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Missed Opportunities for Prevention of Mother-to-Child Transmission of Human Immunodeficiency Virus.

ABSTRACT: OBJECTIVE:To identify missed opportunities for prevention of mother-to-child transmission of human immunodeficiency virus (HIV). METHODS:Data regarding HIV-infected children born between 2002 and 2009 to HIV-infected women enrolled in the U.S. International Maternal Pediatric Adolescent AIDS Clinical Trials prospective cohort study (protocol P1025) were reviewed. The characteristics of the HIV-infected infants and their mothers and the mothers' clinical management are described. RESULTS:Twelve cases of mother-to-child transmission of HIV occurred among 1,857 liveborn neonates, for a prevalence of 0.65 per 100 live births to HIV-infected women (95% confidence interval 0.33-1.13). Four transmissions occurred in utero, three were peripartum transmissions, and the timing of transmission for five neonates was unable to be determined. None were breastfed. Seven women had plasma viral loads greater than 400 copies/mL near delivery. Six women had less than 11 weeks of antiretroviral therapy during pregnancy; three of these women had premature deliveries. One woman received no antiretroviral therapy during pregnancy because she was diagnosed with HIV postpartum. Six had poor to moderate adherence to antiretroviral therapy. Four of the five mothers with viral loads greater than 1,000 copies/mL delivered preterm neonates. There were five women who delivered by cesarean; four were nonelective cesarean deliveries and only one was an elective cesarean delivery for HIV prevention. CONCLUSION:Despite access to high-level care and follow-up, a small proportion of HIV-infected women transmitted the virus to their neonates. This case series provides insight into factors contributing to HIV perinatal transmission and can inform the development of new strategies for prevention of mother-to-child transmission of HIV. CLINICAL TRIAL REGISTRATION:ClinicalTrials.gov, https://clinicaltrials.gov, NCT00028145.

SUBMITTER: Scott GB

PROVIDER: S-EPMC6122962 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Missed Opportunities for Prevention of Mother-to-Child Transmission of Human Immunodeficiency Virus.

Scott Gwendolyn B GB Brogly Susan B SB Muenz Daniel D Stek Alice M AM Read Jennifer S JS

Obstetrics and gynecology 20170401 4

<h4>Objective</h4>To identify missed opportunities for prevention of mother-to-child transmission of human immunodeficiency virus (HIV).<h4>Methods</h4>Data regarding HIV-infected children born between 2002 and 2009 to HIV-infected women enrolled in the U.S. International Maternal Pediatric Adolescent AIDS Clinical Trials prospective cohort study (protocol P1025) were reviewed. The characteristics of the HIV-infected infants and their mothers and the mothers' clinical management are described.<h ...[more]

PMID: 28277349

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Project description:BACKGROUND:Children living with HIV remain undiagnosed due to missed opportunities along the prevention of mother-to-child HIV transmission cascade. This study addresses programmatic gaps in the cascade by describing pregnancy and HIV-related services received by mothers of children newly identified as HIV-positive through active case finding. METHODS:This was a prospective observational cohort (2017-2018) of HIV-positive children <15 years of age newly diagnosed at study facilities and/or surrounding communities in Kenya and Uganda. At enrollment, caregivers were interviewed about maternal and child health and HIV history. Child medical and laboratory information was abstracted at two months post-diagnosis. Descriptive summary statistics were calculated; associations between selected factors and child age at HIV diagnosis were evaluated using generalized estimating equations. RESULTS:174 HIV-positive children (median age 2.4 years) were enrolled. Among maternal caregivers, 110/132 (83.3%) attended antenatal care and 60 (45.5%) reported testing HIV-negative in antenatal care. Of 41 and 56 women known to be HIV-positive during pregnancy and breastfeeding respectively, 17 (41.5%) and 15 (26.8%) did not receive antiretroviral drugs. Despite known maternal HIV-positive status during pregnancy, 39% of these children were not diagnosed until after two years of age; children were diagnosed at younger ages in Uganda (p = 0.0074) and if mother was the caregiver (p<0.0001). The most common HIV testing points identifying children were outpatient (44.3%) and maternal/child health departments (29.9%). Nearly all children initiated antiretroviral therapy within two weeks of diagnosis. CONCLUSIONS:Multiple missed opportunities for HIV prevention and delays in HIV testing of HIV-exposed children were identified in newly diagnosed children. Findings support critical prevention messaging and retesting of HIV-negative women during pregnancy and breastfeeding, strengthening HIV treatment initiation and follow-up systems and interventions to ensure HIV-positive women receive lifelong antiretroviral therapy throughout the cascade, and broader implementation of community case finding so children not engaged in care receive testing services.

