
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   |area=    SidaSubSaharaV1
   |flux=    PubMed
   |étape=   Corpus
   |type=    RBID
   |clé=     pubmed:28872276
   |texte=   Prevalence and outcomes of HIV-1 diagnostic challenges during universal birth testing - an urban South African observational cohort.
}}

Pour générer des pages wiki

HfdIndexSelect -h $EXPLOR_AREA/Data/PubMed/Corpus/RBID.i   -Sk "pubmed:28872276" \
       | HfdSelect -Kh $EXPLOR_AREA/Data/PubMed/Corpus/biblio.hfd   \
       | NlmPubMed2Wicri -a SidaSubSaharaV1 

Wicri

This area was generated with Dilib version V0.6.32.
Data generation: Mon Nov 13 19:31:10 2017. Site generation: Wed Mar 6 19:14:32 2024