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Acharya S, Palkar A, Sayed AP, Setia MS. Retrospective cohort analysis of survival of children living with HIV/AIDS in Mumbai, India. BMJ Open 2021; 11:e050534. [PMID: 34518268 PMCID: PMC8438856 DOI: 10.1136/bmjopen-2021-050534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES To understand the survival in a cohort of children living with HIV/AIDS (CLHAs) and to study the factors associated with survival in CLHAs in government antiretroviral therapy (ART) centres in Mumbai, India. DESIGN This is a retrospective cohort analysis. SETTING Data from electronic ART records of children from 15 ART centres in Mumbai, Maharashtra, India. PARTICIPANTS 2224 CLHAs registered in one of these ART centres from 2004 until October 2019. CLHAs up to the age of 18 at the time of registration were considered for these analyses. PRIMARY AND SECONDARY OUTCOMES We accessed the following data: date of test, date of initiation of ART, date of last follow-up, age at the time of registration, gender, potential route of infection, baseline CD4 counts, ART regimen, adherence and presence of co-infection (TB). We estimated the survival probabilities, plotted the Kaplan-Meier survival graphs and estimated HRs for mortality. RESULTS The mortality rate in our population was 22.75 (95% CI 20.02 to 25.85) per 1000 person-years. The 1-year survival was 0.92 (95% CI 0.91 to 0.93), 0.89 (95% CI 0.88 to 0.91) at 5 years and 0.85 (95% CI 0.83 to 0.87) at 10 years after initiation of ART. Children with adherence less than 80% had lowest survival in the first year (0.54, 95% CI 0.46 to 0.61). It reduced drastically at 5 and 10 years. After adjusting for demographic and clinical parameters, mortality was associated with poor adherence (<80%) (HR 11.70, 95% CI 8.82 to 15.53; p<0.001). However, CD4 counts of greater than 200 and age more than 1 year were protective. CONCLUSIONS Poor adherence to ART and low CD4 counts were significantly associated with higher mortality. Adherence counselling should be an important component of CLHA monitoring in all ART centres. It is also important to identify children early in the infection and start ART medications appropriately.
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Affiliation(s)
| | - Amol Palkar
- Mumbai Districts AIDS Control Society, Mumbai, India
| | - Anwar Parvez Sayed
- UW International Training and Education Center for Health, New Delhi, India
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Comparative Efficacy of Antifungal Agents Used in the Treatment of Oropharyngeal Candidiasis among HIV-Infected Adults: A Systematic Review and Network Meta-Analysis. J Fungi (Basel) 2021; 7:jof7080637. [PMID: 34436176 PMCID: PMC8398874 DOI: 10.3390/jof7080637] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 07/18/2021] [Accepted: 07/29/2021] [Indexed: 12/22/2022] Open
Abstract
The objective of this study was to assess the comparative efficacy and safety of different antifungal agents used for the treatment of oropharyngeal candidiasis (OPC) in adult patients with HIV. A systematic search was performed on the four major databases (Medline, Embase, CENTRAL and Scopus) to identify randomized controlled trials (RCTs) that evaluated the efficacy of antifungal agents in HIV patients with OPC. A network meta-analysis was performed from the data extracted from the selected studies. The agents were ranked according using surface under the cumulative ranking (SUCRA). The Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach was used to determine the quality of evidence. A total of 15 trials were included in the quantitative analysis involving the data from a total of 2883 participants. Fluconazole was ranked as the most effective antifungal agent to achieve clinical cure (SUCRA = 0.87) in OPC followed by posaconazole and itraconazole. Posaconazole was ranked the most efficacious agent in achieving mycological cure (SUCRA = 0.81), followed by fluconazole. While nystatin was ranked the safest, the effect estimates of none of the other systemic antifungal agents were significantly higher than fluconazole. Based on the available evidence, fluconazole can be considered as the most effective drug in the treatment of OPC among HIV-infected adults and has a favorable safety profile, followed by posaconazole.
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Owor M, Tierney C, Ziemba L, Browning R, Moye J, Graham B, Reding C, Costello D, Norman J, Wiesner L, Hughes E, Whalen ME, Purdue L, Mmbaga BT, Kamthunzi P, Kawalazira R, Nathoo K, Bradford S, Coletti A, Aweeka F, Musoke P. Pharmacokinetics and Safety of Zidovudine, Lamivudine, and Lopinavir/Ritonavir in HIV-infected Children With Severe Acute Malnutrition in Sub-Saharan Africa: IMPAACT Protocol P1092. Pediatr Infect Dis J 2021; 40:446-452. [PMID: 33464021 PMCID: PMC8043511 DOI: 10.1097/inf.0000000000003055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/19/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Severe acute malnutrition (SAM) may alter the pharmacokinetics (PK), efficacy, and safety of antiretroviral therapy. The phase IV study, IMPAACT P1092, compared PK, safety, and tolerability of zidovudine (ZDV), lamivudine (3TC), and lopinavir/ritonavir (LPV/r) in children with and without SAM. MATERIALS AND METHODS Children living with HIV 6 to <36 months of age with or without World Health Organization (WHO)-defined SAM received ZDV, 3TC, and LPV/r syrup for 48 weeks according to WHO weight band dosing. Intensive PK sampling was performed at weeks 1, 12, and 24. Plasma drug concentrations were measured using liquid chromatography tandem mass spectrometry. Steady-state mean area under the curve (AUC0-12h) and clearance (CL/F) for each drug were compared. Grade ≥3 adverse events were compared between cohorts. RESULTS Fifty-two children were enrolled across 5 sites in Africa with 44% (23/52) female, median age 19 months (Q1, Q3: 13, 25). Twenty-five children had SAM with entry median weight-for-height Z-score (WHZ) -3.4 (IQR -4.0, -3.0) and 27 non-SAM had median WHZ -1.0 (IQR -1.8, -0.1). No significant differences in mean AUC0-12h or CL/F were observed (P ≥ 0.09) except for lower 3TC AUC0-12h (GMR, 0.60; 95% CI, 0.4-1.0; P = 0.047) at week 12, higher ZDV AUC0-12h (GMR, 1.52; 1.2-2.0; P = 0.003) at week 24 in the SAM cohort compared with non-SAM cohort. Treatment-related grade ≥3 events did not differ significantly between cohorts (24.0% vs. 25.9%). CONCLUSION PK and safety findings for ZDV, 3TC, and LPV/r support current WHO weight band dosing of syrup formulations in children with SAM.
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Affiliation(s)
- Maxensia Owor
- From the Makerere University—Johns Hopkins University Research Collaboration, Kampala, Uganda
| | - Camlin Tierney
- Department of Biostatistics, Center for Biostatistics in AIDS Research, Harvard T.H Chan School of Public Health, Boston, MA
| | - Lauren Ziemba
- Department of Biostatistics, Center for Biostatistics in AIDS Research, Harvard T.H Chan School of Public Health, Boston, MA
| | - Renee Browning
- National Institute of Allergy and Infectious Diseases, Bethesda, MD
| | | | | | | | - Diane Costello
- IMPAACT Laboratory Center, University of California, Los Angeles, CA
| | - Jennifer Norman
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Emma Hughes
- Department of Clinical Pharmacy, University of California, San Francisco, San Francisco, CA
| | - Meghan E. Whalen
- Department of Clinical Pharmacy, University of California, San Francisco, San Francisco, CA
| | | | - Blandina Theophil Mmbaga
- Kilimanjaro Clinical Research Institute—Kilimanjaro Christian Medical Center and Kilimanjaro Christian Medical University College, Moshi, Tanzania
| | | | - Rachel Kawalazira
- College of Medicine, Johns Hopkins Research Project, Blantyre, Malawi
| | - Kusum Nathoo
- College of Health Sciences, University of Zimbabwe, Avondale, Harare, Zimbabwe
| | | | | | - Francesca. Aweeka
- Department of Clinical Pharmacy, University of California, San Francisco, San Francisco, CA
| | - Philippa Musoke
- From the Makerere University—Johns Hopkins University Research Collaboration, Kampala, Uganda
- Department of Paediatrics and Child Health, College of Health Sciences, Makerere University, Kampala, Uganda
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Desmonde S, Neilan AM, Musick B, Patten G, Chokephaibulkit K, Edmonds A, Duda SN, Malateste K, Wools-Kaloustian K, Ciaranello AL, Davies MA, Leroy V. Time-varying age- and CD4-stratified rates of mortality and WHO stage 3 and stage 4 events in children, adolescents and youth 0 to 24 years living with perinatally acquired HIV, before and after antiretroviral therapy initiation in the paediatric IeDEA Global Cohort Consortium. J Int AIDS Soc 2021; 23:e25617. [PMID: 33034417 PMCID: PMC7545918 DOI: 10.1002/jia2.25617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 07/10/2020] [Accepted: 08/09/2020] [Indexed: 12/17/2022] Open
Abstract
Introduction Evaluating outcomes of paediatric patients with HIV provides crucial data for clinicians and policymakers. We analysed mortality and clinical events rates among children, adolescents, and youth with perinatally acquired HIV (PHIV) aged 0 to 24 years stratified by time‐varying age and CD4, before and after antiretroviral therapy (ART), in the paediatric IeDEA multiregional collaboration (East, West, Central and Southern Africa, Asia‐Pacific, and Central/South America and the Caribbean). Methods ART‐naïve children with HIV enrolled before age 10 (proxy for perinatal infection) at IeDEA sites between 2004 and 2016, with ≥1 CD4 measurement during follow‐up were included. We estimated incidence rates (IR) and 95% confidence intervals (95% CI) of mortality and first occurrence of WHO‐4 and WHO‐3 events, excluding tuberculosis, during person‐years (PY) spent within different age (<2, 2 to 4, 5 to 9, 10 to 14, 15 to 19, 20 to 24) and CD4 (percent when <5 years [<15%, 15% to 24%, ≥25%]; count when ≥5 years [<200, 200 to 499, ≥500 cells/µL]) strata. We used linear mixed models to predict CD4 evolution, with trends modelled by region. Results In the pre‐ART period, 49 137 participants contributed 51 966 PY of follow‐up (median enrolment age: 3.9 years). The overall pre‐ART IRs were 2.8/100 PY (95% CI: 2.7 to 2.9) for mortality, 3.3/100 PY (95% CI: 3.0 to 3.5) for first occurrence of a WHO‐4 event, and 7.0/100 PY (95% CI: 6.7 to 7.4) for first occurrence of a WHO‐3 event. Lower CD4 and younger age strata were associated with increased rates of both mortality and first occurrence of a clinical event. In the post‐ART period, 52 147 PHIVY contributed 207 945 PY (ART initiation median age: 4.5 years). Overall mortality IR was 1.4/100 PY (95% CI: 1.4 to 1.5) and higher in low CD4 strata; patients at each end of the age spectrum (<2 and >19) had increased mortality post‐ART. IRs for first occurrence of WHO‐4 and WHO‐3 events were 1.3/100 PY (95% CI: 1.2 to 1.4) and 2.1/100 PY (95% CI: 2.0 to 2.2) respectively. These were also associated with lower CD4 and younger age strata. Conclusions Mortality and incidence of clinical events were highest in both younger (<2 years) and older (>19 years) youth with PHIV. Scaling‐up services for <2 years (early access to HIV diagnosis and care) and >19 years (adolescent‐ and youth‐focused health services) is critical to improve outcomes among PHIVY.
