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HIV mother to child transmission

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https://www.readbyqxmd.com/read/28225335/integrating-tuberculosis-screening-in-kenyan-prevention-of-mother-to-child-transmission-programs
#1
L M Cranmer, A Langat, K Ronen, C J McGrath, S LaCourse, J Pintye, B Odeny, B Singa, A Katana, L Nganga, J Kinuthia, G John-Stewart
BACKGROUND: Tuberculosis (TB) screening in Prevention of Mother-To-Child Transmission (PMTCT) programs is important to improve TB detection, prevention and treatment. METHODS: As part of a national PMTCT program evaluation, mother-infant pairs attending 6-week and 9-month immunization visits were enrolled at 141 maternal and child health clinics throughout Kenya. Clinics were selected using population-proportion-to-size sampling with oversampling in a high human immunodeficiency virus (HIV) prevalence region...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28220714/is-maternal-education-a-social-vaccine-for-childhood-malaria-infection-a-cross-sectional-study-from-war-torn-democratic-republic-of-congo
#2
Cary Ma, Kasereka Masumbuko Claude, Zacharie Tsongo Kibendelwa, Hannah Brooks, Xiaonan Zheng, Michael Hawkes
In zones of violent conflict in the tropics, social disruption leads to elevated child mortality, of which malaria is the leading cause. Understanding the social determinants of malaria transmission may be helpful to optimize malaria control efforts. We conducted a cross-sectional study of healthy children aged 2 months to 5 years attending well-child and/or immunization visits in the Democratic Republic of Congo (DRC). Six hundred and forty-seven children were tested for malaria antigenemia by rapid diagnostic test and the accompanying parent or legal guardian simultaneously completed a survey questionnaire related to demographics, socioeconomic status, maternal education, as well as bednet use and recent febrile illness...
February 21, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28212643/vertical-hiv-transmission-in-perinatally-exposed-infants-in-south-rift-region-of-kenya-a-retrospective-cross-sectional-study
#3
Everline Ashiono, Dunstan Achwoka, Jamlick Mutugi, Joel Rakwar, Andrew Wafula, Otto Nzapfurundi Chabikuli
BACKGROUND: Despite proven efficacy of the prevention mother-to-child transmission of HIV strategy, its adoption in Africa has remained slow. In Kenya, its effectiveness remain unknown. The aim of this study was to assess the effectiveness of a prevention of mother-to-child transmission program in Kenya. METHODS: This retrospective cross-sectional study analyzed 2,642 records of HIV-exposed infants who had a deoxyribonucleic acid polymerase chain reaction test done...
February 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28212307/antiretroviral-treatment-in-hiv-1-positive-mothers-neurological-implications-in-virus-free-children
#4
REVIEW
Antonio Victor Campos Coelho, Paola Maura Tricarico, Fulvio Celsi, Sergio Crovella
Since the worldwide introduction of antiretroviral therapy (ART) in human immunodeficiency virus type 1, HIV-1-positive mothers, together with HIV-1 testing prior to pregnancy, caesarian birth and breastfeeding cessation with replacement feeding, a reduction of HIV-1 mother-to-child transmission (MTCT) has been observed in the last few years. As such, an increasing number of children are being exposed in utero to ART. Several questions have arisen concerning the neurological effects of ART exposure in utero, considering the potential effect of antiretroviral drugs on the central nervous system, a structure which is in continuous development in the fetus and characterized by great plasticity...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28209492/reproductive-considerations-in-the-setting-of-chronic-viral-illness
#5
REVIEW
Brent M Hanson, Jessie A Dorais
Special considerations must be taken when patients with human immunodeficiency virus (HIV), Hepatitis B, or Hepatitis C desire to achieve pregnancy. Patients with chronic viral illnesses desire children at rates similar to the general population, and options are available to decrease both vertical transmission and viral transmission between partners. Preconception counseling or consultation with fertility specialists is imperative in patients with HIV, Hepatitis B, and Hepatitis C so that reproductive goals can be addressed and optimized...
