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Magerko K, Humphrey J, Songok J, Musick B, Alera JM, Kipchumba B, Kosgei W, Mwangi W, Yang K, Wools-Kaloustian Z, McHenry MS. Impact of Maternal Viral Suppression on Growth Patterns for HIV-Exposed Uninfected Infants in Kenya. Int J MCH AIDS 2024; 13:e005. [PMID: 38742164 PMCID: PMC11090584 DOI: 10.25259/ijma_656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 11/29/2023] [Indexed: 05/16/2024] Open
Abstract
Background and Objective Children born to mothers living with human immunodeficiency virus (HIV) are at risk for poor health outcomes but data characterizing these associations are limited. Our objective was to determine the impact of maternal viral suppression on growth patterns and malnutrition for infants who are HIV-exposed but uninfected (HEU). Methods We conducted a retrospective cohort analysis of clinical data for infants who were HEU and their mothers (September 2015 - March 2019) in Kenya. Infants were stratified based on maternal viral suppression status (≥ or <1000 copies/mL); t-tests were used to compare groups. Growth indicators were evaluated with Chi-square, Fisher's exact, and area under the curve. Moderate-to-severe underweight status, stunting, and wasting were defined by weight-for-age (WFA), height-for-age (HFA), and weight-for-height (WFH), z-scores ≤2, and were used to define malnutrition. Multivariate logistic regression analyses were performed to evaluate potential associations with malnutrition indicators between WFH and HFA. Results Among 674 infants who were HEU, 48.7% were male and 85.0% had mothers who were virally suppressed. The median age at first and last clinic visits was 1.5 and 16.4 months, respectively. WFA and HFA z-scores over time differed by sex, and WFA and HFA differed based on maternal viral suppression (P < 0.05). Male infants had higher adjusted odds for stunted status, and as children aged, they had slightly increased odds of becoming underweight or stunted. Maternal viral suppression and timing of maternal antiretroviral therapy initiation in relation to the prevention of vertical transmission (PVT) enrollment did not significantly affect malnutrition indicators. Conclusion and Global Health Implications Maternal viral suppression status was not associated with increased odds of more severe malnutrition indicators in children who were HEU. However, overall growth patterns over time, measured by z-scores of growth indicators, did differ based on maternal viral suppression status, and to a lesser degree, by gender.
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Affiliation(s)
- Katherine Magerko
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - John Humphrey
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Julia Songok
- Department of Pediatrics, Moi University College of Health Sciences, School of Medicine, Eldoret, Kenya
| | - Beverly Musick
- Department of Biostatistics and Health Data Science, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Joy Marsha Alera
- Department of Academic Model Providing Access to Healthcare, Moi Teaching and Referral Hospital, Eldoret, Kenya
| | - Bett Kipchumba
- Department of Reproductive Health, Moi Teaching and Referral Hospital, Eldoret, Kenya
| | - Wycliffe Kosgei
- Department of Reproductive Health, Moi Teaching and Referral Hospital, Eldoret, Kenya
| | - Winfred Mwangi
- Department of Reproductive Health, Moi Teaching and Referral Hospital, Eldoret, Kenya
| | - Kara Yang
- Department of Biostatistics and Health Data Science, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Ziyi Wools-Kaloustian
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, United States
| | - Megan S. McHenry
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, United States
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Gong T, Zhong Y, Ding Y, Wu Q, Yao M, Yin J, Shao Y, Liu J. Growth and development of syphilis-exposed and -unexposed uninfected children during their first 18 months of life in Suzhou, China: a nested case-control study with propensity score matching. Front Public Health 2023; 11:1263324. [PMID: 38145074 PMCID: PMC10748380 DOI: 10.3389/fpubh.2023.1263324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 11/17/2023] [Indexed: 12/26/2023] Open
Abstract
Background With the successful implementation of Prevention of Mother-to-Child Transmission (PMTCT) policies, the proportion of infants with exposure to both syphilis and antibiotic medication in utero has increased in China, but there is limited evidence about the early growth and development of such infants. Methods We conducted a retrospective nested case-control study based on data from the China PMTCT program conducted in Suzhou from 2016 to 2021. Propensity score matching (PSM) was employed to extract 826 syphilis-exposed but uninfected (SEU) infants and 1,652 syphilis-unexposed uninfected (SUU) infants from a total of 712,653 infants. Maternal characteristics were collected through questionnaires, such as parity, age, education level, smoking and drinking habits during pregnancy. Infantile characteristics were retrieved from medical records or via questionnaires, such as gestational age, gender, mode of delivery, Apgar scores, birth weight and length, outdoor time, vitamin D intake, and feed pattern. Mixed effects models, adjusting for potential influencing factors, were used to investigate the early infantile growth pattern of SEU and SUU infants. All statistical analysis were conducted using R (version 4.2.0). Results Length and weight were slightly higher in SEU infants than in the SUU infants at some time points (months 0 and 18 for length, p-values <0.05; months 0, 6, and 18 for weight, p < 0.05). In the mixed effects model, SEU group was found to be associated with higher weight [exponentiated beta exp.(β) = 1.15, 95% Confidence Interval (CI) = 1.06, 1.25], length [exp(β) = 1.42, 95% CI = 1.14, 1.77], and BMI z-score [exp(β) = 1.09, 95% CI = 1.00, 1.19]. Conclusion With the effective prevention of congenital syphilis under the PMTCT program, SEU infants have non-inferior growth patterns during their first 18 months of life compared with SUU controls in Suzhou, China.
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Affiliation(s)
- Tian Gong
- Suzhou Maternal and Child Healthcare Center, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yi Zhong
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Yaling Ding
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Qianlan Wu
- Suzhou Maternal and Child Healthcare Center, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Mengxin Yao
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Jieyun Yin
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Yan Shao
- Suzhou Maternal and Child Healthcare Center, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Juning Liu
- Suzhou Maternal and Child Healthcare Center, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
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Nsibande DF, Magasana V, Zembe W, Kindra G, Mogashoa M, Goga A, Ramokolo V. Health facility users' knowledge, perceptions, and practices about infant feeding in the context of option B+ in South Africa: a qualitative study. Int Breastfeed J 2022; 17:89. [PMID: 36539742 PMCID: PMC9764699 DOI: 10.1186/s13006-022-00526-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND HIV and sub-optimal infant feeding practices remain important threats to child growth, development, and survival in low- and middle-income countries. To our knowledge, few studies have explored health service users' perspective of infant feeding in the context of WHO Option B+ policy to prevent vertical HIV transmission (PMTCT). This paper is a sub-analysis of qualitative data from a mixed-methods multi-level process evaluation of Option B+ implementation in South Africa (SA). In this study we explored health facility users' infant feeding knowledge, perceptions, and practices one year after SA adopted the 2016 updated World Health Organization prevention of mother-to-child transmission of HIV Option B+ infant feeding guidelines. METHODS Nineteen focus group discussions (FGDs) were held with six groups of men and women whose infants were aged < 6 months. Participants were attending randomly selected primary health care facilities within six purposively selected priority districts. The six groups included in the FGDs were: (i) adolescent girls and young women living with HIV (WHIV), (ii) adolescent girls and young women not living with HIV (WNHIV), (iii) older postnatal WHIV (iv) older postnatal WNHIV (v) pregnant women, and (vi) men. Data collection took place between April and December 2018. Data analysis involved coding and thematic framework analysis. RESULTS Women and men have suboptimal knowledge of the recommended breastfeeding duration and exclusive breastfeeding, especially for HIV-exposed infants. Most women received sub-optimal infant feeding counselling and mixed messages from health care workers. Fewer WHIV initiated breastfeeding at birth compared to WNHIV. Most parents believed that HIV-exposed infants should be breastfed for 6 months and many postnatal women on antiretroviral drugs and younger mothers lacked confidence to breastfeed beyond 6 months. Mixed feeding was predominant among all women due to individual, family, and socio-structural barriers. Many men were supportive on infant feeding; however, they lacked the appropriate information and skills to influence their partners' infant feeding decisions. CONCLUSIONS Differences in breastfeeding practices between WHIV and WNHIV are highly influenced by the lack of knowledge of infant feeding policy recommendations. Multiple-level factors deter many mothers from adhering to recommended guidelines. Appropriate ongoing infant feeding counselling and breastfeeding support are required for women and their partners.