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Affiliation(s)
- Sophie Desmonde
- Inserm U1027, Université Paul Sabatier Toulouse 3, Toulouse, France
| | - Anne M Neilan
- Division of General Academic Pediatrics, Department of Pediatrics, Massachusetts General Hospital for Children, Boston, MA, USA
| | - Beverly Musick
- School of Medicine, Indiana University, Indianapolis, IN, USA
| | - Gabriela Patten
- School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | | | - Andrew Edmonds
- Department of Epidemiology, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Stephany N Duda
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Karen Malateste
- Inserm U1219, Université de Bordeaux, Bordeaux, France.,Bordeaux Population Health Center, Université de Bordeaux, Bordeaux, France
| | | | - Andrea L Ciaranello
- Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Mary-Ann Davies
- School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Valériane Leroy
- Inserm U1027, Université Paul Sabatier Toulouse 3, Toulouse, France
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Characteristics and outcomes of adolescents living with perinatally acquired HIV within Southern Africa. AIDS 2020; 34:2275-2284. [PMID: 32910063 DOI: 10.1097/qad.0000000000002683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Using data from 15 International epidemiology Databases to Evaluate AIDS in Southern Africa sites, we compared the characteristics and outcomes of adolescents living with perinatally acquired HIV (ALPH). METHODS We included ALPH entering care aged less than 13 years with at least one HIV care visit during adolescence (10-19 years). We compared the characteristics and cross-sectional outcomes: transfer out, loss to follow-up (no visit in the 12 months prior to database closure), mortality, and retention between those who entered care aged less than 10 vs. aged 10-13 years; and explored predictors of mortality after age 13 years using Cox Proportional Hazards models. RESULTS Overall, 16 229 (50% female) ALPH who entered HIV care aged less than 10 years and 8897 (54% female) aged 10-13 years were included and followed for 152 574 person-years. During follow-up, 94.1% initiated antiretroviral therapy, with those who entered care aged less than 10 more likely to have initiated antiretroviral therapy [97.9%, 95% confidence interval (CI) 97.6; 98.1%] than those who presented aged 10-13 years (87.3%, 95% CI 86.6; 88.0%). At the end of follow-up, 3% had died (entered care aged <10 vs. 10-13 years; 1.4 vs. 5.1%), 22% were loss to follow-up (16.2 vs. 33.4%), and 59% (66.4 vs. 45.4%) were retained. There was no difference in the risk of dying after the age of 13 years between adolescents entering care aged less than 10 vs. 10-13 years (adjusted hazard ratio 0.72; 95% CI 0.36; 1.42). CONCLUSION Retention outcomes for ALPH progressively worsened with increasing age, with these outcomes substantially worse among adolescents entering HIV care aged 10-13 vs. less than 10 years.
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Fearon E, Wiggins RD, Pettifor AE, MacPhail C, Kahn K, Selin A, Gómez‐Olivé FX, Delany‐Moretlwe S, Piwowar‐Manning E, Laeyendecker O, Hargreaves JR. Associations between friendship characteristics and HIV and HSV-2 status amongst young South African women in HPTN-068. J Int AIDS Soc 2017; 20:e25029. [PMID: 29285883 PMCID: PMC5810346 DOI: 10.1002/jia2.25029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 11/07/2017] [Indexed: 01/07/2023] Open
Abstract
INTRODUCTION Prevalence of HIV among young women in South Africa remains extremely high. Adolescent peer groups have been found to be an important influence on a range of health behaviours. The characteristics of young women's friendships might influence their sexual health and HIV risk via connections to sexual partners, norms around sexual initiation and condom use, or provision of social support. We investigated associations between young women's friendships and their Herpes Simplex Virus Type 2 (HSV-2) and HIV infection status in rural South Africa. METHODS Our study is a cross-sectional, egocentric network analysis. In 2011 to 2012, we tested 13- to 20-year-old young women for HIV and HSV-2, and collected descriptions of five friendships for each. We generated summary measures describing friend socio-demographic characteristics and the number of friends perceived to have had sex. We used logistic regression to analyse associations between friend characteristics and participant HIV and HSV-2 infection, excluding likely perinatal HIV infections. RESULTS There were 2326 participants included in the study sample, among whom HIV and HSV-2 prevalence were 3.3% and 4.6% respectively. Adjusted for participant and friend socio-demographic characteristics, each additional friend at least one year older than the participant was associated with raised odds of HIV (odds ratio (OR) = 1.37, 95% CI 1.03 to 1.82) and HSV-2 (adjusted OR=1.41, 95% CI 1.18 to 1.69). Each additional friend perceived to have ever had sex also raised the odds of HIV (OR = 1.29, 95% CI 1.03 to 1.63) and HSV-2 (OR=1.18, 95% CI 1.03 to 1.35). DISCUSSION We found good evidence that a greater number of older friends and friends perceived to have had sex were associated with increased risk for HSV-2 and HIV infection among young women. CONCLUSIONS The characteristics of young women's friendships could contribute to their risk of HIV infection. The extent to which policies or programmes influence age-mixing and young women's normative environments should be considered.
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Affiliation(s)
- Elizabeth Fearon
- Department of Social and Environmental Health ResearchLondon School of Hygiene and Tropical MedicineLondonUK
| | - Richard D Wiggins
- Department of Social ScienceUCL Institute of EducationUniversity College LondonLondonUK
| | - Audrey E Pettifor
- Department of EpidemiologyGillings School of Global Public HealthUniversity of North CarolinaChapel HillNCUSA
| | - Catherine MacPhail
- Wits RHIUniversity of the WitwatersrandJohannesburgSouth Africa
- School of Health and SocietyUniversity of WollongongWollongongNSWAustralia
| | - Kathleen Kahn
- Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt)School of Public HealthFaculty of Health SciencesUniversity of the WitwatersrandJohannesburgSouth Africa
- Centre for Global Health ResearchUmeå UniversityUmeåSweden
- INDEPTH NetworkAccraGhana
| | - Amanda Selin
- Department of EpidemiologyGillings School of Global Public HealthUniversity of North CarolinaChapel HillNCUSA
| | - F Xavier Gómez‐Olivé
- Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt)School of Public HealthFaculty of Health SciencesUniversity of the WitwatersrandJohannesburgSouth Africa
- INDEPTH NetworkAccraGhana
| | | | | | - Oliver Laeyendecker
- Division of Infectious DiseasesJohns Hopkins University School of MedicineBaltimoreMDUSA
- Division of Intramural ResearchNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMDUSA
| | - James R Hargreaves
- Department of Social and Environmental Health ResearchLondon School of Hygiene and Tropical MedicineLondonUK
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Risk Factors for Growth Retardation in HIV-infected Senegalese Children on Antiretroviral Treatment: The ANRS 12279 MAGGSEN Pediatric Cohort Study. Pediatr Infect Dis J 2017; 36:e87-e92. [PMID: 28187062 DOI: 10.1097/inf.0000000000001454] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVES To describe prevalence and risk factors for wasting and stunting among HIV-infected children with a median duration of 3 years of antiretroviral therapy (ART) at the time of their enrollment in the cohort study. METHODS Wasting and stunting at ART initiation and enrollment were defined as weight-for-height/body mass index-for-age Z scores < -2 and height-for-age Z scores < -2, respectively. Logistic regression was used to assess risk factors for wasting and stunting. Main predictive factors were age at enrollment, nutritional status and age (< or ≥5 years) at ART initiation and ART duration (< or ≥3 years on first-line, or ≥3 years including a switch to second-line ART). RESULTS Two hundred forty-four children 2-16 years of age were enrolled. Overall, wasting and stunting prevalence dropped off consistently in children 2-10 years of age, between ART initiation and enrollment, while it remained at high levels, 52% and 42%, respectively, in children 10-16 years of age. Risk factors for wasting at enrollment were ART duration of ≥3 years including a switch to second-line [adjusted odds ratio (aOR): 3.9, 95% confidence interval (CI): 1.7-8.9] and wasting at ART initiation (aOR: 2.7, 95% CI: 1.4-5.2). The risk factor for stunting at enrollment was stunting at ART initiation (aOR: 11.6, 95% CI: 5.4-25.0), independent of ART duration. CONCLUSIONS Malnutrition at the time of ART initiation was the main predictor of malnutrition at enrollment among HIV-infected children on ART. Longer duration on ART had no overall protective effect on wasting and stunting. Growth and virologic monitoring are of utmost importance in the comprehensive care of children with HIV infection.
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Abstract
PURPOSE OF REVIEW To provide an update on the HIV treatment cascade in children and adolescents. We reviewed the literature on the steps in the cascade, for the period 2014-2015. RECENT FINDINGS There remains high attrition of children with regards to early testing and linking those patients who are positive to early treatment. Barriers to screening and testing in children and adolescents are multifactorial. Linkage to pre-antiretroviral therapy care and retention in care are the main steps at which attrition occurs. There are a number of new formulations available for use in adolescents and children which offer more options for antiretroviral therapy treatment. Adherence levels appear to be reasonable in Africa and Asia; however, achieving viral load suppression remains a challenge. SUMMARY We have a long way to go to achieve decreased attrition at each step of the cascade and retain patients in care. Recent improvements in each step of the cascade are bringing us closer to achieving treatment success.
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Validation of a screening tool to identify older children living with HIV in primary care facilities in high HIV prevalence settings. AIDS 2016; 30:779-85. [PMID: 26588175 PMCID: PMC4937807 DOI: 10.1097/qad.0000000000000959] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Objective: We previously proposed a simple tool consisting of five items to screen for risk of HIV infection in adolescents (10–19 years) in Zimbabwe. The objective of this study is to validate the performance of this screening tool in children aged 6–15 years attending primary healthcare facilities in Zimbabwe. Methods: Children who had not been previously tested for HIV underwent testing with caregiver consent. The screening tool was modified to include four of the original five items to be appropriate for the younger age range, and was administered. A receiver operator characteristic analysis was conducted to determine a suitable cut-off score. The sensitivity, specificity and predictive value of the modified tool were assessed against the HIV test result. Results: A total of 9568 children, median age 9 (interquartile, IQR: 7–11) years and 4971 (52%) men, underwent HIV testing. HIV prevalence was 4.7% (95% confidence interval, CI:4.2–5.1%) and increased from 1.4% among those scoring zero on the tool to 63.6% among those scoring four (P < 0.001). Using a score of not less than one as the cut-off for HIV testing, the tool had a sensitivity of 80.4% (95% CI:76.5–84.0%), specificity of 66.3% (95% CI:65.3–67.2%), positive predictive value of 10.4% and a negative predictive value of 98.6%. The number needed to screen to identify one child living with HIV would drop from 22 to 10 if this screening tool was used. Conclusion: The screening tool is a simple and sensitive method to identify children living with HIV in this setting. It can be used by lay healthcare workers and help prioritize limited resources.