February 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28209187/perceptions-and-experiences-of-pregnant-women-about-routine-hiv-testing-and-counselling-in-ghimbi-town-ethiopia-a-qualitative-study
#6
Israel Mitiku, Adamu Addissie, Mitike Molla
BACKGROUND: Ethiopia has implemented routine HIV testing and counselling using a provider initiated HIV testing ('opt-out' approach) to achieve high coverage of testing and prevention of mother-to-child transmission of HIV. However, women's perceptions and experiences with this approach have not been well studied. We conducted a qualitative study to explore pregnant women's perceptions and experiences of routine HIV testing and counselling in Ghimbi town, Ethiopia, in May 2013. In-depth interviews were held with 28 women tested for HIV at antenatal clinics (ANC), as well as four health workers involved in routine HIV testing and counselling...
February 16, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28202762/maternal-binding-and-neutralizing-igg-responses-targeting-the-c-terminal-region-of-the-v3-loop-are-predictive-of-reduced-peripartum-hiv-1-transmission-risk
#7
David R Martinez, Nathan Vandergrift, Ayooluwa O Douglas, Erin McGuire, John Bainbridge, Nathan I Nicely, David C Montefiori, Georgia D Tomaras, Genevieve G Fouda, Sallie R Permar
The development of an effective maternal HIV-1 vaccine that could synergize with antiretroviral therapy (ART) to eliminate pediatric HIV-1 infection will require the characterization of maternal immune responses capable of blocking transmission of autologous HIV viruses to the infant. We previously identified that maternal plasma antibody binding to linear epitopes within the variable loop 3 (V3) region of HIV envelope (Env) and neutralizing responses against easy to neutralize tier 1 viruses were associated with reduced risk of peripartum HIV infection in the historic U...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28199373/prevalence-of-maternal-hiv-infection-and-knowledge-on-mother-to-child-transmission-of-hiv-and-its-prevention-among-antenatal-care-attendees-in-a-rural-area-in-northwest-cameroon
#8
Carlson-Babila Sama, Vitalis F Feteh, Maxime Tindong, John T Tanyi, Nestor Mbinkar Bihle, Fru F Angwafo
BACKGROUND: In 2010, an estimated 141 new HIV infections occurred per day in Cameroon and reports suggest an upsurge of these rates by 2020 if current trends continue. Mother-to-child transmission (MTCT) of HIV is a major public health challenge, and maternal knowledge on HIV transmission during pregnancy and its prevention is important in curtailing paediatric HIV acquisition. OBJECTIVES: We aimed at establishing the prevalence of maternal HIV infection as well as assessing knowledge on HIV, MTCT and prevention of MTCT (PMTCT) of HIV among pregnant women in a rural area of Cameroon...
2017: PloS One
https://www.readbyqxmd.com/read/28182610/pharmacokinetics-and-safety-of-darunavir-ritonavir-in-hiv-infected-pregnant-women
#9
Saye Khoo, Gilles Peytavin, David Burger, Andrew Hill, Kimberley Brown, Christiane Moecklinghoff, Charles La Porte, Maria Blanca Hadacek
The dosage of darunavir/ritonavir is 800/100 mg once daily for treatment-naive patients or treatment-experienced patients with no prior darunavir resistance associated mutations, and 600/100 mg twice daily for treatment-experienced patients with one or more darunavir resistance associated mutations. Results from the five available pharmacokinetic studies show reductions in total darunavir plasma concentrations of between 20-50% during the third trimester of pregnancy. The unbound darunavir concentrations have been measured only in subsets of patients in two of the five pharmacokinetic studies...