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Affiliation(s)
- Duduzile Faith Nsibande
- grid.415021.30000 0000 9155 0024Health Systems Research Unit (HSRU), South African Medical Research Council (SAMRC), Cape Town, South Africa ,grid.415021.30000 0000 9155 0024HIV and other Infectious Diseases Research Unit (HIDRU), SAMRC, Cape Town, South Africa
| | - Vuyolwethu Magasana
- grid.415021.30000 0000 9155 0024Health Systems Research Unit (HSRU), South African Medical Research Council (SAMRC), Cape Town, South Africa ,grid.415021.30000 0000 9155 0024HIV and other Infectious Diseases Research Unit (HIDRU), SAMRC, Cape Town, South Africa
| | - Wanga Zembe
- grid.415021.30000 0000 9155 0024Health Systems Research Unit (HSRU), South African Medical Research Council (SAMRC), Cape Town, South Africa
| | - Gurpreet Kindra
- grid.513001.6United States Centers for Disease Control and Prevention, Pretoria, South Africa
| | - Mary Mogashoa
- grid.513001.6United States Centers for Disease Control and Prevention, Pretoria, South Africa
| | - Ameena Goga
- grid.415021.30000 0000 9155 0024Health Systems Research Unit (HSRU), South African Medical Research Council (SAMRC), Cape Town, South Africa ,grid.415021.30000 0000 9155 0024HIV and other Infectious Diseases Research Unit (HIDRU), SAMRC, Cape Town, South Africa ,grid.49697.350000 0001 2107 2298Department of Paediatrics and Child Health, University of Pretoria, Pretoria, South Africa
| | - Vundli Ramokolo
- grid.415021.30000 0000 9155 0024Health Systems Research Unit (HSRU), South African Medical Research Council (SAMRC), Cape Town, South Africa ,grid.415021.30000 0000 9155 0024HIV and other Infectious Diseases Research Unit (HIDRU), SAMRC, Cape Town, South Africa
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Nyofane M, Hoffman M, Mulol H, Botha T, Vannevel V, Pattinson R, Feucht U. Early Childhood Growth Parameters in South African Children with Exposure to Maternal HIV Infection and Placental Insufficiency. Viruses 2022; 14:v14122745. [PMID: 36560749 PMCID: PMC9782627 DOI: 10.3390/v14122745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/24/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022] Open
Abstract
Maternal HIV exposure and intrauterine growth restriction (IUGR) due to placental insufficiency both carry major risks to early child growth. We compared the growth outcomes of children aged 18 months who had abnormal umbilical artery resistance indices (UmA-RI), as a marker of placental insufficiency, with a comparator group of children with normal UmA-RI during pregnancy, as mediated by maternal HIV infection. The cross-sectional study included 271 children, grouped into four subgroups based on HIV exposure and history of normal/abnormal UmA-RI, using available pregnancy and birth information. Standard procedures were followed to collect anthropometric data, and z-scores computed as per World Health Organization growth standards. Lower length-for-age z-scores (LAZ) were observed in children who were HIV-exposed-uninfected (CHEU) (-0.71 ± 1.23; p = 0.004) and who had abnormal UmA-RI findings (-0.68 ± 1.53; p < 0.001). CHEU with abnormal UmA-RI had lower LAZ (-1.3 ± 1.3; p < 0.001) and weight-for-age z-scores (WAZ) (-0.64 ± 0.92; p = 0.014) compared to the control group. The prevalence of stunting was 40.0% in CHEU with abnormal UmA-RI and 16.0% in CHEU with normal UmA-RI (p < 0.001; p = 0.016, respectively). In conclusion, maternal HIV exposure and placental insufficiency are independent risk factors for childhood stunting, with this risk potentiated when these two risk factors overlap.
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Affiliation(s)
- Mothusi Nyofane
- Department of Consumer and Food Sciences, University of Pretoria, Pretoria 0002, South Africa
- Department of Nutrition, National University of Lesotho, Maseru 100, Lesotho
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
- Correspondence: ; Tel.: +266-5775-1718
| | - Marinel Hoffman
- Department of Consumer and Food Sciences, University of Pretoria, Pretoria 0002, South Africa
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
| | - Helen Mulol
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
- Department of Paediatrics, University of Pretoria, Pretoria 0002, South Africa
| | - Tanita Botha
- Department of Statistics, University of Pretoria, Pretoria 0002, South Africa
| | - Valerie Vannevel
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
- Department of Obstetrics and Gynaecology, University of Pretoria, Pretoria 0002, South Africa
| | - Robert Pattinson
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
- Department of Obstetrics and Gynaecology, University of Pretoria, Pretoria 0002, South Africa
| | - Ute Feucht
- Centre for Maternal, Fetal, Newborn and Child Health Care Strategies, University of Pretoria, Kalafong Provincial Tertiary Hospital, Pretoria 0001, South Africa
- Research Unit for Maternal and Infant Health Care Strategies, South African Medical Research Council, Pretoria 0001, South Africa
- Department of Paediatrics, University of Pretoria, Pretoria 0002, South Africa
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Toledo G, Landes M, van Lettow M, Tippett Barr BA, Bailey H, Crichton S, Msungama W, Thorne C. Risk factors for stunting in children who are HIV-exposed and uninfected after Option B+ implementation in Malawi. MATERNAL & CHILD NUTRITION 2022; 19:e13451. [PMID: 36349962 PMCID: PMC9749602 DOI: 10.1111/mcn.13451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 11/10/2022]
Abstract
Evidence suggests children HIV-exposed and uninfected (CHEU) experience poor growth. We analysed child anthropometrics and explored factors associated with stunting among Malawian CHEU. Mothers with HIV and their infants HIV-exposed were enroled in a nationally representative prospective cohort within the National Evaluation of Malawi's Prevention of Mother-to-Child HIV Transmission Programme after Option B+ implementation (2014-2018). Anthropometry was measured at enrolment (age 1-6 months), visit 1 (approximately 12 months), and visit 2 (approximately 24 months). Weight-for-age (WAZ) and length-for-age (LAZ) z-scores were calculated using World Health Organization Growth Standards; underweight and stunting were defined as WAZ and LAZ more than 2 standard deviations below the reference median. Multivariable logistic regression restricted to CHEU aged 24 months (±3 months) was used to identify factors associated with stunting. Among 1211 CHEU, 562/1211 attended visit 2, of which 529 were aged 24 months (±3 months) and were included. At age 24 months, 40.4% of CHEU were stunted and/or underweight, respectively. In multi-variable analysis, adjusting for child age and sex, the odds of stunting were higher among CHEU with infectious disease diagnosis compared to those with no diagnosis (adjusted odds ratio = 3.35 [95% confidence interval: 1.82-6.17]), which was modified by co-trimoxazole prophylaxis (p = 0.028). Infant low birthweight was associated with an increased odds of stunting; optimal feeding and maternal employment were correlated with reduced odds. This is one of the first studies examining CHEU growth since Option B+. Interventions to improve linear growth among CHEU should address their multi-faceted health risks, alongside maternal ART prescription, and follow-up of mother-child pairs.
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Affiliation(s)
- Gabriela Toledo
- Population, Policy, and Practice Research & Teaching Department, Great Ormond Street Institute of Child HealthUniversity College LondonLondonUK
| | - Megan Landes
- Department of Family and Community MedicineUniversity of TorontoTorontoOntarioCanada,Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | - Monique van Lettow
- Dalla Lana School of Public HealthUniversity of TorontoTorontoOntarioCanada
| | | | - Heather Bailey
- Institute for Global Health, University College LondonLondonUK
| | - Siobhan Crichton
- Medical Research Council Clinical Trials UnitUniversity College LondonLondonUK
| | - Wezi Msungama
- Division of Global HIV and TuberculosisCenters for Disease Control and PreventionLilongweMalawi
| | - Claire Thorne
- Population, Policy, and Practice Research & Teaching Department, Great Ormond Street Institute of Child HealthUniversity College LondonLondonUK
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Mapatha LA, Nakwa FL, Mokhachane M. A comparison of weight gain between HIV exposed uninfected and HIV unexposed uninfected infants who received KMC at Chris Hani Baragwanath Academic Hospital. Front Pediatr 2022; 10:933968. [PMID: 36160783 PMCID: PMC9490005 DOI: 10.3389/fped.2022.933968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Kangaroo Mother Care (KMC) has been associated with improved growth in low birthweight infants and reduction in hypothermia, hypoglycaemia, apnoeas, sepsis, hospital stay, and mortality. The growth of HIV-infected children is poorer than those who are HIV-uninfected. There is paucity of data on weight gain in the HIV-exposed uninfected (HEU) infants compared to HIV-unexposed uninfected (HUU) infants receiving KMC. AIM This study compared the weight gain of HEU and infants HUU from admission to the KMC ward until 12 months corrected age (CA) follow-up visit. METHODS Retrospective record review of the neonates admitted in KMC at Chris Hani Baragwanath Hospital over a 2-year period (2012-2013). The weight gain was assessed via weight velocity using the formula; weight/kg/day from admission to KMC to discharge, and g/ week at term, 3, 6 and 9- and 12-months (CA). The demographics were collected and analyzed using Statistica. RESULTS Seventy-seven (129/166) percent of the mothers were HIV negative. HIV negative mothers were younger (25.9 vs. 31.6 years; p = 0.000) and had fewer pregnancies (p = 0.02). There was no difference between the gestational age (30.3 ± 2.53 vs. 30.8 ± 2.88 weeks; p = 0.35) and birthweight (1,345 g ± 234 vs. 1,314 g ± 209; p = 0.47) between HEU and HUU. There were no differences in the weight gain (23.83 g ± 12.2 vs. 23.22 g ± 15.2; p = 0.83) in KMC. There was no differences in weight gain at the different follow-up time points between the two groups. CONCLUSION Both HEU and HUU groups of infants showed reasonable weight gain despite maternal HIV status.