Project description:BackgroundMother-to-child transmission (MTCT) of human immunodeficiency virus (HIV) is an important global health issue. We hypothesized that the live attenuated poliovirus existing in oral polio vaccine (OPV) may protect uninfected neonates born to HIV-positive mothers through the stimulation of innate immune system.ObjectiveTo test the hypothesis that countries using OPV have a lower MTCT rate (due to postnatal protection provided by the vaccine) compared with those using only inactivated polio vaccine (IPV).MethodsIn an ecological study, the incidence of HIV/AIDS in children aged <1 year (IncHIV1), considered a surrogate index for MTCT rate, was compared between countries using OPV vs. IPV. The aggregated population data were retrieved for 204 countries from the Global Burden of Disease (GBD 2019) Collaborative Network website, "Our World in Data" website, the World Bank website, and the WHO Global Polio Eradication Initiative (GPEI). We used a negative binomial regression model with IncHIV1 as the dependent variable and the prevalence of HIV/AIDS in women aged 15-49 years (PrevHIV), antiretroviral therapy (ART) coverage, human development index (HDI), and the type of vaccine used in each country as independent variables. Multivariate imputation by chained equations was used to treat missing values. Analyses were performed for both the original dataset (with missing values) and the five imputed datasets.ResultsIncHIV1 and PrevHIV were available for all 204 countries; vaccine type, 194 countries; HDI, 182 countries; and ART coverage, 133 countries. One-hundred and twenty-nine countries in the original dataset had complete data for all the above-mentioned variables; the imputed datasets had complete data for all 204 countries. The results obtained from the analysis of the original dataset had no overall difference with the pooled results obtained from the analysis of the five imputed datasets. Countries with higher HDI mainly use IPV; those with lower HDI commonly use OPV. PrevHIV, HDI, and the type of vaccine were independent predictors of IncHIV1. Use of OPV compared to IPV, was independently associated with an average decrease of 17% in IncHIV1 at the median HDI of 0.75. The protection provided by OPV increased in countries with lower HDI.ConclusionsUse of OPV compared with IPV, was independently associated with lower MTCT rate.

Project description:BACKGROUND:Globally, male involvement has been identified as a priority target area to be strengthened in the prevention of mother to child transmission (PMTCT) of HIV. However, there are limited studies on husband involvement in the prevention of mother to child transmission of HIV in Ethiopia. Therefore, this study aimed to assess male involvement in the prevention of mother to child transmission of HIV and associated factors among males whose wives gave birth in the last six months before the survey in Enebsiesarmider district, Northwest Ethiopia. METHODS:A Community-based cross-sectional study was employed to assess male involvement in the prevention of mother to child transmission of human immunodeficiency virus and associated factors in Enebsiesarmider District, Northwest Ethiopia. The study was conducted from February 10-30, 2018. A total of 525 participants were involved in the study. A stratified cluster sampling method was used to recruit study participants. Data were collected using a structured interviewer-administered questionnaire. Data were entered using the epi Data software and exported to SPPS for analysis. Descriptive statistics including mean, a proportion were used to describe study variables. Multivariable logistic regression was employed to describe variables with the outcome variable. RESULT:Overall male involvement in PMTCT was found to be 26.1% [95%CI, 22.1-29.5]. Respondents who have attended secondary education and above were more likely get involved in PMTCT than who have no formal education [AOR 2.45, 95%CI, 1.47-4.11], Respondents who have good knowledge on PMTCT [AOR 2.57, 95%CI, 1.58-4.18], good knowledge on ANC [AOR 2.10, 95%CI, 1.28-3.44], low cultural barriers [AOR 2.20, 95%CI, 1.34-3.63] low health system barriers [AOR 2.40, 95%CI, 1.37-4.20] were variables that significantly increase male involvement in PMTCT practices. CONCLUSION:Male involvement in PMTCT was found to be low in the study area. Therefore, the district health office in collaboration with local health care providers shall design strategies for enhancing male involvement through creating a husband's knowledge regarding the merit of prevention of mother to child transmission through the provision of adequate information for all male partners at ANC clinic is recommended.

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Missed Opportunities for Prevention of Mother-to-Child Transmission of Human Immunodeficiency Virus.

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Missed Opportunities for Prevention of Mother-to-Child Transmission of Human Immunodeficiency Virus.

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