January 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28181860/factors-associated-with-mother-to-child-transmission-of-hiv-despite-overall-low-transmission-rates-in-hiv-exposed-infants-in-rural-kenya
#10
Nicollate A Okoko, Kevin O Owuor, Jayne L Kulzer, George O Owino, Irene A Ogolla, Ronald W Wandera, Elizabeth A Bukusi, Craig R Cohen, Lisa L Abuogi
Despite the availability of efficacious prevention of mother-to-child transmission (PMTCT) interventions and improved access to preventive services in many developing countries, vertical HIV transmission persists. A matched case-control study of HIV-exposed infants between January and June 2012 was conducted at 20 clinics in Kenya. Cases were HIV-infected infants and controls were exposed, uninfected infants. Conditional logistic regression analysis was conducted to determine characteristics associated with HIV infection...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28174911/uk-mother-to-child-hiv-transmission-rates-continue-to-decline-2012-2014
#11
Helen Peters, Kate Francis, Rebecca Sconza, Anna Horn, Catherine S Peckham, Pat A Tookey, Claire Thorne
No abstract text is available yet for this article.
February 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28173897/exclusive-breast-feeding-promotion-among-hiv-infected-women-in-south-africa-an-information-motivation-behavioural-skills-model-based-pilot-intervention
#12
Emily L Tuthill, Lisa M Butler, Jennifer A Pellowski, Jacqueline M McGrath, Regina M Cusson, Robert K Gable, Jeffrey D Fisher
OBJECTIVE: Exclusive breast-feeding (EBF) provides optimal nutrition for infants and mothers. The practice of EBF while adhering to antiretroviral medication decreases the risk of mother-to-child transmission of HIV from approximately 25 % to less than 5 %. Thus the WHO recommends EBF for the first 6 months among HIV-infected women living in resource-limited settings; however, EBF rates remain low. In the present study our aim was to design and implement a pilot intervention promoting EBF among HIV-infected women...
February 8, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28173741/elimination-of-mother-to-child-transmission-of-hiv-lessons-learned-from-success-in-thailand
#13
Usa Thisyakorn
In 1988, the generalised HIV/AIDS epidemic in Thailand began and in the same year the first HIV-exposed infant in Thailand was born at King Chulalongkorn Memorial Hospital, Bangkok. From the early to mid-1990s, an epidemic wave of HIV-infected women and infants occurred. Heterosexual HIV transmission, as described in the Asian Epidemic Model, was the major mode of spread in Thailand, causing an increasing number of HIV-infected pregnant women. The early and concerted multi-sectoral response of Thai society reduced the prevalence of HIV infection in pregnant women from 2% in the mid-1990s to 0...
February 8, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28164027/developmental-delay-and-behavioral-disorders-in-59-hiv-exposed-uninfected-infants
#14
Véronique Reliquet, Cécile Brunet-Cartier, Elise Launay, François Raffi
BACKGROUND: Antiretroviral therapy (ART) in HIV pregnant women has led to a dramatic decrease in the rate of HIV mother-to-child transmission but this benefit is counterbalanced with adverse effects related to in utero and neonatal exposure to ART. In 2013, some parents described neurodevelopmental disorders in their children. METHODS: A standardized letter was sent to the 133 women who delivered in Nantes hospital from 01/01/2003 to 31/12/2012 (167 births). RESULTS: Response rate was 33%...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28158882/missed-opportunities-for-preventing-perinatal-transmission-of-human-immunodeficiency-virus-florida-2007-2014
#15
Mary Jo Trepka, Soumyadeep Mukherjee, Consuelo Beck-Sagué, Lorene M Maddox, Kristopher P Fennie, Diana M Sheehan, Maithri Prabhakar, Dan Thompson, Spencer Lieb
OBJECTIVES: Despite declining numbers of perinatally exposed infants, an increase in perinatal human immunodeficiency virus (HIV) infections from 2011 to 2013 prompted this study to identify missed perinatal HIV prevention opportunities. METHODS: Deidentified records of children born from 2007 through 2014, exposed to HIV perinatally, and reported to the Florida Department of Health were obtained. Crude relative risks (RRs) and 95% confidence intervals (CIs) for factors associated with perinatal transmission, nondiagnosis of maternal HIV infection, and nonreceipt of antiretroviral medication were calculated...