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Affiliation(s)
- Leshata Abigail Mapatha
- Department of Paediatrics and Child Health, Chris Hani Baragwanath Academic Hospital, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Firdose Lambey Nakwa
- Department of Paediatrics and Child Health, Chris Hani Baragwanath Academic Hospital, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mantoa Mokhachane
- Unit for Undergraduate Medical Education (UUME), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Poku OB, Ho-Foster AR, Entaile P, Misra S, Mehta H, Rampa S, Goodman M, Arscott-Mills T, Eschliman E, Jackson V, Melese T, Becker TD, Eisenberg M, Link B, Go V, Opondo PR, Blank MB, Yang LH. 'Mothers moving towards empowerment' intervention to reduce stigma and improve treatment adherence in pregnant women living with HIV in Botswana: study protocol for a pragmatic clinical trial. Trials 2020; 21:832. [PMID: 33028387 PMCID: PMC7542742 DOI: 10.1186/s13063-020-04676-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/12/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND With high rates of HIV and multiple vulnerable subgroups across diverse settings, there is a need for culturally based, HIV stigma reduction interventions. Pregnant women who are living with HIV are especially in need of services to protect not only their own but also their children's lives. Uptake of HIV services worldwide is hindered by stigma towards persons living with HIV/AIDS. While cultural context plays a key role in shaping HIV stigma, these insights have not yet been fully integrated into stigma reduction strategies. By utilizing the "What Matters Most" stigma framework, we propose that an intervention to counter culturally salient aspects of HIV stigma will improve treatment adherence and other relevant outcomes. A pragmatic clinical trial in Botswana will evaluate the "Mothers Moving towards Empowerment" (MME) intervention, which seeks to address HIV stigma in Botswana and to specifically engage pregnant mothers so as to promote antiretroviral therapy (ART) adherence in the postpartum period. METHODS This study will test MME against treatment as usual (TAU) among pregnant mothers diagnosed with HIV and their infants. Outcomes will be assessed during pregnancy and 16 weeks postpartum. Women who meet eligibility criteria are assigned to MME or TAU. Women assigned to MME are grouped with others with similar estimated delivery dates, completing up to eight intervention group sessions scheduled before week 36 of their pregnancies. Primary outcomes among mothers include (i) reducing self-stigma, which is hypothesized to mediate improvements in (ii) psychological outcomes (quality of life, depression and social functioning), and (iii) adherence to antenatal care and ART. We will also examine a set of follow-up infant birth outcomes (APGAR score, preterm delivery, mortality (at < 16 weeks), birth weight, vaccination record, and HIV status). DISCUSSION Our trial will evaluate MME, a culturally based HIV stigma reduction intervention using the "What Matters Most" framework, to reduce stigma and improve treatment adherence among pregnant women and their infants. This study will help inform further refinement of MME and preparation for a future large-scale, multisite, randomized controlled trial (RCT) in Botswana. TRIAL REGISTRATION ClinicalTrials.gov NCT03698981 . Registered on October 8, 2018.
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Affiliation(s)
- Ohemaa B Poku
- Johns Hopkins University, Baltimore, MD, United States.
| | - Ari R Ho-Foster
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- University of Botswana, Gaborone, Botswana
| | | | | | | | | | | | - Tonya Arscott-Mills
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- University of Botswana, Gaborone, Botswana
| | | | - Valerie Jackson
- University of California San Francisco, San Francisco, CA, United States
| | | | - Timothy D Becker
- Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | | | - Bruce Link
- University of California Riverside, Riverside, CA, USA
| | - Vivian Go
- University of North Carolina at Chapel Hill, Chapel Hil, NC, USA
| | | | | | - Lawrence H Yang
- New York University, New York, NY, United States
- Columbia University Mailman School of Public Health, New York, NY, USA
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Duri K, Gumbo FZ, Munjoma PT, Chandiwana P, Mhandire K, Ziruma A, Macpherson A, Rusakaniko S, Gomo E, Misselwitz B, Mazengera LR. The University of Zimbabwe College of Health Sciences (UZ-CHS) BIRTH COHORT study: rationale, design and methods. BMC Infect Dis 2020; 20:725. [PMID: 33008316 PMCID: PMC7532096 DOI: 10.1186/s12879-020-05432-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 09/21/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Commencing lifelong antiretroviral therapy (ART) immediately following HIV diagnosis (Option B+), has greatly improved maternal-infant health. Thus, large and increasing numbers of HIV-infected women are on ART during pregnancy, a situation concurrently increasing numbers of HIV-exposed-uninfected (HEU) infants. Compared to their HIV-unexposed-uninfected (HUU) counterparts, HEU infants show higher rates of adverse birth outcomes, mortality, infectious/non-communicable diseases including impaired growth and neurocognitive development. There is an urgent need to understand the impact of HIV and early life ART exposures, immune-metabolic dysregulation, comorbidities and environmental confounders on adverse paediatric outcomes. METHODS Six hundred (600) HIV-infected and 600 HIV-uninfected pregnant women ≥20 weeks of gestation will be enrolled from four primary health centres in high density residential areas of Harare. Participants will be followed up as mother-infant-pairs at delivery, week(s) 1, 6, 10, 14, 24, 36, 48, 72 and 96 after birth. Clinical, socio-economic, nutritional and environmental data will be assessed for adverse birth outcomes, impaired growth, immune/neurodevelopment, vertical transmission of HIV, hepatitis-B/C viruses, cytomegalovirus and syphilis. Maternal urine, stool, plasma, cord blood, amniotic fluid, placenta and milk including infant plasma, dried blood spot and stool will be collected at enrolment and follow-up visits. The composite primary endpoint is stillbirth and infant mortality within the first two years of life in HEU versus HUU infants. Maternal mortality in HIV-infected versus -uninfected women is another primary outcome. Secondary endpoints include a range of maternal and infant outcomes. Sub-studies will address maternal stress and malnutrition, maternal-infant latent tuberculosis, Helicobacter pylori infections, immune-metabolomic dysregulation including gut, breast milk and amniotic fluid dysbiosis. DISCUSSION The University of Zimbabwe-College of Health-Sciences-Birth-Cohort study will provide a comprehensive assessment of risk factors and biomarkers for HEU infants' adverse outcomes. This will ultimately help developing strategies to mitigate effects of maternal HIV, early-life ART exposures and comorbidities on infants' mortality and morbidity. TRIAL REGISTRATION ClinicalTrial.gov Identifier: NCT04087239 . Registered 12 September 2019.