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Risk factors affecting child cognitive development: a summary of nutrition, environment, and maternal-child interaction indicators for sub-Saharan Africa. J Dev Orig Health Dis 2015; 7:197-217. [PMID: 26358240 DOI: 10.1017/s2040174415001427] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
An estimated 200 million children worldwide fail to meet their development potential due to poverty, poor health and unstimulating environments. Missing developmental milestones has lasting effects on adult human capital. Africa has a large burden of risk factors for poor child development. The objective of this paper is to identify scope for improvement at the country level in three domains--nutrition, environment, and mother-child interactions. We used nationally representative data from large-scale surveys, data repositories and country reports from 2000 to 2014. Overall, there was heterogeneity in performance across domains, suggesting that each country faces distinct challenges in addressing risk factors for poor child development. Data were lacking for many indicators, especially in the mother-child interaction domain. There is a clear need to improve routine collection of high-quality, country-level indicators relevant to child development to assess risk and track progress.
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Gaitán-Cepeda LA, Sánchez-Vargas O, Castillo N. Prevalence of oral candidiasis in HIV/AIDS children in highly active antiretroviral therapy era. A literature analysis. Int J STD AIDS 2015; 26:625-32. [PMID: 25156369 DOI: 10.1177/0956462414548906] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 08/03/2014] [Indexed: 02/05/2023]
Abstract
SummaryHighly active antiretroviral therapy has decreased the morbidity and mortality related to HIV infection, including oral opportunistic infections. This paper offers an analysis of the scientific literature on the epidemiological aspects of oral candidiasis in HIV-positive children in the combination antiretroviral therapy era. An electronic databases search was made covering the highly active antiretroviral therapy era (1998 onwards). The terms used were oral lesions, oral candidiasis and their combination with highly active antiretroviral therapy and HIV/AIDS children. The following data were collected from each paper: year and country in which the investigation was conducted, antiretroviral treatment, oral candidiasis prevalence and diagnostic parameters (clinical or microbiological). Prevalence of oral candidiasis varied from 2.9% in American HIV-positive children undergoing highly active antiretroviral therapy to 88% in Chilean HIV-positive children without antiretroviral therapy. With respect to geographical location and antiretroviral treatment, higher oral candidiasis prevalence in HIV-positive children on combination antiretroviral therapy/antiretroviral therapy was reported in African children (79.1%) followed by 45.9% reported in Hindu children. In HIV-positive Chilean children on no antiretroviral therapy, high oral candidiasis prevalence was reported (88%) followed by Nigerian children (80%). Oral candidiasis is still frequent in HIV-positive children in the highly active antiretroviral therapy era irrespective of geographical location, race and use of antiretroviral therapy.
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Affiliation(s)
- Luis Alberto Gaitán-Cepeda
- Laboratory of Oral Pathology, Postgraduate and Research Division, Dental School, National Autonomous University of Mexico, Coyoacan, México
| | - Octavio Sánchez-Vargas
- Laboratory of Microbiology, Pathology and Biochemical, Faculty of Stomatology, Autonomous University of San Luis Potosi, San Luis Potosí, México
| | - Nydia Castillo
- Microbiology area, Health Sciences Center, Autonomous University of Baja California, Valle de las Palmas, Tijuana, Baja California, México
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Mokgatle MM, Madiba S. The burden of disease on HIV-infected orphaned and non-orphaned children accessing primary health facilities in a rural district with poor resources in South Africa: a cross-sectional survey of primary caregivers of HIV-infected children aged 5-18 years. Infect Dis Poverty 2015; 4:18. [PMID: 25954505 PMCID: PMC4423522 DOI: 10.1186/s40249-015-0049-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Accepted: 04/01/2015] [Indexed: 11/22/2022] Open
Abstract
Background Provider-initiated HIV testing and counseling (PITC) is offered as part of the normal standard of care to increase access to treatment for HIV-infected children. In practice, HIV diagnosis occurs in late childhood following recurrent and chronic infections. We investigated primary caregivers’ reported reasons for seeking HIV testing for children aged 5–18 years, determined the orphan status of the children, and compared the clinical profile and disease burden of orphans and non-orphans. Methods This was a cross-sectional survey of primary caregivers of HIV-infected children accessing antiretroviral treatment (ART) from two community hospitals and 34 primary healthcare facilities in a rural district in Mpumalanga province, South Africa. Results The sample consisted of 406 primary caregivers: 319 (78.6%) brought the child to the health facility for HIV testing because of chronic and recurrent infections. Almost half (n = 183, 45.1%) of the children were maternal orphans, 128 (31.5%) were paternal orphans, and 73 (39.9%) were double orphans. A univariate analysis showed that maternal orphans were significantly more likely to be older (OR = 2.57, p = 0.000, CI: 1.71–3.84), diagnosed late (OR = 2.48, p = 0.009, CI: 1.26–4.88), and to start ART later (OR = 2.5, p = 0.007, CI: 1.28–4.89) than non-orphans. There was a high burden of infection among the children prior to HIV diagnosis; 274 (69.4%) presented with multiple infections. Multiple logistic regression showed that ART start age (aOR = 1.19, p = 0.000, CI: 1.10–1.29) and time on ART (aOR = 2.30, p = 0.000, CI: 1.45–3.64) were significantly associated with orphanhood status. Half (n = 203, (50.2%) of the children were admitted to hospital prior to start of ART, and hospitalization was associated with multiple infections (OR = 1.27, p = 0.004, CI: 1.07–1.51). Conclusions The study found late presentation with undiagnosed perinatal HIV infection and high prevalence of orphanhood among the children. The health of maternal orphans was more compromised than non-orphans. Routine PICT should be strengthened to increase community awareness about undiagnosed HIV among older children and to encourage primary caregivers to accept HIV testing for children. Electronic supplementary material The online version of this article (doi:10.1186/s40249-015-0049-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mathildah M Mokgatle
- Department of Biostatistics, School of Public Health, Sefako Makgatho Health Sciences University, P O Box 215, Medunsa, South Africa
| | - Sphiwe Madiba
- Department of Environmental and Occupational Health, School of Public Health, Sefako Makgatho Health Sciences University, Medunsa, South Africa
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Ebissa G, Deyessa N, Biadgilign S. Predictors of early mortality in a cohort of HIV-infected children receiving high active antiretroviral treatment in public hospitals in Ethiopia. AIDS Care 2015; 27:723-30. [PMID: 25599414 DOI: 10.1080/09540121.2014.997180] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Highly active antiretroviral therapy (HAART) is the breakthrough in care and treatment of people living with HIV, leading to a reduction in mortality and an improvement in the quality of life. Without antiretroviral treatment, most HIV-infected children die before their fifth birthday. So the objective of this study is to determine the mortality and associated factors in a cohort of HIV-infected children receiving ART in Ethiopia. A multicentre facility-based retrospective cohort study was done in selected pediatric ART units in hospitals found in Addis Ababa, Ethiopia. The probability of survival was estimated using the Kaplan-Meier method, and multivariate analysis by Cox proportional hazards regression models was conducted to determine the independent predictor of survival. A total of 556 children were included in this study. Of the total children, 10.4% were died in the overall cohort. More deaths (70%) occurred in the first 6 months of ART initiation, and the remaining others were still on follow-up at different hospitals. Underweight (moderate and severe; HR: 10.10; 95% CI: 2.08, 28.00; P = 0.004; and HR: 46.69; 95% CI: 9.26, 200.45; P < 0.01, respectively), advanced disease stage (WHO clinical stages III and IV; HR: 10.13: 95% CI: 2.25, 45.58; P = 0.003), poor ART adherence (HR: 11.72; 95% CI: 1.60, 48.44; P = 0.015), and hemoglobin level less than 7 g/dl (HR: 4.08: 95% CI: 1.33, 12.56; P = 0.014) were confirmed as significant independent predictors of death after controlling for other factors. Underweight, advanced disease stage, poor adherence to ART, and anemia appear to be independent predictor of survival in HIV-infected children receiving HAART at the pediatric units of public hospitals in Ethiopia. Nutritional supplementations, early initiation of HAART, close supervision, and monitoring of patients during the first 6 months, the follow up period is recommended.
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Affiliation(s)
- Getachew Ebissa
- a Department of General Public Health, College of Health Sciences , Haramaya University , Harar , Ethiopia
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Ciaranello A, Lu Z, Ayaya S, Losina E, Musick B, Vreeman R, Freedberg KA, Abrams EJ, Dillabaugh L, Doherty K, Ssali J, Yiannoutsos CT, Wools-Kaloustian K. Incidence of World Health Organization stage 3 and 4 events, tuberculosis and mortality in untreated, HIV-infected children enrolling in care before 1 year of age: an IeDEA (International Epidemiologic Databases To Evaluate AIDS) East Africa regional analysis. Pediatr Infect Dis J 2014; 33:623-9. [PMID: 24378935 PMCID: PMC4024340 DOI: 10.1097/inf.0000000000000223] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Few studies have reported CD4%- and age-stratified rates of World Health Organization Stage 3 (WHO3) events, World Health Organization Stage 4 (WHO4) events, tuberculosis (TB) and mortality in HIV-infected infants before initiation of antiretroviral therapy. METHODS HIV-infected children enrolled before 1 year of age in the International Epidemiologic Databases to Evaluate AIDS East Africa region (October 1, 2002, to November, 2008) were included. We estimated incidence rates of earliest clinical event (WHO3, WHO4 and TB), before antiretroviral therapy initiation per local guidelines, stratified by current age (< or ≥6 months) and current CD4% (<15%, 15-24%, ≥25%). CD4%-stratified mortality rates were estimated separately for children who did not experience a clinical event ("background" mortality) and for children who experienced an event, including "acute" mortality (≤30 days post event) and "later" mortality (>30 days post event). RESULTS Among 847 children (median enrollment age: 4.8 months; median pre-antiretroviral therapy follow up: 10.8 months; 603 (71%) with ≥1 CD4% recorded), event rates were comparable for those aged <6 and ≥6 months. Current CD4% was associated with risk of WHO4 events for children <6 months of age and with all evaluated events for children ≥6 months old (P < 0.05). "Background" mortality was 3.7-8.4/100 person-years (PY). "Acute" mortality (≤30 days post event) was 33.8/100 PY (after TB) and 41.1/100 PY (after WHO3 or WHO4). "Later" mortality (>30 days post event) ranged by CD4% from 4.7 to 29.1/100 PY. CONCLUSIONS In treatment-naïve, HIV-infected infants, WHO3, WHO4 and TB events were common before and after 6 months of age and led to substantial increases in mortality. Early infant HIV diagnosis and treatment are critically important, regardless of CD4%.