February 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28155303/female-perspectives-of-male-partners-inclusion-in-the-prevention-of-mother-to-child-hiv-transmission-programme-in-kwazulu-natal
#16
Mondli Miya, Tennyson Mgutshini
BACKGROUND: The South African government intervened by implementing the prevention of mother-to-child transmission programme (PMTCT) to curb the HIV transmission from mother to child during and after pregnancy. The PMTCT programme has been at the forefront of global prevention efforts since 1998. Without treatment, the risk of transmission ranges from one in five to one in two newborns; however, the risk of mother-to-child transmission can be reduced to as low as 2%-5% with evidenced interventions...
December 7, 2016: Curationis
https://www.readbyqxmd.com/read/28151893/reproductive-history-before-and-after-hiv-diagnosis-a-cross-sectional-study-in-hiv-positive-women-in-spain
#17
Victoria Hernando, Belen Alejos, Marta Montero, MJesús Pérez-Elias, José Ramón Blanco, Livia Giner, Juan Luis Gómez-Sirvent, Jose Antonio Iribarren, Enrique Bernal, Francisco Bolumar
The aim of this study is to examine the reproductive history of human immunodeficiency virus (HIV)-positive women, before and after HIV diagnosis, to describe the characteristics of women with pregnancies after HIV diagnosis, and to assess the prevalence of mother-to-child transmission.A cross-sectional study was performed among women within reproductive ages (18-49) selected from the cohort in the Spanish AIDS Research Network (CoRIS). A descriptive analysis of the pregnancy outcomes was made according to women's serostatus at the moment of pregnancy and association of women's characteristics with having pregnancy after HIV diagnosis was evaluated using logistic regression models...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28151065/relative-mrna-expression-levels-of-restriction-factors-and-antiviral-genes-in-fetal-and-adult-human-monocytes-and-monocyte-derived-macrophages
#18
Karen Trang, Rui André Saraiva Raposo, Margaret M Lowe, Elisabeth R Krow-Lucal, Wes Yonemoto, Vinicius D Cabido, Devi SenGupta, Joseph M McCune
Among untreated HIV-infected pregnant women, the frequency of mother-to-child transmission of HIV is low (5-10%), with most infections occurring at or after birth. Given findings that fetal and adult monocytes are distinct from one another in terms of basal transcriptional profiles, and in phosphorylation of signal transducer and activators of transcription in response to cytokines, we hypothesized that fetal CD14+CD16- monocyte and monocyte-derived macrophages (MDMs) might, compared to their adult counterparts, express higher levels of transcripts for restriction factors and antiviral factors at baseline and/or after stimulation with cytokines that might be induced upon transmission of HIV in utero, for example, IFNα, IFNγ, and IL-6...
February 2, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28125026/time-to-consider-moving-beyond-exclusive-breastfeeding-in-southern-africa
#19
Janet M Wojcicki
While there have been considerable advances in the reduction of mother to child transmission of HIV (MTCT) in sub-Saharan Africa with the advance of anti-retroviral therapies (ART), there remain challenges in the late postpartum period.  Structural issues including food insecurity and stigma make better maternal ART adherence and exclusive breastfeeding unreachable for some women. There are no other scientifically researched feeding options as there have been few studies on different types of mixed feeding practices and risk of HIV infection...
January 24, 2017: Children
https://www.readbyqxmd.com/read/28122636/breast-milk-and-in-utero-transmission-of-hiv-1-select-for-envelope-variants-with-unique-molecular-signatures
#20
Kyle J Nakamura, Laura Heath, Edwin R Sobrera, Thomas A Wilkinson, Katherine Semrau, Chipepo Kankasa, Nicole H Tobin, Nicholas E Webb, Benhur Lee, Donald M Thea, Louise Kuhn, James I Mullins, Grace M Aldrovandi
BACKGROUND: Mother-to-child transmission of human immunodeficiency virus-type 1 (HIV-1) poses a serious health threat in developing countries, and adequate interventions are as yet unrealized. HIV-1 infection is frequently initiated by a single founder viral variant, but the factors that influence particular variant selection are poorly understood. RESULTS: Our analysis of 647 full-length HIV-1 subtype C and G viral envelope sequences from 22 mother-infant pairs reveals unique genotypic and phenotypic signatures that depend upon transmission route...
January 26, 2017: Retrovirology
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