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Affiliation(s)
- Kerina Duri
- Department of Immunology, University of Zimbabwe College of Health Sciences (UZ-CHS), P.O. Box A178 Avondale, Harare, Zimbabwe.
| | - Felicity Z Gumbo
- Department of Paediatrics and Child Health, UZ-CHS, Harare, Zimbabwe
| | - Privilege T Munjoma
- Department of Immunology, University of Zimbabwe College of Health Sciences (UZ-CHS), P.O. Box A178 Avondale, Harare, Zimbabwe
| | | | | | - Asaph Ziruma
- Department of Obstetrics and Gynaecology, UZ-CHS, Harare, Zimbabwe
| | - Andrew Macpherson
- Clinic for Visceral Surgery and Medicine, Inselspital Bern and Bern University, Bern, Switzerland
| | | | - Exnevia Gomo
- UZ-CHS Research Support Centre, UZ-CHS, Harare, Zimbabwe
- Department of Medical Laboratory Sciences, UZ-CHS, Harare, Zimbabwe
| | - Benjamin Misselwitz
- Clinic for Visceral Surgery and Medicine, Inselspital Bern and Bern University, Bern, Switzerland
| | - Lovemore Ronald Mazengera
- Department of Immunology, University of Zimbabwe College of Health Sciences (UZ-CHS), P.O. Box A178 Avondale, Harare, Zimbabwe
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9
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Abstract
Although programmes to reduce vertical transmission of HIV mean fewer children are acquiring HIV, more needs to be done to understand the longer term outcomes of exposure, say Vundli Ramokolo and colleagues
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Affiliation(s)
- Vundli Ramokolo
- Health Systems Research Unit, South African Medical Research Council, South Africa
| | - Ameena E Goga
- Health Systems Research Unit, South African Medical Research Council, South Africa
- Department of Paediatrics, University of Pretoria, South Africa
- HIV Prevention Research Unit, South African Medical Research Council, South Africa
| | - Amy L Slogrove
- Department of Paediatrics and Child Health and Ukwanda Centre for Rural Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Worcester, South Africa
| | - Kathleen M Powis
- Massachusetts General Hospital, Departments of Medicine and Pediatrics, USA
- Harvard T H Chan School of Public Health, Department of Immunology and Infectious Diseases, USA
- Botswana Harvard AIDS Institute Partnership, Gaborone, Botswana
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Wambura JN, Marnane B. Undernutrition of HEU infants in their first 1000 days of life: A case in the urban-low resource setting of Mukuru Slum, Nairobi, Kenya. Heliyon 2019; 5:e02073. [PMID: 31372539 PMCID: PMC6658733 DOI: 10.1016/j.heliyon.2019.e02073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/17/2019] [Accepted: 07/08/2019] [Indexed: 11/21/2022] Open
Abstract
Background According to the Lancet, the successful chemoprophylaxis and the introduction of lifelong antiretroviral therapy programs to eliminate mother to child transmission of HIV has promoted the rise in number of HIV exposed uninfected (HEU) infants. In resource limited settings, these infants are at an increased risk of undernutrition due to risk factors such as low birth weight, food insecurity, household composition, income and improper feeding patterns. As several other studies have suggested, the risk factors vary from one setting to another. This paper delved into reviewing the predisposing undernutrition factors in relation to HIV exposure among infants within the low resource urban setting of Mukuru Slum, in Nairobi, Kenya. Methods A retrospective cohort study was performed on 160 mother/guardian-child pairs in Mukuru Slum, Nairobi, Kenya. Growth charts of the HIV exposed uninfected infants were studied against a control group of HIV unexposed uninfected infants (HUU). Interviews to collect information on socio economic status, household composition, HIV exposure, infant feeding practices and food insecurity related challenges were done. Data was analyzed using IBM SPSS version 20 and WHO anthroplus software. Descriptive statistics as well as Chi square, t-tests and multivariate analysis was done. Results Stunting among the HIV exposed uninfected infants was the most common form of undernutrition. 38.9% of the HEU infants were severely stunted (LFAZ), while 5.6% of them were severely wasted (WFLZ), while 24.4% of them were severely underweight. The mean birth weights of the HEU infants (2.953kg) was lower than the HUU (3.195kg). HIV exposure was associated with lower Weight for Length Z score (WFLZ), Weight for Age Z score (WFAZ), Length for Age Z score (LFAZ), BMI for Age Z score (BAZ) and Middle Upper Arm Circumference Z score (MUACZ) (p<0.001). HEU infants were more likely to live in households with lesser number of adults (p=0.016) and higher number of children (p<0.001) as compared to the HUU. Although exclusive breastfeeding was upheld among all infants, the HEU were more likely to rely on Food by Prescription supplements (p<0.001) to meet their daily energy needs. Households with HEU infants were, however, less likely to receive food (p=0.041). Overall the largest effect sizes on undernutrition of all infants was found to be affected by the age of children (ηp2=0.439; p<0.001), sex (ηp2=0.135; p=0.001), HIV exposure (ηp2=0.351; p<0.001) and food aid (ηp2=0.083; p=0.021). Conclusion This study concluded that, HIV exposed uninfected infants in Mukuru were faced with a high undernutrition risk that was associated with HIV exposure, household composition, food aid and use of food by prescription supplements. These factors provide an insight when managing undernutrition among such infants in other resource limited settings. This study recommends future operational studies to inform HIV programs on exact ways to eliminate undernutrition among the rising number of HEU infants.
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Affiliation(s)
- Jane Nduta Wambura
- Universidade do Porto, Faculdade de Ciências da Nutrição e Alimentação da Universidade do Porto, Portugal.,Mater Hospital Kenya, Comprehensive Care Clinic Nutrition Division, Nairobi, Kenya
| | - Brigid Marnane
- Mater Hospital Kenya, Comprehensive Care Clinic Nutrition Division, Nairobi, Kenya
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11
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Chen JC, Zhang Y, Rongkavilit C, Wang B, Huang XM, Nong Z, Liu J, Zeng D, McGrath E. Growth of HIV-Exposed Infants in Southwest China: A Comparative Study. Glob Pediatr Health 2019; 6:2333794X19854964. [PMID: 31236432 PMCID: PMC6572890 DOI: 10.1177/2333794x19854964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/02/2019] [Accepted: 05/10/2019] [Indexed: 11/25/2022] Open
Abstract
Objectives. Prevention of mother-to-child HIV transmission has been globally successful leading to a decline in HIV-infected infants. Thus, the number of HIV-exposed, but uninfected, infants is increasing. As growth is an important indicator of child health, this study aimed to evaluate growth parameters of HIV-exposed Chinese infants. Methods. A prospective study was conducted among HIV-exposed (HIV-infected and uninfected) infants born during 2007 to 2015 in Liuzhou, China. Their weight and length were assessed longitudinally from birth to 18 months of age and compared with HIV-unexposed, uninfected (HUU) infants from the same region. Results. There were 467 HIV-exposed infants. Four percent of infants were HIV-infected. The mean weight-for-age (WAZ) and length-for-age (LAZ) z scores of HIV-infected infants were significantly lower than those of HIV-exposed but uninfected (HEU) infants during 9 to 18 months and 12 to 18 months of age, respectively. Additionally, the mean WAZ and LAZ scores of HIV-infected infants were significantly lower than HUU infants during the first 12 months and 18 months of life, respectively. The mean WAZ and LAZ scores of HEU infants were significantly lower than HUU infants during the first 12 months and 6 months of life, respectively. HEU infants also had a lower mean weight-for-length z score than HUU infants during the first 6 months. Conclusion. We demonstrated poor growth among HIV-exposed Chinese infants, including HIV-uninfected, compared with HUU infants. The results emphasize the need for nutritional monitoring and interventions for HIV-exposed infants regardless of HIV infection status. Research is needed on long-term growth trajectories and factors affecting growth of HIV-exposed infants in China.
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Affiliation(s)
- Ji-Chang Chen
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
| | - Yu Zhang
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
| | | | - Bo Wang
- University of Massachusetts System, Boston, MA, USA
| | - Xue-Mei Huang
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
| | - Zheng Nong
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
| | - Jing Liu
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
| | - Dingyuan Zeng
- Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, China
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12
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Growth in syphilis-exposed and -unexposed uninfected children from birth to 18 months of age in China: a longitudinal study. Sci Rep 2019; 9:4416. [PMID: 30867463 PMCID: PMC6416265 DOI: 10.1038/s41598-019-40134-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 01/30/2019] [Indexed: 11/09/2022] Open
Abstract
Early infant growth and development has attracted worldwide attention. Although numerous studies have demonstrated that maternal syphilis increases the risk of adverse pregnancy outcomes and congenital syphilis, the subsequent growth pattern and morbidity of syphilis-exposed uninfected infants are less understood. We conducted a longitudinal study to compare the growth pattern and disease distribution of syphilis-exposed and syphilis-unexposed uninfected children, and World Health Organization (WHO) reference standards from birth to 18 months of age. We obtained data from a prospective cohort study in three representative regions of Zhejiang Province in China. A total of 333 syphilis-uninfected children born to women with syphilis were recruited at birth and matched with 333 syphilis-uninfected children born to women without syphilis during pregnancy. Children were followed-up by medical staff every 3 months until 18 months of age. The mixed-effects model was used to compare changes in growth patterns and influencing factors between the two groups. Mean weight, length, and head circumference of children, as well as disease prevalence, were similar between the groups. Multilevel analysis indicated that, after controlling confounders, growth velocities were comparable in both weight and length measures from birth to 18 months old between the two groups; however, low birth weight had a negative impact on weight gain in both groups. There was no significant negative association between syphilis exposure and early growth and health in children, under 18 months in a setting with universal coverage of therapeutic interventions for maternal syphilis. These findings may contribute to improving prevention efforts for mother-to-child transmission of syphilis, such as early screening for syphilis in pregnant women, universal coverage of treatment, and interventions for exposed children. Children with low birth weight should be given priority as this is a risk factor for weight gain.