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Affiliation(s)
- Andrea Ciaranello
- Division of Infectious Diseases and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA
| | - Zhigang Lu
- Division of General Medicine and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA
| | - Samuel Ayaya
- Department of Child Health and Paediatrics, Moi University School of Medicine, Eldoret, KENYA
| | - Elena Losina
- Division of General Medicine and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA,Department of Orthopedic Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Beverly Musick
- Department of Biostatistics, Indiana University, Indianapolis, IN, USA
| | - Rachel Vreeman
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Kenneth A. Freedberg
- Division of Infectious Diseases and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA,Division of General Medicine and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA
| | - Elaine J. Abrams
- ICAP, Mailman School of Public Health, Columbia University and College of Physicians & Surgeons, Columbia University, NY, USA
| | - Lisa Dillabaugh
- Family AIDS Care and Education Service (FACES) program, Kisumu, KENYA, and Department of Pediatrics, University of California, San Francisco, CA, USA
| | - Katie Doherty
- Division of General Medicine and Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, USA
| | - John Ssali
- Masaka Regional Referral Hospital, AHF-Uganda Cares Masaka, Uganda
| | | | - Kara Wools-Kaloustian
- Division of Infectious Disease, Indiana University School of Medicine, Indianapolis, IN, USA
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Anyabolu HC, Adejuyigbe EA, Adeodu OO. Undernutrition and anaemia among HAART-naïve HIV infected children in Ile-Ife, Nigeria: a case-controlled, hospital based study. Pan Afr Med J 2014; 18:77. [PMID: 25400844 PMCID: PMC4231248 DOI: 10.11604/pamj.2014.18.77.3746] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Accepted: 05/06/2014] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Case control studies that assess the burden and factors associated with undernutrition and anaemia among HAART naïve HIV infected children in Nigeria is very sparse. This will help to formulate nutritional programs among these children. METHODS Seventy HAART naive HIV infected children aged 18 months and above were as well as seventy age and sex matched HIV negative children were recruited from August 2007 to January 2009 at Paediatric Clinic of Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Nigeria. Their bio data, WHO clinical stage, anthropometric measurements, haematocrit, serum albumin and CD4 counts were taken with other parameters according to a study proforma. RESULTS The prevalence of stunting, underweight and wasting among the HIV infected subjects were 48. 6%,58. 6% and 31. 4% respectively which as significantly higher than 28. 1%, 7. 1% and 28. 1% among the HIV negative controls. 20. 1% of the HIV infected children were marasmic compared to 2. 3% of the controls. Triple anthropometric failure was found in 7. 1% of the subjects as compared to none among the controls. Anaemia is significantly more prevalent among the subjects than the controls (70. 0% vs 31. 4%; p<0. 001). The prevalence of anaemia was higher in the HIV infected subjects with undernutrition. Low socioeconomic status, hypoalbuminemia and severe immunosuppression are significantly associated with higher undernutrition prevalence. CONCLUSION Several years after availability of HAART, undernutrition and anaemia remain widely prevalent among newly presenting HAART naïve HIV infected Nigerian children. Nutritional supplementation and evaluation for anaemia still need close attention in the management of these children.
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Affiliation(s)
- Henry Chineme Anyabolu
- Department of Paediatrics and Child Health, Obafemi Awolowo University, Ile-Ife, Nigeria
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Resource Utilization and Costs of Care prior to ART Initiation for Pediatric Patients in Zambia. AIDS Res Treat 2014; 2014:235483. [PMID: 24711925 PMCID: PMC3966317 DOI: 10.1155/2014/235483] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Accepted: 02/06/2014] [Indexed: 11/22/2022] Open
Abstract
Objective. We estimated time to initiation, outpatient resource use, and costs of outpatient care during the 6 months prior to ART initiation for HIV-infected pediatric patients in Zambia.
Methods. We enrolled 1,102 children who initiated ART at <15 years of age between 2006 and 2011 at 5 study sites. Of these, 832 initiated ART ≤6 months after first presenting to care at the study sites. Data on time in care and resources utilized during the 6 months prior to ART initiation were extracted from patient medical records. Costs were estimated from the provider's perspective and are reported in 2011 USD. Results. For the patients who initiated ART ≤6 months after presenting to care, median age at presentation to care was 3.9 years; median CD4 percentage was 13%. Median time to ART initiation was 26 days. Patients made, on average, 2.38 clinic visits prior to ART initiation and received 0.81 CD4 tests, 0.74 full blood count tests, and 0.49 blood chemistry tests. The mean cost of pre-ART care was $20 per patient. Conclusions. Zambian pediatric patients initiating ART ≤6 months after presenting to care do so quickly, utilize fewer resources than mandated by national guidelines, and accrue low costs.
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Lowenthal ED, Bakeera-Kitaka S, Marukutira T, Chapman J, Goldrath K, Ferrand RA. Perinatally acquired HIV infection in adolescents from sub-Saharan Africa: a review of emerging challenges. THE LANCET. INFECTIOUS DISEASES 2014; 14:627-39. [PMID: 24406145 DOI: 10.1016/s1473-3099(13)70363-3] [Citation(s) in RCA: 309] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Worldwide, more than three million children are infected with HIV, 90% of whom live in sub-Saharan Africa. As the HIV epidemic matures and antiretroviral treatment is scaled up, children with HIV are reaching adolescence in large numbers. The growing population of adolescents with perinatally acquired HIV infection living within this region presents not only unprecedented challenges but also opportunities to learn about the pathogenesis of HIV infection. In this Review, we discuss the changing epidemiology of paediatric HIV and the particular features of HIV infection in adolescents in sub-Saharan Africa. Longstanding HIV infection acquired when the immune system is not developed results in distinctive chronic clinical complications that cause severe morbidity. As well as dealing with chronic illness, HIV-infected adolescents have to confront psychosocial issues, maintain adherence to drugs, and learn to negotiate sexual relationships, while undergoing rapid physical and psychological development. Context-specific strategies for early identification of HIV infection in children and prompt linkage to care need to be developed. Clinical HIV care should integrate age-appropriate sexual and reproductive health and psychological, educational, and social services. Health-care workers will need to be trained to recognise and manage the needs of these young people so that the increasing numbers of children surviving to adolescence can access quality care beyond specialist services at low-level health-care facilities.
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Affiliation(s)
- Elizabeth D Lowenthal
- Departments of Pediatrics and Epidemiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA; Department of Paediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Botswana-UPenn Partnership, Gaborone, Botswana
| | - Sabrina Bakeera-Kitaka
- Department of Paediatrics and Child Health, Makerere University College of Health Sciences, Kampala, Uganda
| | - Tafireyi Marukutira
- Botswana-Baylor Children's Clinical Centre of Excellence, Gaborone, Botswana
| | - Jennifer Chapman
- Department of Paediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Kathryn Goldrath
- Departments of Pediatrics and Epidemiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Rashida A Ferrand
- Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK; Biomedical Research and Training Institute, Harare, Zimbabwe.
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Validation and calibration of a computer simulation model of pediatric HIV infection. PLoS One 2013; 8:e83389. [PMID: 24349503 PMCID: PMC3862684 DOI: 10.1371/journal.pone.0083389] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Accepted: 11/04/2013] [Indexed: 11/30/2022] Open
Abstract
Background Computer simulation models can project long-term patient outcomes and inform health policy. We internally validated and then calibrated a model of HIV disease in children before initiation of antiretroviral therapy to provide a framework against which to compare the impact of pediatric HIV treatment strategies. Methods We developed a patient-level (Monte Carlo) model of HIV progression among untreated children <5 years of age, using the Cost-Effectiveness of Preventing AIDS Complications model framework: the CEPAC-Pediatric model. We populated the model with data on opportunistic infection and mortality risks from the International Epidemiologic Database to Evaluate AIDS (IeDEA), with mean CD4% at birth (42%) and mean CD4% decline (1.4%/month) from the Women and Infants’ Transmission Study (WITS). We internally validated the model by varying WITS-derived CD4% data, comparing the corresponding model-generated survival curves to empirical survival curves from IeDEA, and identifying best-fitting parameter sets as those with a root-mean square error (RMSE) <0.01. We then calibrated the model to other African settings by systematically varying immunologic and HIV mortality-related input parameters. Model-generated survival curves for children aged 0-60 months were compared, again using RMSE, to UNAIDS data from >1,300 untreated, HIV-infected African children. Results In internal validation analyses, model-generated survival curves fit IeDEA data well; modeled and observed survival at 16 months of age were 91.2% and 91.1%, respectively. RMSE varied widely with variations in CD4% parameters; the best fitting parameter set (RMSE = 0.00423) resulted when CD4% was 45% at birth and declined by 6%/month (ages 0-3 months) and 0.3%/month (ages >3 months). In calibration analyses, increases in IeDEA-derived mortality risks were necessary to fit UNAIDS survival data. Conclusions The CEPAC-Pediatric model performed well in internal validation analyses. Increases in modeled mortality risks required to match UNAIDS data highlight the importance of pre-enrollment mortality in many pediatric cohort studies.
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Abstract
Since the early 1990's, the death rate from AIDS among adults has declined in most developed countries, largely because of newer antiretroviral therapies and improved access to these therapies. In addition, from 2006 to 2011, the total number of new cases of HIV infection worldwide has declined somewhat and has remained relatively constant. Nevertheless, because of the large numbers of existing and new cases of HIV infection, the dental practitioner and other healthcare practitioners will still be required to treat oral and periodontal conditions unique to HIV/AIDS as well as conventional periodontal diseases in HIV-infected adults and children. The oral and periodontal conditions most closely associated with HIV infection include oral candidiasis, oral hairy leukoplakia, Kaposi's sarcoma, salivary gland diseases, oral warts, other oral viral infections, linear gingival erythema and necrotizing gingival and periodontal diseases. While the incidence and prevalence of these oral lesions and conditions appear to be declining, in part because of antiretroviral therapy, dental and healthcare practitioners will need to continue to diagnose and treat the more conventional periodontal diseases in these HIV-infected populations. Finding low-cost and easily accessible and acceptable diagnostic and treatment approaches for both the microbiological and the inflammatory aspects of periodontal diseases in these populations are of particular importance, as the systemic spread of the local microbiota and inflammatory products of periodontal diseases may have adverse effects on both the progression of HIV infection and the effectiveness of antiretroviral therapy approaches. Developing and assessing low-cost and accessible diagnostic and treatment approaches to periodontal diseases, particularly in developing countries, will require an internationally coordinated effort to design and conduct standardized clinical trials.
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Rainwater-Lovett K, Nkamba HC, Mubiana-Mbewe M, Moore CB, Moss WJ. Immunologic risk factors for early mortality after starting antiretroviral therapy in HIV-infected Zambian children. AIDS Res Hum Retroviruses 2013; 29:479-87. [PMID: 23025633 DOI: 10.1089/aid.2012.0246] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
To explore immunologic risk factors for death within 90 days of highly active antiretroviral therapy (HAART) initiation, CD4(+) and CD8(+) T cell subsets were measured by flow cytometry and characterized by logistic regression in 149 Zambian children between 9 months and 10 years of age enrolled in a prospective, observational study of the impact of HAART on measles immunity. Of 21 children who died during follow-up, 17 (81%) had known dates of death and 16 (76%) died within 90 days of initiating HAART. Young age and low weight-for-age z-scores were associated with increased risks of mortality within 90 days of starting HAART, whereas CD4(+) T cell percentage was not associated with mortality. After adjusting for these factors, each 10% increase in CD8(+) effector T cells increased the odds of overall mortality [OR=1.43 (95% CI: 1.08, 1.90)] and was marginally associated with early mortality [OR=1.29 (95% CI: 0.97, 1.72)]. Conversely, each 10% increase in CD4(+) central memory T cells decreased the odds of overall [OR=0.06 (95% CI: 0.01, 0.59)] and early mortality [OR=0.09 (95% CI: 0.01, 0.97)]. Logistic regression prediction models demonstrated areas under the receiver-operator characteristic curves of ≥85% for early and overall mortality, with bootstrapped sensitivities of 82-85% upon validation, supporting the predictive accuracy of the models. CD4(+) and CD8(+) T cell subsets may be more accurate predictors of early mortality than CD4(+) T cell percentages and could be used to identify children who would benefit from more frequent clinical monitoring after initiating HAART.
