Browsing by Author "Goga, Ameena"
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Item Addressing the tensions and complexities involved in commissioning and undertaking implementation research in low- and middle-income countries(BMJ, 2018) Doherty, Tanya; Lewin, Simon; Kinney, Mary; Sanders, David; Mathews, Cathy; Daviaud, Emmanuelle; Goga, Ameena; Bhana, Arvin; Besada, Donela; Vanleeuw, Lieve; Loveday, Marian; Odendaal, Willem; Leon, NatalieRapid scale-up of new policies and guidelines, in the context of weak health systems in low/middle-income countries (LMIC), has led to greater interest and funding for implementation research. Implementation research in LMICs is often commissioned by institutions from high-income countries but increasingly undertaken by LMIC-based research institutions. Commissioned implementation research to evaluate large-scale, donor-funded health interventions in LMICs may hold tensions with respect to the interests of the researchers, the commissioning agency, implementers and the country government. We propose key questions that could help researchers navigate and minimise the potential conflicts of commissioned implementation research in an LMIC setting.Item Allergy and infant feeding guidelines in the context of resource-constrained settings(American Academy of Allergy, Asthma and Immunology, 2016) Levin, Michael; Goga, Ameena; Doherty, Tanya; Coovadia, Hoosen; Sanders, David; Green, Robin J.; Kling, SharonRecent discussions about the need for revised infant feeding guidelines in the context of allergy are founded in substantial evidence-based research. Key studies (Table I)1-5 undertaken in high-income country settings provide evidence that the introduction of allergenic foods (eg, cow’s milk protein, egg, peanuts, fish, sesame, and wheat) to infant diets before the age of 6 months might significantly reduce the risk of food allergy at older ages. Although such a strategy does not promote supplanting breastfeeding with the introduction of a diverse set of foods early on, it will shorten the duration of exclusive breast-feeding [EBF], replacing it with ‘‘partial breast-feeding,’’ the combination of breast-feeding with other fluids or solids, and most likely lead to a reduction in overall duration of breast-feeding.Item Community paediatrics and child health(Health & Medical Publishing Group, 2015) Goga, Ameena; Feucht, Ute; Hendricks, Michael; Westwood, Anthony; Saloojee, Haroon; Swingler, George; McKerrow, Neil; Sanders, DavidTO THE EDITOR: In 2012, the Postgraduate Education Committee of the Health Professions Council of South Africa (HPCSA) supported the accreditation of Community Paediatrics and Child Health (CPCH) as a paediatric subspecialty; however, full HPCSA approval is outstanding. Consequently, by February 2015 there had been no visible progress towards implementation. Power and Heese and Swingler et al. highlighted the benefits of CPCH, rendering further debates about CPCH accreditation unnecessary, particularly in a country where: (i) progress towards the fourth Millennium Development Goal is slow; (ii) glaring gaps exist between hospital-based and community care, and between private and public sector care;[3] and (iii) current under- and postgraduate paediatric training emphasises clinical subspecialties (despite reduced public sector posts), yielding graduates with limited knowledge about priority child health conditions. Primary healthcare re-engineering and the establishment of district clinical specialist teams in South Africa have starkly revealed the urgency of CPCH training. CPCH locates child health within a sociocultural-economic-political-environmental-systemic paradigm. Successful community paediatricians share four characteristics: (i) academic collaboration; (ii) finding evidencebased local solutions; (iii) establishing strong community-based partnerships; and (iv) addressing disease outside traditional biomedical models. This suggests that our sometimes narrow approach to under- and postgraduate training needs significant adaptation. The British Association for Community Child Health, affiliated to the Royal College of Paediatricians, is a successful model we can adapt. This custodian of community paediatrics directs traineeships, stipulates requirements and outlines the scope of the discipline.Item Correction to: Effects of early feeding on growth velocity and overweight/obesity in a cohort of HIV unexposed South African infants and children(BioMed Central, 2017) Ramokolo, Vundli; Lombard, Carl; Chhagan, Meera; Engebretsen, Ingunn M.S.; Doherty, Tanya; Goga, Ameena; Fadnes, Lars Thore; Zembe, Wanga; Jackson, Debra; Van den Broeck, JanAfter publication of this article [1] it was brought to our attention that there were errors in the text under the heading ‘Data cleaning’, and in Table 3. The corrected text and updated Table 3 are given in this erratum.Item The effectiveness and cost-effectiveness of community-based support for adolescents receiving antiretroviral treatment: an operational research study in South Africa(Wiley Open Access, 2018) Fatti, Geoffrey; Jackson, Debra; Goga, Ameena; Shaikh, Najma; Eley, Brian; Nachega, Jean