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13
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Abstract
BACKGROUND HIV-exposed but uninfected (HEU) children may be at an increased risk of impaired growth when compared with their HIV-unexposed and uninfected (HUU) counterparts. We compared the growth patterns of HEU to HUU children in Nigeria. METHODS Pregnant women with and without HIV infection were enrolled at the Plateau State Specialist Hospital, Jos, Nigeria. Infants born to these mothers were recruited at birth and the mother-infant pairs followed up for 18 months. Weight, length and head circumference of the infants were measured at each visit. Age- and sex-standardized Z scores were generated for each anthropometric measure using the World Health Organization Child Growth Standards. Children with length-for-age, weight-for-age and weight-for-length Z scores <-2 were classified as stunted, underweight and wasted, respectively. RESULTS Of 415 children (307 HEU and 108 HUU) recruited for this study, 117 (28.4%), 9 (2.2%) and 32 (7.8%) infants were stunted, underweight and wasted, respectively, at birth. In a multivariable longitudinal analysis, the odds of stunting were higher among HEU as compared with HUU children [adjusted odds ratio: 2.4 (95% confidence interval: 1.4-4.1)]. Similarly, odds of being underweight were higher among the HEU children [adjusted odds ratio: 1.6 (95% confidence interval: 1.1-2.2)]. CONCLUSIONS Linear and ponderal growth were more impaired among HEU as compared with HUU children in Nigeria during the first 18 months of life. Further studies are needed to explore the causal basis for these differences.
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le Roux SM, Abrams EJ, Donald KA, Brittain K, Phillips TK, Nguyen KK, Zerbe A, Kroon M, Myer L. Growth trajectories of breastfed HIV-exposed uninfected and HIV-unexposed children under conditions of universal maternal antiretroviral therapy: a prospective study. THE LANCET CHILD & ADOLESCENT HEALTH 2019; 3:234-244. [PMID: 30773459 DOI: 10.1016/s2352-4642(19)30007-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND Over 1 million HIV-exposed uninfected (HEU) children are born in sub-Saharan Africa annually. Little data exist on the risk of impaired growth in this population under current policies of universal maternal antiretroviral therapy (ART) with breastfeeding. We aimed to study the growth of breastfed HEU children born to women who initiated ART during pregnancy and compare their growth with that of breastfed HIV-unexposed (HU) children drawn from the same community. METHODS A prospective cohort of HIV-uninfected and HIV-infected pregnant women, who were initiating ART, were enrolled at their first antenatal care visit in a primary care centre in Gugulethu, Cape Town, South Africa. HIV infected women were participants of the Maternal Child Health Antiretroviral Therapy (MCH-ART) study, and HIV-uninfected pregnant women were participants in the HIV-Unexposed-Uninfected (HU2) study. All women were followed up during pregnancy, through delivery, to the early postnatal visit, which was scheduled for the first week after birth. At this visit, eligible breastfeeding mother-child pairs were recruited for continuation of postnatal follow-up until approximately age 12 months. Child anthropometry was measured at around 6 weeks, and every 3 months from month 3 to month 12. Weight-for-age (WAZ), length-for-age (LAZ), weight-for-length (WLZ), head circumference-for-age, and body-mass index-for-age Z scores were compared between HEU and HU children longitudinally using mixed effects linear regression. At 12 months, proportions of HEU and HU children with moderate or severe malnutrition were compared cross-sectionally using logistic regression. MCH-ART is registered with ClinicalTrials.gov, number NCT01933477. FINDINGS Between June, 2013, and April, 2016, 884 breastfeeding mothers and their newborn babies (HEU, n=471; HU, n=413) were enrolled into postnatal follow-up. Excluding 12 children who tested HIV positive during follow-up, 461 HEU and 411 HU children attended 4511 study visits in total, with a median of 6 visits (IQR 5-6) per child. Birth characteristics were similar (overall, 94 [11%] of 872 preterm [<37 weeks] and 90 [10%] small-for-gestational age [birthweight <10th percentile]). Median duration of breastfeeding was shorter among HEU than HU children (3·9 months [IQR 1·4-12·0] vs 9·0 months [IQR 3·0-12·0]). Although WAZ scores increased over time in both groups, HEU children had consistently lower mean WAZ scores than HU children (overall β -0·34, 95% CI -0·47 to -0·21). LAZ scores decreased in both groups after 9 months. At 12 months, HEU children had lower mean LAZ scores than HU children (β -0·43, -0·61 to -0·25), with a higher proportion of children stunted (LAZ score <-2: 35 [10%] of 342 HEU vs 14 [4%] of 342 HU children; odds ratio [OR] 2·67, 95% CI 1·41 to 5·06). Simultaneously, overweight (WLZ score >2) was common in both groups of children at 12 months (54 [16%] of 342 HEU vs 60 [18%] of 340 HU children; OR 0·87, 95% CI 0·58 to 1·31). INTERPRETATION Compared with HU children, HEU children have small deficits in early growth trajectories under policies of universal maternal ART and breastfeeding. Large proportions of both HEU and HU children were overweight by 12 months, indicating substantial risks for early onset obesity among South African children. Although the longer-term metabolic effects of ART exposure in the context of childhood obesity warrants further investigation, addressing childhood obesity should be an urgent public health priority in this setting. FUNDING Eunice Kennedy Shriver National Institute of Child Health and Human Development, Elizabeth Glaser Pediatric AIDS Foundation, South African Medical Research Council, and the Fogarty Foundation.
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Affiliation(s)
- Stanzi M le Roux
- Division of Epidemiology and Biostatistics, University of Cape Town, Cape Town, South Africa.
| | - Elaine J Abrams
- ICAP at Columbia University, Mailman School of Public Health, Columbia University, New York, NY, USA; Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Kirsten A Donald
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa; Neuroscience Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Division of Developmental Paediatrics, Red Cross War Memorial Children's Hospital, Cape Town, South Africa
| | - Kirsty Brittain
- Division of Epidemiology and Biostatistics, University of Cape Town, Cape Town, South Africa; Centre for Infectious Disease Epidemiology and Research (CIDER), School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Tamsin K Phillips
- Division of Epidemiology and Biostatistics, University of Cape Town, Cape Town, South Africa; Centre for Infectious Disease Epidemiology and Research (CIDER), School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Kelly K Nguyen
- Division of Epidemiology and Biostatistics, University of Cape Town, Cape Town, South Africa
| | - Allison Zerbe
- ICAP at Columbia University, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Max Kroon
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa; Neonatal Medicine, University of Cape Town and Mowbray Maternity Hospital, Cape Town, South Africa
| | - Landon Myer
- Division of Epidemiology and Biostatistics, University of Cape Town, Cape Town, South Africa; Centre for Infectious Disease Epidemiology and Research (CIDER), School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
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15
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König Walles J, Balcha TT, Winqvist N, Björkman P. Growth pattern in Ethiopian infants - the impact of exposure to maternal HIV infection in relation to socio-economic factors. Glob Health Action 2018; 10:1296726. [PMID: 28470110 PMCID: PMC5496093 DOI: 10.1080/16549716.2017.1296726] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: Infants exposed to maternal HIV infection who remain HIV-uninfected (HIV-exposed/uninfected; HIV-EU) may be at increased risk of growth retardation, which could be due both to directly HIV-related effects and to socio-economic factors overrepresented among HIV-positive women. Objective: To investigate growth development at 9–12 months of age in HIV-EU infants participating in prevention of mother-to-child transmission (PMTCT) care compared to HIV unexposed (HIV-U) infants in relation to socio-economic conditions. Methods: Anthropometric and socio-economic data were collected retrospectively from PMTCT registers (for HIV-EU infants), with HIV-U controls recruited at measles vaccination at public health facilities in Ethiopia. Growth was compared with regard to HIV exposure and socio-economic variables in multivariate regression analysis. Results: The following growth measurements were found for 302 HIV-EU and 358 HIV-U infants at 9–12 months of age, respectively: mean weight-for-age z-score (WAZ) 0.04 and −0.21, p < 0.001 (proportion underweight 5.7% and 6.7%, p = 0.60); median length-for-age z-score (LAZ) −0.92 and −0.91, p = 0.53 (proportion stunted 25.1% and 20.5%, p = 0.17). In multivariate analysis, lower WAZ was associated with male sex (p = 0.021), lower maternal education (p < 0.001), presence of siblings (p < 0.01) and HIV-U (p < 0.01). Underweight was associated with male sex (p = 0.017) and absence of maternal education (p = 0.019). Lower LAZ was associated with male sex (p < 0.001), presence of siblings (p < 0.001) and poor maternal education (p < 0.01), while stunting was associated with male sex (p < 0.001), presence of siblings (p < 0.001), few rooms in the home (p < 0.01), access to running water (p = 0.026) and low level of maternal education (p = 0.014). Conclusions: At 9–12 months of age, HIV-EU infants had non-inferior growth and higher mean WAZ than HIV-U controls. Poor growth development was associated with socio-economic factors. This suggests health benefits from PMTCT participation for infant growth. Similar interventions could be considered for Ethiopian infants, irrespective of HIV exposure, with a particular focus on children with poor socio-economic status.