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Affiliation(s)
- Kaitlin Rainwater-Lovett
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Hope C. Nkamba
- Virology Laboratory, University Teaching Hospital, Lusaka, Zambia
| | | | - Carolyn Bolton Moore
- Center for Infectious Disease Research-Zambia, Lusaka, Zambia
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - William J. Moss
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
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Cardoso CAA, Pinto JA, Candiani TMS, Carvalho IR, Dantas AG, Goulart EMA. Assessment of the prognostic value of the World Health Organization clinical staging system for HIV/AIDS in HIV-infected children and adolescents in a cohort in Belo Horizonte, Brazil. J Trop Pediatr 2012; 58:353-9. [PMID: 22238136 DOI: 10.1093/tropej/fmr110] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
This study aimed to evaluate the prognostic value of WHO clinical staging system in HIV-infected children and adolescents in Belo Horizonte, Brazil. WHO clinical stages were evaluated for risk of disease progression in 335 patients admitted from 1989 to 2003. In Kaplan-Meier analysis, age, clinical stage, CD4% <15% and viral load >5 log(10) were statistically significant. In Cox proportional hazards model, the relative risk of disease progression for Stage 4 at admission and in the worst moment were 3.47 [confidence interval (CI) 95% CI = 1.92-6.26] and 2.89 (95% CI = 1.44-5.79). Stages 2 and 3 were neutral as predictors of risk either of disease progression. CD4% <15% and viral load > 5 log(10) remained statistically significant in multivariate analysis. WHO clinical Stage 4 was a good predictor of risk of progression in this cohort. The findings support WHO proposition to start antiretroviral treatment for patients at a more advanced clinical stage.
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Affiliation(s)
- Claudete A Araújo Cardoso
- Pediatric, Adolescent and Maternal HIV/AIDS Group, School of Medicine, Federal University of Minas Gerais, Brazil
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Munyagwa M, Baisley K, Levin J, Brian M, Grosskurth H, Maher D. Mortality of HIV-infected and uninfected children in a longitudinal cohort in rural south-west Uganda during 8 years of follow-up. Trop Med Int Health 2012; 17:836-43. [PMID: 22591447 DOI: 10.1111/j.1365-3156.2012.03000.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To determine the impact of HIV on child mortality and explore potential risk factors for mortality among HIV-infected and HIV-exposed uninfected children in a longitudinal cohort in rural Uganda. METHODS From July 2002 to March 2010, HIV-infected and HIV-exposed uninfected children aged 6 weeks-13 years were enrolled in an open population-based clinical cohort. Antiretroviral therapy (ART) was introduced in 2005. Clinical and laboratory data were collected every 3 months. Person-years at risk were calculated from time of enrolment until earliest date of ART initiation, death or last visit. Cox regression was used to estimate hazard ratios (HR) for mortality. RESULTS Eighty-nine (30.2%) HIV-infected and 206 (69.8%) HIV-exposed but uninfected children were enrolled. Twenty-one children died. The mortality rate was six times higher in ART-naive HIV-infected children than in HIV-exposed but uninfected children (HR = 6.4, 95% CI = 2.4-16.6). Among HIV-infected children, mortality was highest in those aged <2 years. Decreasing weight-for-age Z (WAZ) score was the strongest risk factor for mortality among HIV-infected children (HR for unit decrease in WAZ = 2.6, 95% CI = 1.6-4.1). Thirty-five children (aged 7 months-15.6 years; median, 5.4 years) started ART. CONCLUSIONS Mortality among HIV-infected children was highest among those aged <2 years. Intensified efforts to prevent mother-to-child transmission of HIV and ensure early HIV diagnosis and treatment are required to decrease child mortality caused by HIV in rural Africa.
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Affiliation(s)
- Mary Munyagwa
- MRC/UVRI Uganda Research Unit on AIDS, Entebbe, Uganda.
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Railton J, Mash R. How children access antiretroviral treatment at Kgapane District Hospital, Limpopo, South Africa. S Afr Fam Pract (2004) 2012. [DOI: 10.1080/20786204.2012.10874220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- J Railton
- Division of Family Medicine and Primary Care, Stellenbosch University
| | - R Mash
- Division of Family Medicine and Primary Care, Stellenbosch University
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Sutcliffe CG, van Dijk JH, Munsanje B, Hamangaba F, Siniwymaanzi P, Thuma PE, Moss WJ. Risk factors for pre-treatment mortality among HIV-infected children in rural Zambia: a cohort study. PLoS One 2011; 6:e29294. [PMID: 22216237 PMCID: PMC3244458 DOI: 10.1371/journal.pone.0029294] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 11/24/2011] [Indexed: 11/22/2022] Open
Abstract
Background Many HIV-infected children in sub-Saharan Africa enter care at a late stage of disease. As preparation of the child and family for antiretroviral therapy (ART) can take several clinic visits, some children die prior to ART initiation. This study was undertaken to determine mortality rates and clinical predictors of mortality during the period prior to ART initiation. Methods A prospective cohort study of HIV-infected treatment-naïve children was conducted between September 2007 and September 2010 at the HIV clinic at Macha Hospital in rural Southern Province, Zambia. HIV-infected children younger than 16 years of age who were treatment-naïve at study enrollment were eligible for analysis. Mortality rates prior to ART initiation were calculated and risk factors for mortality were evaluated. Results 351 children were included in the study, of whom 210 (59.8%) were eligible for ART at study enrollment. Among children ineligible for ART at enrollment, 6 children died (mortality rate: 0.33; 95% CI:0.15, 0.74). Among children eligible at enrollment, 21 children died before initiation of ART and their mortality rate (2.73 per 100 person-years; 95% CI:1.78, 4.18) was significantly higher than among children ineligible for ART (incidence rate ratio: 8.20; 95% CI:3.20, 24.83). In both groups, mortality was highest in the first three months of follow-up. Factors associated with mortality included younger age, anemia and lower weight-for-age z-score at study enrollment. Conclusions These results underscore the need to increase efforts to identify HIV-infected children at an earlier age and stage of disease progression so they can enroll in HIV care and treatment programs prior to becoming eligible for ART and these deaths can be prevented.
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Affiliation(s)
- Catherine G Sutcliffe
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
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Musoke PM, Fergusson P. Severe malnutrition and metabolic complications of HIV-infected children in the antiretroviral era: clinical care and management in resource-limited settings. Am J Clin Nutr 2011; 94:1716S-1720S. [PMID: 22089437 PMCID: PMC3226024 DOI: 10.3945/ajcn.111.018374] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
More than 2 million children globally are living with HIV infection and >90% of these reside in sub-Saharan Africa. Severe acute malnutrition (SAM) remains a major problem for HIV-infected children who live in resource-limited settings (RLS), and SAM is an important risk factor for mortality. SAM in HIV-infected children is associated with complications including electrolyte disorders, micronutrient deficiencies, and severe infections, which contribute to the high mortality. Access to antiretroviral therapy (ART) has significantly improved the survival of HIV-infected children, although the response to ART of children with SAM remains undocumented in the literature. Immune and virologic responses to ART in RLS are similar to those of infected children in resource-rich settings, but delays in initiation of therapy have led to a high early mortality. Antiretroviral drug toxicities have been described in children who receive therapy and may affect their quality of life and long-term survival. Metabolic complications of ART include lipodystrophy, dyslipidemia, lactic acidosis, insulin resistance, and osteopenia. These complications have been well described in adults and children from developed countries, but data from RLS are limited, and these complications may be compounded by SAM. In this article we review the epidemiology, clinical presentation, and complications of SAM in HIV-infected children and the metabolic complications of HIV-infected children in the era of ART, and discuss future research priorities for RLS.
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Affiliation(s)
- Philippa M Musoke
- Department of Paediatrics and Child Health, Makerere University, Kampala, Uganda.
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Ndondoki C, Dabis F, Namale L, Becquet R, Ekouevi D, Bosse-Amani C, Arrivé E, Leroy V. Survie et évolution clinique et biologique des enfants infectés par le VIH traités par les antiretroviraux en Afrique : revue de littérature, 2004–2009. Presse Med 2011. [DOI: 10.1016/j.lpm.2010.11.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Abstract
This article is a review of the literature between 2003 (since the last workshop) and April 2009 (Beijing workshop). It focuses on the prevalence of oral lesions associated with HIV infection, oral lesions as predictors of HIV infection, oral lesions as markers of the efficacy of highly active antiretroviral treatment and quality of life, caries risk, the management of oral lesions, and epidemiologic tests for clinical significance of oral lesions.
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Affiliation(s)
| | | | - M. Coogan
- Division of Oral Microbiology, University of Witswatersrand, Johannesburg, South Africa
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Ferrand RA, Weiss HA, Nathoo K, Ndhlovu CE, Mungofa S, Munyati S, Bandason T, Gibb DM, Corbett EL. A primary care level algorithm for identifying HIV-infected adolescents in populations at high risk through mother-to-child transmission. Trop Med Int Health 2010; 16:349-55. [PMID: 21176006 PMCID: PMC3132444 DOI: 10.1111/j.1365-3156.2010.02708.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Objective To present an algorithm for primary-care health workers for identifying HIV-infected adolescents in populations at high risk through mother-to-child transmission. Methods Five hundred and six adolescent (10–18 years) attendees to two primary care clinics in Harare, Zimbabwe, were recruited. A randomly extracted ‘training’ data set (n = 251) was used to generate an algorithm using variables identified as associated with HIV through multivariable logistic regression. Performance characteristics of the algorithm were evaluated in the remaining (‘test’) records (n = 255) at different HIV prevalence rates. Results HIV prevalence was 17%, and infection was independently associated with client-reported orphanhood, past hospitalization, skin problems, presenting with sexually transmitted infection and poor functional ability. Classifying adolescents as requiring HIV testing if they reported >1 of these five criteria had 74% sensitivity and 80% specificity for HIV, with the algorithm correctly predicting the HIV status of 79% of participants. In low-HIV-prevalence settings (<2%), the algorithm would have a high negative predictive value (≥99.5%) and result in an estimated 60% decrease in the number of people needing to test to identify one HIV-infected individual, compared with universal testing. Conclusions Our simple algorithm can identify which individuals are likely to be HIV infected with sufficient accuracy to provide a screening tool for use in settings not already implementing universal testing policies among this age-group, for example immigrants to low-HIV-prevalence countries.
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Affiliation(s)
- Rashida A Ferrand
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK.
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An appraisal of indicators used to monitor the treated population in antiretroviral programmes in low-income countries. AIDS 2010; 24:2603-7. [PMID: 20683315 DOI: 10.1097/qad.0b013e32833dd0d3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Monitoring the progress of HIV programmes is vital, as services are scaled up to include increasing numbers in need of care. Globally, the presence of multiple donors at all levels of HIV care has produced vast monitoring systems. Within HIV-treatment programmes in low and middle-income countries, directly assessing long-term outcomes such as survival is problematic, so indicators are used to monitor the progress of the treated population. However, the internal, external, construct validity and predictive value of current indicators have never been evaluated. Although the burden on facility staff compiling routine monitoring reports is vast, there is uncertainty as to which indicators best monitor patient progress. This burden will grow as increasing numbers of life-cohorts are created for monitoring purposes leading to data inaccuracies and compromising the internal validity of reported indicators. Furthermore, a number of fundamental indicators, including survival and retention, may not capture the construct they intend to measure, compromising the ability of programme managers to obtain reliable estimates regarding the welfare of their population in care. It is not known which indicators can predict the longer-term outcome of the patient population, and as such, can enable managers to respond to predictors of failure early. An evaluation of current indicators is urgently needed to ensure that reported facility-level data accurately reflect the welfare of the treated population and comparisons of programme performance are meaningful.