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Affiliation(s)
- John König Walles
- a Department of Translational Medicine, Section for Infectious Diseases , Lund University , Malmö , Sweden.,b Department of Infectious Diseases , Central Hospital , Kristianstad , Sweden
| | - Taye Tolera Balcha
- a Department of Translational Medicine, Section for Infectious Diseases , Lund University , Malmö , Sweden.,c Armauer Hansen Research Institute , Addis Ababa , Ethiopia
| | - Niclas Winqvist
- a Department of Translational Medicine, Section for Infectious Diseases , Lund University , Malmö , Sweden.,d Skåne Regional Office for Infectious Disease Control and Prevention , Malmö , Sweden
| | - Per Björkman
- a Department of Translational Medicine, Section for Infectious Diseases , Lund University , Malmö , Sweden
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Said-Mohamed R, Pettifor JM, Norris SA. Life History theory hypotheses on child growth: Potential implications for short and long-term child growth, development and health. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 165:4-19. [PMID: 29072305 DOI: 10.1002/ajpa.23340] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/27/2017] [Accepted: 10/01/2017] [Indexed: 12/12/2022]
Abstract
Life history theory integrates ecological, physiological, and molecular layers within an evolutionary framework to understand organisms' strategies to optimize survival and reproduction. Two life history hypotheses and their implications for child growth, development, and health (illustrated in the South African context) are reviewed here. One hypothesis suggests that there is an energy trade-off between linear growth and brain growth. Undernutrition in infancy and childhood may trigger adaptive physiological mechanisms prioritizing the brain at the expense of body growth. Another hypothesis is that the period from conception to infancy is a critical window of developmental plasticity of linear growth, the duration of which may vary between and within populations. The transition from infancy to childhood may mark the end of a critical window of opportunity for improving child growth. Both hypotheses emphasize the developmental plasticity of linear growth and the potential determinants of growth variability (including the role of parent-offspring conflict in maternal resources allocation). Implications of these hypotheses in populations with high burdens of undernutrition and infections are discussed. In South Africa, HIV/AIDS during pregnancy (associated with adverse birth outcomes, short duration of breastfeeding, and social consequences) may lead to a shortened window of developmental plasticity of growth. Furthermore, undernutrition and infectious diseases in children living in South Africa, a country undergoing a rapid nutrition transition, may have adverse consequences on individuals' cognitive abilities and risks of cardio-metabolic diseases. Studies are needed to identify physiological mechanisms underlying energy allocation between biological functions and their potential impacts on health.
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Affiliation(s)
- Rihlat Said-Mohamed
- Department of Paediatrics and Child Health, MRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, Gauteng 2193, South Africa
| | - John M Pettifor
- Department of Paediatrics and Child Health, MRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, Gauteng 2193, South Africa
| | - Shane A Norris
- Department of Paediatrics and Child Health, MRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, Gauteng 2193, South Africa
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Ramokolo V, Goga AE, Lombard C, Doherty T, Jackson DJ, Engebretsen IMS. In Utero ART Exposure and Birth and Early Growth Outcomes Among HIV-Exposed Uninfected Infants Attending Immunization Services: Results From National PMTCT Surveillance, South Africa. Open Forum Infect Dis 2017; 4:ofx187. [PMID: 29062860 PMCID: PMC5641411 DOI: 10.1093/ofid/ofx187] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 08/24/2017] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Despite the recognized benefit of antiretroviral therapy (ART) for preventing and treating HIV, some studies have reported adverse birth outcomes with in utero ART exposure. We evaluated the effect of infant in utero HIV and ART exposure on preterm delivery (PTD), low birth weight (LBW), small for gestational age (SGA), and underweight for age (UFA) at 6 weeks. METHODS We surveyed 6179 HIV-unexposed-uninfected (HUU) and 2599 HIV-exposed-uninfected (HEU) infants. HEU infants were stratified into 3 groups: ART, Zidovudine alone, and no antiretrovirals (None). The ART group was further stratified to explore pre- or postconception exposure. Multivariable logistic regression evaluated effects of HIV and ARV exposure on the outcomes. RESULTS We found higher odds of PTD, LBW, SGA, and UFA in HEU than HUU infants. HEU in the None group (adjusted odds ratio [AOR], 1.9; 95% confidence interval [CI], 1.2-3.0) or those whose mothers initiated ART preconception (AOR, 1.7; 95% CI, 1.1-2.5) had almost twice the odds of PTD than infants whose mothers started ART postconception, but no increased odds for other outcomes. CONCLUSIONS There was an association between preconception ART and PTD. As ART access increases, pregnancy registers or similar surveillance should be in place to monitor outcomes to inform future policy.
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Affiliation(s)
- Vundli Ramokolo
- Health Systems Research Unit, South African Medical Research Council, Cape Town,South Africa
- Centre for International Health, Department of Global Public Health and Primary Health Care, University of Bergen, Bergen, Norway
| | - Ameena E Goga
- Health Systems Research Unit, South African Medical Research Council, Cape Town,South Africa
- Department of Paediatrics and Child Health, Kalafong Hospital, University of Pretoria, South Africa
| | - Carl Lombard
- Biostatistics Unit, South African Medical Research Council, Cape Town,South Africa
| | - Tanya Doherty
- Health Systems Research Unit, South African Medical Research Council, Cape Town,South Africa
- School of Public Health, University of the Western Cape, Cape Town,South Africa
| | - Debra J Jackson
- School of Public Health, University of the Western Cape, Cape Town,South Africa
- UNICEF, New York, New York
| | - Ingunn MS Engebretsen
- Centre for International Health, Department of Global Public Health and Primary Health Care, University of Bergen, Bergen, Norway
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Health and survival of HIV perinatally exposed but uninfected children born to HIV-infected mothers. Curr Opin HIV AIDS 2017; 11:465-476. [PMID: 27716731 DOI: 10.1097/coh.0000000000000300] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The number of HIV-exposed but uninfected (HEU) infants exposed to both HIV and multiple antiretroviral drugs in utero and during prolonged breastfeeding is increasing in low-income countries where HIV prevalence is the highest. We review recent evidence on the effects of perinatal/postnatal exposure to maternal HIV and combined antiretroviral therapy (cART) on health outcomes of HEU children (mitochondrial and metabolic toxicity, adverse pregnancy outcomes, neurodevelopment, growth, infectious morbidity, and mortality). RECENT FINDINGS Several studies have reported ART-associated mitochondrial toxicity and metabolic disorders with conflicting results on adverse pregnancy outcomes, underscoring the need to conduct further investigations on these questions. Studies about congenital abnormalities report no significant differences between HEU exposed to ART and HIV-unexposed (HUU) children. Updated French data showed no significant difference in cancer incidence between HEU cART-exposed children and the general paediatric population. Furthermore, HEU children exposed to maternal cART have modest but significant impairment of development and a higher risk of growth impairment. Finally, HEU have higher risks of infections (mainly low respiratory tract infections and diarrhoea) and malaria than HUU children, particularly in children not breastfed or after early weaning. Higher mortality risk from infectious disease is reported in HEU compared to HUU children. SUMMARY As we move toward the elimination of mother-to-child transmission of HIV, HEU children are an emerging population whose health outcomes remain to be fully described. Future large cohorts of HEU children using careful comparison groups of HUU in the post-ART era are needed to better understand their long-term health outcomes.
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Rosala-Hallas A, Bartlett JW, Filteau S. Growth of HIV-exposed uninfected, compared with HIV-unexposed, Zambian children: a longitudinal analysis from infancy to school age. BMC Pediatr 2017; 17:80. [PMID: 28302082 PMCID: PMC5356250 DOI: 10.1186/s12887-017-0828-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 03/08/2017] [Indexed: 11/17/2022] Open
Abstract
Background Early growth of HIV-exposed, uninfected (HEU) children is poorer than that of their HIV-unexposed, uninfected (HUU) counterparts but there is little longitudinal or longer term information about the growth effects of early HIV exposure. Methods We performed a longitudinal analysis to compare growth of HEU and HUU infants and children using data from two cohort studies in Lusaka, Zambia. Initially 207 HUU and 200 HEU infants from the Breastfeeding and Postpartum Health (BFPH) study and 580 HUU and 165 HEU from the Chilenje Infant Growth, Nutrition and Infection Study (CIGNIS) had anthropometric measurements taken during infancy and again when school-aged, at which time 66 BFPH children and 326 CIGNIS children were available. We analysed the data from the two cohorts separately using linear mixed models. Linear regression models were used as a secondary analysis at the later time points, adjusting for breastfeeding duration. We explored when the main group differences in growth emerged in order to estimate the largest ‘effect periods’. Results After adjusting for socioeconomic status and maternal education, HEU children had lower weight-for-age, length-for-age and BMI-for-age Z-scores during early growth and these differences still existed when children were school-aged. Exposure group differences changed most between 1 and 6 weeks and between 18 months and ~7.5 years. Conclusions HEU children have poorer early growth than HUU children which persists into later growth. Interventions to improve growth of HEU children need to target pregnant women and infants. Electronic supplementary material The online version of this article (doi:10.1186/s12887-017-0828-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | - Suzanne Filteau
- Department of Population Health, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, Keppel Street, London, UK.
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Lang’at PC, Ogada IA, Steenbeek A, Odinga G, Mwachiro MM. Do the feeding practices and nutrition status among HIV-exposed infants less than 6 months of age follow the recommended guidelines in Bomet County, Kenya? BMC Nutr 2016. [DOI: 10.1186/s40795-016-0084-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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21
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le Roux SM, Abrams EJ, Nguyen K, Myer L. Clinical outcomes of HIV-exposed, HIV-uninfected children in sub-Saharan Africa. Trop Med Int Health 2016; 21:829-45. [PMID: 27125333 DOI: 10.1111/tmi.12716] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE HIV-exposed but HIV-uninfected (HEU) children are widely considered at increased risk of mortality and morbidity. Recent advances in prevention of mother-to-child HIV transmission (PMTCT) strategies, incorporating life-long universal maternal antiretroviral therapy (ART, "Option B+") with extended breastfeeding, may improve HEU child health substantially. We critically reviewed reports of mortality/morbidity among HEU and HIV-unexposed (HU) children in sub-Saharan Africa. METHODS We searched Medline, EMBASE, CINAHL, PsycINFO, Academic Search Premier, Global Health & Psychosocial Instruments databases, conference abstracts, and reference lists for longitudinal studies from sub-Saharan Africa reporting mortality and clinical morbidity among HIV-uninfected children aged ≤10 years, by maternal HIV status. Studies were appraised by Newcastle-Ottawa Scale and ACROBAT-NRSI. Due to substantial heterogeneity of study designs, populations and results (I(2) = 75%), data were not synthesised. RESULTS We included 37 reports (28 studies, 11 164 HEU children); methodological and reporting quality were variable. Most reports came from settings without universal access to maternal ART (n = 35). Results were conflicting, with some studies indicating increased risk of mortality, hospitalisation and/or under-nutrition among HEU children, while others found no evidence of increased risk. In subanalyses, improved maternal health, ART use and breastfeeding were strongly protective for all outcomes. Only 39% (11/28) of studies adjusted for major confounders. Reports from settings using universal maternal ART with breastfeeding (n = 2) found no differences in growth or development but did not report mortality or infectious morbidity. CONCLUSIONS The existing literature provides little insight into HEU child health under recently adopted PMTCT strategies. There is a need for robust comparative data on HEU and HIV-unexposed child health outcomes under Option B+; optimising breastfeeding practices and increasing maternal use of ART should be urgent public health priorities.
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Affiliation(s)
- Stanzi M le Roux
- Division of Epidemiology & Biostatistics, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa.,Centre for Infectious Diseases & Epidemiology Research, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Elaine J Abrams
- ICAP, Mailman School of Public Health, Columbia University, New York, NY, USA.,College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Kelly Nguyen
- Centre for Infectious Diseases & Epidemiology Research, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Landon Myer
- Division of Epidemiology & Biostatistics, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa.,Centre for Infectious Diseases & Epidemiology Research, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
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Morden E, Technau KG, Giddy J, Maxwell N, Keiser O, Davies MA. Growth of HIV-Exposed Uninfected Infants in the First 6 Months of Life in South Africa: The IeDEA-SA Collaboration. PLoS One 2016; 11:e0151762. [PMID: 27049853 PMCID: PMC4822941 DOI: 10.1371/journal.pone.0151762] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 03/03/2016] [Indexed: 11/19/2022] Open
Abstract
Background HIV-exposed uninfected (HEU) infants are a growing population in sub-Saharan Africa especially with the increasing coverage of more effective prevention of mother-to-child transmission (PMTCT) antiretroviral therapy regimens. This study describes the characteristics of South African HEU infants, investigates factors impacting birth weight and assesses their growth within the first 28 weeks of life. Methods This is a retrospective cohort based on routine clinical data from two South African PMTCT programmes. Data were collected between 2007 and 2013. Linear regression assessed factors affecting birth weight-for-age z-scores (WAZ) while growth (longitudinal WAZ) was assessed using mixed effects models. Results We assessed the growth of 2621 HEU infants (median birth WAZ was -0.65 (IQR -1.46; 0.0) and 51% were male). The feeding modalities practised were as follows: 0.5% exclusive breastfeeding, 7.9% breastfeeding with unknown exclusivity, 0.08% mixed breastfeeding and 89.2% formula feeding. Mothers with CD4 <200 cells/μl delivered infants with a lower birth WAZ (adjusted ß -0.253 [95% CI -0.043; -0.072], p = 0.006) compared to mothers with aCD4 ≥500 cells/μl. Similarly, mothers who did not receive antiretroviral drugs delivered infants with a lower birth WAZ (adjusted ß -0.39 [95% CI -0.67; -0.11], p = 0.007) compared to mothers who received antenatal antiretrovirals. Infants with a birth weight <2 500g (ß 0.070 [95% CI 0.061; 0.078], p <0.0001) experienced faster growth within the first 28 weeks of life compared to infants with a birth weight ≥2 500g. Infants with any breastfeeding exposure experienced slower longitudinal growth compared to formula fed infants (adjusted ß -0.012 [95% CI 0.021; -0.003], p = 0.011). Conclusion Less severe maternal disease and the use of antiretrovirals positively impacts birth weight in this cohort of South African HEU infants. Formula feeding was common with breastfed infants experiencing marginally slower longitudinal growth.
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Affiliation(s)
- Erna Morden
- School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
- * E-mail:
| | - Karl-Günter Technau
- Rahima Moosa Mother and Child Hospital and University of the Witwatersrand, Johannesburg, South Africa
| | | | - Nicola Maxwell
- School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Olivia Keiser
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Mary-Ann Davies
- School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
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Safety of combination antiretroviral prophylaxis in high-risk HIV-exposed newborns: a retrospective review of the Canadian experience. J Int AIDS Soc 2016; 19:20520. [PMID: 26880241 PMCID: PMC4753845 DOI: 10.7448/ias.19.1.20520] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 12/10/2015] [Accepted: 12/22/2015] [Indexed: 11/16/2022] Open
Abstract
Introduction The optimal management of infants born to HIV-positive mothers who are untreated or have detectable viral load prior to delivery remains controversial. Despite the increasing use of combination antiretroviral therapy (cART) for post-exposure prophylaxis (PEP) of neonates at high risk of HIV infection, there is little safety and pharmacokinetic data to support this approach. The objective of this study was to evaluate the safety and tolerability of cART for PEP in HIV-exposed neonates. Methods Retrospective study on 148 cART and 145 Zidovudine (ZDV) monotherapy-exposed infants identified from four Canadian centres where cART for PEP has routinely been prescribed in high-risk situations. Physician-reported adverse events and clinical outcomes were extracted by chart review. Haematological and growth parameters at birth, one and six months of age were compared between cART and ZDV-exposed infants using multivariate mixed effects modelling. Results Non-specific signs and symptoms were reported in 10.2% of cART recipients versus none of the ZDV recipients. Treatment was discontinued prematurely in 9.5% of cART recipients versus 2.1% of ZDV recipients (p=0.01). In the multivariate model, cART recipients had lower mean haemoglobin (decrease of 2.07 g/L) over the 6-month period compared with ZDV recipients (p=0.04), but no effect was seen on absolute neutrophil count. cART recipients had lower weight and smaller head circumference at birth and one month of age compared with ZDV-exposed infants; these differences were no longer significant at six months of age. Conclusions cART administered at treatment doses for PEP in neonates was generally well tolerated, though a higher incidence of non-specific signs and symptoms and early treatment discontinuation occurred among cART recipients.