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Ferrand RA, Munaiwa L, Matsekete J, Bandason T, Nathoo K, Ndhlovu CE, Munyati S, Cowan FM, Gibb DM, Corbett EL. Undiagnosed HIV infection among adolescents seeking primary health care in Zimbabwe. Clin Infect Dis 2010; 51:844-51. [PMID: 20804412 PMCID: PMC4578231 DOI: 10.1086/656361] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Mother-to-child transmission of human immunodeficiency virus (HIV) infection was extremely common in southern Africa during the 1990s, and a substantial minority of infected infants have survived to reach adolescence undiagnosed. Studies have shown a high prevalence of HIV infection in hospitalized adolescents who have features associated with long-standing HIV infection, including stunting and frequent minor illnesses. We therefore investigated the epidemiology of HIV infection at the primary care level. METHODS Adolescents (aged 10-18 years) attending two primary care clinics underwent HIV and Herpes simplex virus-2 (HSV-2) serological testing, clinical examination, and anthropometry. All were offered routine HIV counseling and testing. Patients attending for acute primary care (APC) who were HIV infected were asked about their risk factors. RESULTS Five hundred ninety-four participants were systematically recruited (97% participation), of whom 88 (15%) were attending for antenatal care. HIV infection prevalence was higher among APC attendees than among antenatal care attendees (17% vs 6%; P < .007), but for the prevalence of HSV-2 infection, a marker of sexually acquired HIV, the converse was true (4% vs 14%; P < .002). Seventy (81%) of 86 HIV-positive APC attendees were previously undiagnosed. They had a broad range of presenting complaints, with a median CD4 cell count of 329 cells/microL (interquartile range, 176-485 cells/microL) and a high prevalence of stunting, compared with the corresponding prevalence among HIV-negative attendees (40% vs 12%; P < .001). Maternal transmission was considered to be likely by 69 (80%) of the 86 HIV-positive APC attendees, only one of whom was HSV-2 positive. CONCLUSIONS Unrecognized HIV infection was a common cause of primary care attendance. Routine HIV counseling and testing implemented at the primary care level may provide a simple and effective way of identifying older long-term survivors of mother-to-child transmission before the onset of severe immunosuppression and irreversible complications.
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Affiliation(s)
- Rashida A Ferrand
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.
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Abstract
PURPOSE OF REVIEW Pneumonia is a leading cause of morbidity and death in HIV-infected children. The aim of this study was to review recent advances in the epidemiology, cause, management and prevention of pneumonia in HIV-infected children. RECENT FINDINGS Pneumonia remains a major cause of death and hospitalization, particularly in sub-Saharan Africa, where the paediatric HIV epidemic is concentrated. HIV-infected children have a higher risk of developing pneumonia and of more severe disease than immunocompetent children. Bacterial pathogens especially Streptococcus pneumoniae, Staphylococcus aureus and Gram-negative bacteria predominate, with rising rates of antimicrobial resistance. Mycobacterium tuberculosis is increasingly reported to cause acute pneumonia. Pneumocystis jirovecii (PCP) remains an important cause of severe pneumonia especially in infants. Viral infections, especially cytomegalovirus-associated pneumonia are common. Polymicrobial infection is increasingly recognized and associated with a worse prognosis. HIV-exposed, negative children have an increased risk of infection with opportunistic pathogens and a poorer outcome than HIV-unexposed children.Increasing access to highly active antiretroviral therapy (HAART) has reduced the incidence of severe pneumonia, eliminated most opportunistic infections and improved outcome. However, pneumonia remains the major cause of morbidity in HIV-infected children taking HAART. Standard case management guidelines are effective at decreasing mortality but require adaptation for high HIV-prevalence areas. Broad-spectrum antibiotics should be used as empiric therapy. Infants or children who are not taking pneumocystis prophylaxis should be treated for PCP.A number of general or specific preventive strategies are effective including early use of HAART at the time of HIV diagnosis, pathogen-specific immunizations, in particular pneumococcal conjugate vaccine, and antibiotic prophylaxis against PCP. SUMMARY Greater access to preventive and treatment strategies, especially PCP prophylaxis, pneumococcal immunization and HAART, are urgently needed in areas of high childhood HIV prevalence.
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Ndeezi G, Tylleskär T, Ndugwa CM, Tumwine JK. Effect of multiple micronutrient supplementation on survival of HIV-infected children in Uganda: a randomized, controlled trial. J Int AIDS Soc 2010; 13:18. [PMID: 20525230 PMCID: PMC2894007 DOI: 10.1186/1758-2652-13-18] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2009] [Accepted: 06/03/2010] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Micronutrient deficiencies compromise the survival of HIV-infected children in low-income countries. We assessed the effect of multiple micronutrient supplementation on the mortality of HIV-infected children in Uganda. METHODS In a randomized, controlled trial, 847 children aged one to five years and attending HIV clinics in Uganda were stratified by antiretroviral therapy (ART, n = 85 versus no ART, n = 762). The children were randomized to six months of either: twice the recommended dietary allowance of 14 micronutrients as the intervention arm (vitamins A, B1, B2, niacin, B6, B12, C, D and E, folate, zinc, copper, iodine and selenium); or the standard recommended dietary allowance of six multivitamins (vitamins A, D2, B1, B2, C and niacin) as a comparative "standard-of-care" arm. Mortality was analyzed at 12 months of follow up using Kaplan Meier curves and the log rank test. RESULTS Mortality at 12 months was 25 out of 426 (5.9%) children in the intervention arm and 28 out of 421 (6.7%) in the comparative arms: risk ratio 0.9 (95% CI 0.5 - 1.5). Two out of 85 (2.4%) children in the ART stratum died compared with 51 out of 762 (6.7%) in the non-ART stratum. Of those who died in the non-ART stratum, 25 of 383 (6.5%) were in the intervention arm and 26 of 379 (6.9%) in the comparative arm; risk ratio 1.0 (95% CI 0.6 - 1.6). There was no significant difference in survival at 12 months (p = 0.64, log rank test). In addition, there was no significant difference in mean weight-for-height at 12 months; 0.70 +/- 1.43 (95% CI 0.52 - 0.88) for the intervention versus 0.59 +/- 1.15 (95% CI 0.45 - 0.75) in the comparative arm. The mean CD4 cell count; 1024 +/- 592 (95% CI 942 - 1107) versus 1060 +/- 553 (95% CI 985 - 1136) was also similar between the two groups. CONCLUSIONS Twice the recommended dietary allowance of 14 micronutrients compared with a standard recommended dietary allowance of six multivitamins for six months was well tolerated, but it did not significantly alter mortality, growth or CD4 counts. Future intervention studies should carefully consider: (1) the composition and dosing of the supplements; and (2) the power needed to detect a difference between arms. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT00122941.
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Affiliation(s)
- Grace Ndeezi
- Department of Paediatrics and Child Health, Makerere University, Kampala, Uganda.
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The influence of nutritional status on the response to HAART in HIV-infected children in South Africa. Pediatr Infect Dis J 2010; 29:511-3. [PMID: 20179664 DOI: 10.1097/inf.0b013e3181d1e989] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND While the impact of HAART on growth in children is well established, the influence of prior nutritional status on the response to HAART is not well known. METHODS A retrospective study was conducted on 120 children in South Africa. Patients were divided into 3 groups (normal, moderately underweight, and severely underweight) based on weight-for-age z-scores (WAZ). Age, weight, height, CD4 cell percentage, and viral load were recorded at initiation of HAART and after 24 months of therapy. Data were analyzed using t-tests, chi tests, and one-way ANOVA. RESULTS At baseline, 58% of children were normal weight, 18% moderately underweight, and 23% severely underweight. After 24 months of HAART, WAZ improved significantly in moderately and severely underweight patient groups compared with the normal group. Height-for-age z-scores (HAZ) increased in all 3 groups with severely underweight children gaining more height than normal weight counterparts. Weight-for-height z-scores (WHZ) normalized in the severely underweight group. Mean CD4 cell percentages increased significantly in all 3 groups while viral loads decreased significantly in all groups with no differences among the groups at the end of 24 months of therapy. Of the entire cohort, 75% achieved undetectable HIV RNA viral loads. CONCLUSIONS Underlying malnutrition does not adversely affect growth, immunologic or virologic response to HAART in HIV-infected children. Underweight children exhibit an equally robust response to treatment as their well-nourished peers.
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Skin disease among human immunodeficiency virus-infected adolescents in Zimbabwe: a strong indicator of underlying HIV infection. Pediatr Infect Dis J 2010; 29:346-51. [PMID: 19940800 PMCID: PMC3428906 DOI: 10.1097/inf.0b013e3181c15da4] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Southern Africa is witnessing the emergence of an epidemic of long-term survivors of vertically acquired human immunodeficiency virus (HIV) infection presenting with untreated HIV as adolescents. Dermatologic conditions, common in both HIV-infected adults and children, have not been described in this age-group. We investigated the prevalence and spectrum of skin conditions in adolescents admitted to hospitals in Zimbabwe. METHODS A total of 301 consecutive adolescents admitted to 2 central Harare hospitals, underwent a dermatologic examination. Clinical history, HIV serology, and CD4 lymphocyte counts were obtained. Herpes simplex virus-2 serology was used as a surrogate marker for sexual activity. RESULTS : A total of 139 (46%) patients were HIV-1 antibody positive, of whom only 2 (1.4%) were herpes simplex virus-2 antibody positive. The prevalence of any skin complaint among HIV-infected and uninfected participants was 88% and 14%, respectively (odds ratio: 37.7, 95% confidence interval: 19.4-72). The most common HIV-related conditions were pruritic papular eruptions (42%) and plane warts >5% of body area (24%). Having 3 or more skin conditions, a history of recurrent skin rashes and angular cheilitis were each associated with CD4 counts <200 cells/microL (P < 0.03, P < 0.01, and P < 0.05, respectively). CONCLUSIONS Skin disease was a common and striking feature of underlying HIV-infection in hospitalized HIV-infected adolescents in Zimbabwe. In resource-poor settings with maturing epidemics, the presence of skin disease should be regarded as a strong indication for HIV testing and especially as it may reflect advanced immunosuppression. The high frequency of multiple plane warts has not previously been described, and may be a feature that distinguishes vertically-infected from horizontally-infected adolescents.
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Abstract
Glenda Gray discusses the implications of a new study that found that almost half of all adolescents hospitalized in Zimbabwe were HIV-infected.