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Perumal N, Gaffey MF, Bassani DG, Roth DE. WHO Child Growth Standards Are Often Incorrectly Applied to Children Born Preterm in Epidemiologic Research. J Nutr 2015; 145:2429-39. [PMID: 26377758 DOI: 10.3945/jn.115.214064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 08/17/2015] [Indexed: 11/14/2022] Open
Abstract
In epidemiologic research, there is no standard approach for accounting for gestational age (GA) at birth when interpreting postnatal anthropometric data in analyses of cohorts that include children born preterm (CBP). A scoping review was conducted to describe analytical approaches to account for GA at birth when applying the WHO Growth Standards (WHO-GS) to anthropometric data in epidemiologic studies. We searched PubMed, Scopus, MEDLINE, Embase, and Web of Science for studies that applied WHO-GS, included CBP in the study population, had access to data within 1 mo of age, and were published between 2006 and 2015 in English. Of the 80 included studies that used the WHO-GS, 80% (64 of 80) included all children regardless of GA, whereas 20% (16 of 80) restricted analyses that used WHO-GS to term-born children. Among the 64 studies that included all children, 53 (83%) used chronological age and 11 (17%) used corrected age for CBP. Of the 53 studies that used chronological age, 12 (23%) excluded data that were likely contributed by CBP (e.g., very low birth weight or extremely low outlying z scores) and 19 (36%) adjusted for or stratified by GA at birth in regression analyses. In summary, researchers commonly apply WHO-GS to CBP, usually based on chronological age. Methodologic challenges of analyzing data from CBP in the application of WHO-GS were rarely explicitly addressed. Further efforts are required to establish acceptable approaches to account for heterogeneity in GA at birth in the analysis of post-term anthropometric data in epidemiologic research.
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Affiliation(s)
- Nandita Perumal
- Centre for Global Child Health, Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, Toronto, Canada; Department of Nutritional Sciences, University of Toronto, Toronto, Canada; and
| | - Michelle F Gaffey
- Centre for Global Child Health, Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, Toronto, Canada; Department of Nutritional Sciences, University of Toronto, Toronto, Canada; and
| | - Diego G Bassani
- Centre for Global Child Health, Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, Toronto, Canada; Dalla Lana School of Public Health and Department of Paediatrics, Hospital for Sick Children and University of Toronto, Toronto, Canada
| | - Daniel E Roth
- Centre for Global Child Health, Peter Gilgan Centre for Research and Learning, Hospital for Sick Children, Toronto, Canada; Department of Nutritional Sciences, University of Toronto, Toronto, Canada; and Department of Paediatrics, Hospital for Sick Children and University of Toronto, Toronto, Canada
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Phiri K, Williams PL, Dugan KB, Fischer MA, Cooper WO, Seage GR, Hernandez-Diaz S. Antiretroviral Therapy Use During Pregnancy and the Risk of Small for Gestational Age Birth in a Medicaid Population. Pediatr Infect Dis J 2015; 34:e169-75. [PMID: 25851070 PMCID: PMC4466082 DOI: 10.1097/inf.0000000000000712] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Several studies have assessed the association between antiretroviral (ARV) therapy use during pregnancy and small for gestational age (SGA), but the evidence remains incompletely elucidated. METHODS We linked data from Tennessee Medicaid files and vital records to evaluate pregnancies among human immunodeficiency virus (HIV)-infected women who delivered between 1994 and 2009. Maternal HIV status was defined based on diagnosis codes, ARV prescriptions and laboratory codes for CD4 count or HIV RNA assays. ARV use was identified from pharmacy claims. Risk of SGA (defined as birth weight below the 10th percentile for gestational age) and preterm birth was evaluated using logistic regression models. RESULTS Four hundred and seventy-seven HIV-infected pregnant women contributing 604 singleton pregnancies were identified; 156 (26%) delivered SGA infants. ARV use during pregnancy was not associated with SGA [adjusted odds ratio: 0.93; 95% confidence interval (CI): 0.56-1.56] or preterm birth (adjusted odds ratio: 0.74; 95% CI: 0.42-1.32). Exposure to a protease inhibitor during the first trimester was associated with a lower risk of SGA (odds ratio: 0.54; 95% CI: 0.29-1.01) compared with non-exposure to a protease inhibitor throughout pregnancy. CONCLUSIONS We observed no evidence of an association between ARV exposure during pregnancy and SGA delivery in this Medicaid cohort of HIV-infected women.
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Affiliation(s)
- Kelesitse Phiri
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
| | - Paige L. Williams
- Department of Biostatics, Harvard School of Public Health, Boston, MA, USA
| | - Kate B. Dugan
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
| | - Michael A. Fischer
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - William O. Cooper
- Department of Preventive Medicine and Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - George R. Seage
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
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Ramokolo V, Lombard C, Chhagan M, Engebretsen IMS, Doherty T, Goga AE, Fadnes LT, Zembe W, Jackson DJ, Van den Broeck J. Effects of early feeding on growth velocity and overweight/obesity in a cohort of HIV unexposed South African infants and children. Int Breastfeed J 2015; 10:14. [PMID: 25873986 PMCID: PMC4396061 DOI: 10.1186/s13006-015-0041-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 03/15/2015] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND South Africa has the highest prevalence of overweight/obesity in Sub-Saharan Africa. Assessing the effect of modifiable factors such as early infant feeding on growth velocity and overweight/obesity is therefore important. This paper aimed to assess the effect of infant feeding in the transitional period (12 weeks) on 12-24 week growth velocity amongst HIV unexposed children using WHO growth velocity standards and on the age and sex adjusted body mass index (BMI) Z-score distribution at 2 years. METHODS Data were from 3 sites in South Africa participating in the PROMISE-EBF trial. We calculated growth velocity Z-scores using the WHO growth standards and assessed feeding practices using 24-hour and 7-day recall data. We used quantile regression to study the associations between 12 week infant feeding and 12-24 week weight velocity (WVZ) with BMI-for-age Z-score at 2 years. We included the internal sample quantiles (70th and 90th centiles) that approximated the reference cut-offs of +2 (corresponding to overweight) and +3 (corresponding to obesity) of the 2 year BMI-for-age Z-scores. RESULTS At the 2-year visit, 641 children were analysed (median age 22 months, IQR: 17-26 months). Thirty percent were overweight while 8.7% were obese. Children not breastfed at 12 weeks had higher 12-24 week mean WVZ and were more overweight and obese at 2 years. In the quantile regression, children not breastfed at 12 weeks had a 0.37 (95% CI 0.07, 0.66) increment in BMI-for-age Z-score at the 50th sample quantile compared to breast-fed children. This difference in BMI-for-age Z-score increased to 0.46 (95% CI 0.18, 0.74) at the 70th quantile and 0.68 (95% CI 0.41, 0.94) at the 90th quantile . The 12-24 week WVZ had a uniform independent effect across the same quantiles. CONCLUSIONS This study demonstrates that the first 6 months of life is a critical period in the development of childhood overweight and obesity. Interventions targeted at modifiable factors such as early infant feeding practices may reduce the risks of rapid weight gain and subsequent childhood overweight/obesity.
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Affiliation(s)
- Vundli Ramokolo
- />Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa
- />Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Carl Lombard
- />Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa
| | - Meera Chhagan
- />Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- />School of Public Health, University of the Western Cape, Cape Town, South Africa
- />Department of Pediatrics, University of KwaZulu Natal, KwaZulu Natal, South Africa
| | - Ingunn MS Engebretsen
- />Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Tanya Doherty
- />Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa
- />School of Public Health, University of the Western Cape, Cape Town, South Africa
| | - Ameena E Goga
- />Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa
- />Department of Paediatrics and Child Health, Kalafong Hospital, University of Pretoria, Pretoria, South Africa
| | - Lars Thore Fadnes
- />Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- />Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Wanga Zembe
- />Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa
| | - Debra J Jackson
- />School of Public Health, University of the Western Cape, Cape Town, South Africa
| | - Jan Van den Broeck
- />Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
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