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Causes of acute hospitalization in adolescence: burden and spectrum of HIV-related morbidity in a country with an early-onset and severe HIV epidemic: a prospective survey. PLoS Med 2010; 7:e1000178. [PMID: 20126383 PMCID: PMC2814826 DOI: 10.1371/journal.pmed.1000178] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2009] [Accepted: 12/18/2009] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Survival to older childhood with untreated, vertically acquired HIV infection, which was previously considered extremely unusual, is increasingly well described. However, the overall impact on adolescent health in settings with high HIV seroprevalence has not previously been investigated. METHODS AND FINDINGS Adolescents (aged 10-18 y) systematically recruited from acute admissions to the two public hospitals in Harare, Zimbabwe, answered a questionnaire and underwent standard investigations including HIV testing, with consent. Pre-set case-definitions defined cause of admission and underlying chronic conditions. Participation was 94%. 139 (46%) of 301 participants were HIV-positive (median age of diagnosis 12 y: interquartile range [IQR] 11-14 y), median CD4 count = 151; IQR 57-328 cells/microl), but only four (1.3%) were herpes simplex virus-2 (HSV-2) positive. Age (median 13 y: IQR 11-16 y) and sex (57% male) did not differ by HIV status, but HIV-infected participants were significantly more likely to be stunted (z-score<-2: 52% versus 23%, p<0.001), have pubertal delay (15% versus 2%, p<0.001), and be maternal orphans or have an HIV-infected mother (73% versus 17%, p<0.001). 69% of HIV-positive and 19% of HIV-negative admissions were for infections, most commonly tuberculosis and pneumonia. 84 (28%) participants had underlying heart, lung, or other chronic diseases. Case fatality rates were significantly higher for HIV-related admissions (22% versus 7%, p<0.001), and significantly associated with advanced HIV, pubertal immaturity, and chronic conditions. CONCLUSION HIV is the commonest cause of adolescent hospitalisation in Harare, mainly due to adult-spectrum opportunistic infections plus a high burden of chronic complications of paediatric HIV/AIDS. Low HSV-2 prevalence and high maternal orphanhood rates provide further evidence of long-term survival following mother-to-child transmission. Better recognition of this growing phenomenon is needed to promote earlier HIV diagnosis and care.
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Ferrand RA, Corbett EL, Wood R, Hargrove J, Ndhlovu CE, Cowan FM, Gouws E, Williams BG. AIDS among older children and adolescents in Southern Africa: projecting the time course and magnitude of the epidemic. AIDS 2009; 23:2039-46. [PMID: 19684508 PMCID: PMC3408596 DOI: 10.1097/qad.0b013e32833016ce] [Citation(s) in RCA: 149] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE An AIDS epidemic among older children and adolescents is clinically apparent in Southern Africa. We estimated the likely scale and time course of the epidemic in older survivors of vertical HIV infection. DESIGN We modelled demographic, HIV prevalence, mother-to-child transmission and child survival data to project HIV burden among older children in two Southern African countries at different stages of severe HIV epidemics. Using measured survival data for children, we estimate that 64% of HIV-infected infants are fast progressors with median survival 0.64 years and 36% are slow progressors with median survival 16.0 years. We confirmed model validity by comparing model predictions to available epidemiological data. FINDINGS Without treatment, HIV prevalence among 10-year-olds in South Africa is expected to increase from 2.1% in 2008 to 3.3% in 2020, whereas in Zimbabwe, it will decrease from 3.2% in 2008 to 1.6% in 2020. Deaths among untreated slow progressors will increase in South Africa from 7000/year in 2008 to 23 000/year in 2030, and in Zimbabwe from 8000/year in 2008 to peak at 9700/year in 2014. Drugs to prevent mother-to-child transmission could reduce death rate in 2030 to 8700/year in South Africa and to 2800/year in Zimbabwe in 2014. CONCLUSIONS A substantial epidemic of HIV/AIDS in older survivors of mother-to-child transmission is emerging in Southern Africa. The lack of direct observations of survival in slow progressors has resulted in failure to anticipate the magnitude of the epidemic and to adequately address the clinical needs of HIV-infected older children and adolescents. Better HIV diagnostic and care services for this age group are urgently required.
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Affiliation(s)
- Rashida A Ferrand
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
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Comparison of previous and present World Health Organization clinical staging criteria in HIV-infected Malawian children. AIDS 2009; 23:1913-6. [PMID: 19584702 DOI: 10.1097/qad.0b013e32832f7b39] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In many settings, HIV infected children are looked after with limited access to CD4 cell count or viral load. The decision to initiate antiretroviral therapy (ART) is made clinically, based on the WHO paediatric staging criteria, which were revised in 2006. Results of using new and old criteria were compared. Of 694 children, 626 (90.2%) fulfilled criteria to start ART when applying the new WHO staging guidelines, whereas 330 (47.6%) children were eligible for ART when using the old WHO criteria. This signifies a marked rise in the number of paediatric patients qualifying for ART on clinical grounds.
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Hughes SM, Amadi B, Mwiya M, Nkamba H, Tomkins A, Goldblatt D. Dendritic cell anergy results from endotoxemia in severe malnutrition. THE JOURNAL OF IMMUNOLOGY 2009; 183:2818-26. [PMID: 19625645 DOI: 10.4049/jimmunol.0803518] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Malnutrition predicts an increased risk of morbidity and mortality from infection. Defects in cell-mediated immunity, such as thymic atrophy, impaired cutaneous tuberculin responses, and reduced T cell mitogenesis in vitro, are well characterized. There has been no convincing mechanism proposed for these T cell defects. However, as T cell responses rely on signals received from APCs, this study evaluates dendritic cell (DC) function in children with severe malnutrition. Repeated sampling of peripheral blood from 81 severely malnourished children at the University Teaching Hospital, Lusaka, Zambia, demonstrated for the first time a defect in DC numbers in children with malnutrition (28 per microliter) and a recovery in cell number (48 per microliter; p < 0.01) with standard treatment. We describe normal DC maturation in the majority of malnourished children. However, in 17% of our study patients, in association with endotoxemia we describe the novel finding of DC maturation failure (down-regulation rather than up-regulation of HLA-DR). There was a strong correlation between the strength of HLA-DR up or down-regulation and the generation of IL-10 (r = -0.481; p = 0.003). These "anergic" DCs failed to support T cell proliferation. Defects in DC number and the immunosuppressive phenotype of DCs from severely malnourished children with endotoxemia provide a rational basis for the anergy found in severe malnutrition.
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Affiliation(s)
- Stephen Miles Hughes
- Immunobiology Unit, Centre for International Health and Development, Institute of Child Health, London, United Kingdom.
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Shet A, Mehta S, Rajagopalan N, Dinakar C, Ramesh E, Samuel NM, Indumathi CK, Fawzi WW, Kurpad AV. Anemia and growth failure among HIV-infected children in India: a retrospective analysis. BMC Pediatr 2009; 9:37. [PMID: 19531242 PMCID: PMC2702283 DOI: 10.1186/1471-2431-9-37] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2009] [Accepted: 06/16/2009] [Indexed: 12/10/2023] Open
Abstract
Background Anemia and poor nutrition have been previously described as independent risk factors for death among HIV-infected children. We sought to describe nutritional status, anemia burden and HIV disease correlates among infected children in India. Methods We analyzed retrospective data from 248 HIV-infected children aged 1–12 years attending three outpatient clinics in South India (2004–2006). Standard WHO definitions were used for anemia, HIV staging and growth parameters. Statistical analysis included chi square, t tests, univariate and multivariate logistic regression analyses. Results The overall prevalence of anemia (defined as hemoglobin < 11 gm/dL) was 66%, and 8% had severe anemia (Hb < 7 gm/dL). The proportion of underweight and stunted children in the population was 55% and 46% respectively. Independent risk factors of anemia by multivariate analysis included the pre-school age group (age younger than 6 years) (OR: 2.87; 95% CI: 1.45, 5.70; p < 0.01), rural residence (OR: 12.04; 95% CI: 5.64, 26.00; p < 0.01), advanced HIV disease stage (OR: 6.95; 95% CI: 3.06, 15.79; p < 0.01) and presence of stunting (Height-for-age Z Score < -2) (OR: 3.24; 95% CI: 1.65, 6.35; p < 0.01). Use of iron/multivitamin supplementation was protective against risk of anemia (OR: 0.44; 95% CI: 0.22, 0.90; p = 0.03). Pulmonary tuberculosis was an independent risk factor in multivariate analysis (OR: 3.36; 95% CI: 1.43, 7.89; p < 0.01) when correlated variables such as HIV disease stage and severe immunodeficiency, and nutritional supplement use were not included. Use of antiretroviral therapy (ART) was associated with a reduced risk of anemia (OR: 0.29; 95% CI: 0.16, 0.53; p < 0.01). No significant association was found between anemia and gender, cotrimoxazole, or ART type (zidovudine versus stavudine). Conclusion The high prevalence and strong interrelationship of anemia and poor nutrition among HIV-infected children in India, particularly those living in rural areas underscores the need for incorporating targeted nutritional interventions during national scale up of care, support and treatment among HIV-infected children.
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Affiliation(s)
- Anita Shet
- Department of Pediatrics, St John's National Academy of Health Sciences, Bangalore, India.
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Hughes SM, Amadi B, Mwiya M, Nkamba H, Mulundu G, Tomkins A, Goldblatt D. CD4 counts decline despite nutritional recovery in HIV-infected Zambian children with severe malnutrition. Pediatrics 2009; 123:e347-51. [PMID: 19124582 DOI: 10.1542/peds.2008-1316] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE The objective of this study was to establish the contribution that severe malnutrition makes to CD4 lymphopenia in HIV-infected and uninfected children and to determine the changes in CD4 count during nutritional rehabilitation. METHODS Fifty-six children with severe malnutrition and with and without HIV infection were recruited from a pediatric ward in Lusaka for measurement of CD4 counts on admission, on discharge, and at final nutritional recovery. RESULTS HIV-uninfected children with severe malnutrition had normal CD4 counts. In contrast, CD4 counts in HIV-infected children with severe malnutrition were reduced, more so in those without edema compared with those with edema. Mean CD4 count of HIV-infected SM children fell despite nutritional recovery so that at the time of full nutritional recovery, >85% of HIV-infected children required antiretroviral therapy. CONCLUSIONS Severe malnutrition did not reduce the CD4 counts of children without HIV. HIV-infected children with severe malnutrition may respond well to nutritional rehabilitation, despite low CD4 counts, but nearly all require early antiretroviral therapy to prevent disease progression.
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Affiliation(s)
- Stephen Miles Hughes
- Immunobiology Unit, and Centre for International Health and Development, Institute of Child Health, 30 Guilford St, London, United Kingdom, WC1N 1EH.
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Adherence to both cotrimoxazole and placebo is associated with improved survival among HIV-infected Zambian children. AIDS Behav 2009; 13:33-41. [PMID: 18401699 DOI: 10.1007/s10461-008-9382-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2007] [Accepted: 03/18/2008] [Indexed: 10/22/2022]
Abstract
In the CHAP randomized placebo-controlled trial of cotrimoxazole prophylaxis in HIV-infected Zambian children conducted between 2001 and 2003, cotrimoxazole was associated with significant mortality reductions. In a secondary analysis we used Cox regression models to estimate the association between adherence measured by bottle weights and caregiver report and subsequent mortality in children surviving >28 days (n = 496, 153 deaths). Adherence was high and similar in both cotrimoxazole and placebo groups; adherence from bottle weights was 100% at 71% of visits, while caregivers reported 100% adherence at 79% of visits. Every 10% lower adherence to cotrimoxazole or placebo measured by bottle weights was associated with a 10-11% increase in mortality risk. Effects remained after adjustment for baseline predictors of survival and for current and recent change in primary caregiver. Caregiver-reported adherence was not associated with survival. The association between bottle-weight adherence to placebo and survival is likely capturing unmeasured caregiver effects, whose identification will be essential for quantifying the impact of antiretroviral therapy (ART) adherence on clinical outcomes in children.
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Mortality and associated factors after initiation of pediatric antiretroviral treatment in the Democratic Republic of the Congo. Pediatr Infect Dis J 2009; 28:35-40. [PMID: 19057457 DOI: 10.1097/inf.0b013e318184eeb9] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE We aimed to describe factors associated with mortality among children receiving antiretroviral treatment (ART) at a pediatric hospital in Kinshasa, Democratic Republic of the Congo. RESULTS Two hundred ninety-nine children, <18 years old, were followed for a median of 77 weeks (interquartile range: 61-103) post-ART initiation. Survival probability was 89.6% [95% confidence interval (CI): 85.5-92.6%] at 12 months; 24 of 31 deaths (77.4%) occurred within 2 months of ART initiation. Predictors of mortality in bivariate analysis were >/=2 opportunistic infections before ART initiation, severe immunosuppression as defined by age-specific CD4 count or percentage criteria, hemoglobin <9 g/dL, oral candidiasis, and severe malnutrition. In multivariate analysis, weight for age z-score [hazard ratio (HR): 0.39; 95% CI: 0.27-0.61; P < 0.001] and oral candidiasis (HR: 5.86; 95% CI: 2.34-14.65; P = 0.0002) were independent predictors of mortality. Suspected septic shock was the most common cause of death (n = 12/31, 38.7%). CONCLUSIONS Children receiving ART in this resource-poor setting were at the highest risk of dying in the first 2 months of ART, particularly when they presented with malnutrition or oral candidiasis. Optimal timing of ART initiation during nutritional rehabilitation should be determined. Promotion of early care seeking, strengthened health care, and prevention services are important to further improve outcome of pediatric ART in resource-poor settings.
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Differences in Factors Associated With Initial Growth, CD4, and Viral Load Responses to ART in HIV-Infected Children in Kampala, Uganda, and the United Kingdom/Ireland. J Acquir Immune Defic Syndr 2008; 49:384-92. [DOI: 10.1097/qai.0b013e31818cdef5] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Bates M, Monze M, Bima H, Kapambwe M, Kasolo F, Gompels U. High human cytomegalovirus loads and diverse linked variable genotypes in both HIV-1 infected and exposed, but uninfected, children in Africa. Virology 2008; 382:28-36. [DOI: 10.1016/j.virol.2008.09.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2008] [Revised: 08/09/2008] [Accepted: 09/03/2008] [Indexed: 01/08/2023]
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Sutcliffe CG, Scott S, Mugala N, Ndhlovu Z, Monze M, Quinn TC, Cousens S, Griffin DE, Moss WJ. Survival from 9 months of age among HIV-infected and uninfected Zambian children prior to the availability of antiretroviral therapy. Clin Infect Dis 2008; 47:837-44. [PMID: 18680417 PMCID: PMC2753245 DOI: 10.1086/591203] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Few prospective studies have measured survival rates among human immunodeficiency virus (HIV)-infected children in sub-Saharan Africa prior to the availability of antiretroviral therapy. METHODS In the context of an observational study of the immunogenicity of measles vaccine in Zambia, we prospectively followed up children from approximately 9 months of age and assessed survival rates, risk factors for mortality, and circumstances at the time of death according to HIV-infection or HIV-exposure status. RESULTS There were 56 deaths among 492 study children during follow-up to 3 years of age. Thirty-nine percent of the 105 children with HIV infection died during the study period, compared with 5.0% of the 260 HIV-seropositive but uninfected children and 1.6% of the 127 HIV-seronegative children. Estimated survival probabilities from 9 through 36 months of age were 52% among HIV-infected children, 95% among initially HIV-seropositive but uninfected children, and 98% among HIV-seronegative children. In multivariable analyses, history of a clinic visit within the 4 weeks prior to study entry (adjusted hazard ratio, 4.6; 95% confidence interval, 1.5-13.5), hemoglobin level <8 g/dL at study entry (adjusted hazard ratio, 4.4; 95% confidence interval, 1.5-12.6), and CD4(+) T lymphocyte percentage <15% at study entry (adjusted hazard ratio, 3.2; 95% confidence interval, 1.1-9.5) were associated with mortality among HIV-infected children. CONCLUSIONS Only approximately one-half of HIV-infected Zambian children who were alive at 9 months of age survived to 3 years of age, supporting the urgent need for the prevention of mother-to-child transmission of HIV and the early diagnosis and treatment of HIV infection in children in sub-Saharan Africa.
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Affiliation(s)
| | - Susana Scott
- London School of Hygiene and Tropical Medicine, London, United Kingdom
| | | | - Zaza Ndhlovu
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - Mwaka Monze
- Virology Laboratory, University Teaching Hospital, Lusaka, Zambia
| | - Thomas C. Quinn
- Division of Infectious Diseases, School of Medicine, Johns Hopkins University, Baltimore, Maryland
- The National Institute of Allergy and Infectious Diseases, The National Institutes of Health, Bethesda, Maryland
| | - Simon Cousens
- London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Diane E. Griffin
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - William J. Moss
- Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
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Effectiveness of antiretroviral therapy among HIV-infected children in sub-Saharan Africa. THE LANCET. INFECTIOUS DISEASES 2008; 8:477-89. [PMID: 18652994 DOI: 10.1016/s1473-3099(08)70180-4] [Citation(s) in RCA: 210] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Assessment of antiretroviral treatment programmes for HIV-infected children in sub-Saharan Africa is important to enable the development of effective care and improve treatment outcomes. We review the effectiveness of paediatric antiretroviral treatment programmes in sub-Saharan Africa and discuss the implications of these findings for the care and treatment of HIV-infected children in this region. Available reports indicate that programmes in sub-Saharan Africa achieve treatment outcomes similar to those in North America and Europe. However, progress in several areas is required to improve the care of HIV-infected children in sub-Saharan Africa. The findings emphasise the need for low-cost diagnostic tests that allow for earlier identification of HIV infection in infants living in sub-Saharan Africa, improved access to antiretroviral treatment programmes, including expansion of care into rural areas, and the integration of antiretroviral treatment programmes with other health-care services, such as nutritional support.
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Abstract
OBJECTIVES To assess the importance of anemia in HIV-infected children in western and tropical settings. DESIGN A systematic review with a descriptive component. METHODS : Four databases were searched and reference lists of pertinent articles were checked. Studies that reported data on anemia or hemoglobin levels in HIV-infected children were selected and grouped according to the location and the definition of anemia. RESULTS Thirty-six studies met the inclusion criteria. Mild (hemoglobin <11 g/dl) and moderate (hemoglobin <9 g/dl) anemia were more prevalent with HIV infection (odds ratio 4.5; 95% confidence interval 2.5-8.3 and odds ratio 4.5; 95% confidence interval 2.0-10.3, respectively). Mean hemoglobin levels were lower (standardized mean difference; 0.79; 95% confidence interval 0.47-1.10). These differences were observed in both western and tropical settings. Anemia incidence ranged from 0.41 to 0.44 per person-year. There was limited data on more severe anemia (hemoglobin <7 or <5 g/dl). As anemia was frequently identified as an independent risk factor for disease progression and death, we next reviewed the limited data to formulate better strategies. Failure of erythropoiesis was the most important mechanism for anemia in HIV-infected children. Therapeutic options include highly active antiretroviral therapy and prevention or treatment of secondary infections. Erythropoietin can improve anemia in children, but it has not been evaluated in developing countries. Micronutrient supplementation may be helpful in individual children. The potential benefits or risks of iron supplementation in HIV-infected children require evaluation. CONCLUSION Anemia is a very common complication of pediatric HIV infection, associated with a poor prognosis. With the increasing global availability of highly active antiretroviral therapy, more data on the safety and efficacy of possible interventions in children are urgently needed.
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Abstract
OBJECTIVE To assess the cost-effectiveness of cotrimoxazole prophylaxis in HIV-infected children in Zambia, as implementation at the local health centre level has yet to be undertaken in many resource-limited countries despite recommendations in recent updated World Health Organization (WHO) guidelines. DESIGN A probabilistic decision analytical model of HIV/AIDS progression in children based on the CD4 cell percentage (CD4%) was populated with data from the placebo-controlled Children with HIV Antibiotic Prophylaxis trial that had reported a 43% reduction in mortality with cotrimoxazole prophylaxis in HIV-infected children aged 1-14 years. METHODS Unit costs (US$ in 2006) were measured at University Teaching Hospital, Lusaka. Cost-effectiveness expressed as cost per life-year saved, cost per quality adjusted life-year (QALY) saved, cost per disability adjusted life-year (DALY) averted was calculated across a number of different scenarios at tertiary and primary healthcare centres. RESULTS : Cotrimoxazole prophylaxis was associated with incremental cost-effectiveness ratios (ICERs) of US$72 per life-year saved, US$94 per QALY saved and US$53 per DALY averted, i.e. substantially less than a cost-effectiveness threshold of US$1019 per outcome (gross domestic product per capita, Zambia 2006). ICERs of US$5 or less per outcome demonstrate that cotrimoxazole prophylaxis is even more cost-effective at the local healthcare level. The intervention remained cost-effective in all sensitivity analyses including routine haematological and CD4% monitoring, varying starting age, AIDS status, cotrimoxazole formulation, efficacy duration and discount rates. CONCLUSION Cotrimoxazole prophylaxis in HIV-infected children is an inexpensive low technology intervention that is highly cost-effective in Zambia, strongly supporting the adoption of WHO guidelines into essential healthcare packages in low-income countries.
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Computed CD4 percentage as a low-cost method for determining pediatric antiretroviral treatment eligibility. BMC Infect Dis 2008; 8:31. [PMID: 18325119 PMCID: PMC2292192 DOI: 10.1186/1471-2334-8-31] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2007] [Accepted: 03/06/2008] [Indexed: 11/29/2022] Open
Abstract
Background The performance of the WHO recommendations for pediatric antiretroviral treatment (ART) in resource poor settings is insufficiently documented in routine care. Methods We compared clinical and immunological criteria in 366 children aged 0 to 12 years in Kinshasa and evaluated a simple computation to estimate CD4 percent, based on CD4 count, total white blood cell count and percentage lymphocytes. Kappa (κ) statistic was used to evaluate eligibility criteria and linear regression to determine trends of CD4 percent, count and total lymphocyte count (TLC). Results Agreement between clinical and immunological eligibility criteria was poor (κ = 0.26). One third of children clinically eligible for ART were ineligible using immunological criteria; one third of children immunologically eligible were ineligible using clinical criteria. Among children presenting in WHO stage I or II, 54 (32%) were eligible according to immunological criteria. Agreement with CD4 percent was poor for TLC (κ = 0.04), fair for total CD4 count (κ = 0.39) and substantial for CD4 percent computational estimate (κ = 0.71). Among 5 to 12 years old children, total CD4 count was higher in younger age groups (-32 cells/mm3 per year older), CD4 percent was similar across age groups. Conclusion Age-specific thresholds for CD4 percent optimally determine pediatric ART eligibility. The use of CD4 percent computational estimate may increase ART access in settings with limited access to CD4 percent assays.
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