B.; Grimwood, AshrafINTRODUCTION: Adolescents and youth receiving antiretroviral treatment (ART) in sub-Saharan Africa have high attrition and inadequate ART outcomes, and evaluations of interventions improving ART outcomes amongst adolescents are very limited. Sustainable Development Goal (SDG) target 3c is to substantially increase the health workforce in developing countries. We measured the effectiveness and cost-effectiveness of community-based support (CBS) provided by lay health workers for adolescents and youth receiving ART in South Africa. METHODS: A retrospective cohort study including adolescents and youth who initiated ART at 47 facilities. Previously unemployed CBS-workers provided home-based ART-related education, psychosocial support, symptom screening for opportunistic infections and support to access government grants. Outcomes were compared between participants who received CBS plus standard clinic-based care versus participants who received standard care only. Cumulative incidences of all-cause mortality and loss to follow-up (LTFU), adherence measured using medication possession ratios (MPRs), CD4 count slope, and virological suppression were analysed using multivariable Cox, competing-risks regression, generalized estimating equations and mixedeffects models over five years of ART. An expenditure approach was used to determine the incremental cost of CBS to usual care from a provider perspective. Incremental cost-effectiveness ratios were calculated as annual cost per patient-loss (through death or LTFU) averted. RESULTS: Amongst 6706 participants included, 2100 (31.3%) received CBS. Participants who received CBS had reduced mortality, adjusted hazard ratio (aHR) = 0.52 (95% CI: 0.37 to 0.73; p < 0.0001). Cumulative LTFU was 40% lower amongst participants receiving CBS (29.9%) compared to participants without CBS (38.9%), aHR = 0.60 (95% CI: 0.51 to 0.71); p < 0.0001). The effectiveness of CBS in reducing attrition ranged from 42.2% after one year to 35.9% after five years. Virological suppression was similar after three years, but after five years 18.8% CBS participants versus 37.2% non-CBS participants failed to achieve viral suppression, adjusted odds ratio = 0.24 (95% CI: 0.06 to 1.03). There were no significant differences in MPR or CD4 slope. The cost of CBS was US$49.5/patient/year. The incremental cost per patient-loss averted was US$600 and US$776 after one and two years, respectively. CONCLUSIONS: CBS for adolescents and youth receiving ART was associated with substantially reduced patient attrition, and is a low-cost intervention with reasonable cost-effectiveness that can aid progress towards several health, economic and equality- related SDG targets.Item Eliminating mother to child HIV transmission in South Africa(World Health Organization (WHO), 2013) Barron, Peter; Pillay, Yogan; Jackson, Debra; Doherty, Tanya; Sherman, Gail; Bhardwaj, Sanjana; Robinson, Precious; Goga, AmeenaPROBLEM: The World Health Organization has produced clear guidelines for the prevention of mother-to-child transmission (PMTCT) of the human immunodeficiency virus (HIV). However, ensuring that all PMTCT programme components are implemented to a high quality in all facilities presents challenges. APPROACH: Although South Africa initiated its PMTCT programme in 2002, later than most other countries, political support has increased since 2008. Operational research has received more attention and objective data have been used more effectively. LOCAL SETTING: In 2010, around 30% of all pregnant women in South Africa were HIV-positive and half of all deaths in children younger than 5 years were associated with the virus. RELEVANT CHANGES: Between 2008 and 2011, the estimated proportion of HIV-exposed infants younger than 2 months who underwent routine polymerase chain reaction (PCR) tests to detect early HIV transmission increased from 36.6% to 70.4%. The estimated HIV transmission rate decreased from 9.6% to 2.8%. Population-based surveys in 2010 and 2011 reported transmission rates of 3.5% and 2.7%, respectively. LESSONS LEARNT: Critical actions for improving programme outcomes included: ensuring rapid implementation of changes in PMTCT policy at the field level through training and guideline dissemination; ensuring good coordination with technical partners, such as international health agencies and international and local nongovernmental organizations; and making use of data and indicators on all aspects of the PMTCT programme. Enabling health-care staff at primary care facilities to initiate antiretroviral therapy and expanding laboratory services for measuring CD4+ T-cell counts and for PCR testing were also helpful.Item Evaluation of the effectiveness of the national Prevention of Mother-to-Child Transmission (PMTCT) programme on infant HIV measured at six weeks postpartum in South Africa(South African Medical Research Council, National Department of Health South Africa and PEPFAR/US Centers for Disease Control & Prevention, 2012) Goga, Ameena; Dinh, Thu-Ha; Jackson, DebraAims and Objectives: The overall aim of this evaluation was to conduct a national facility-based survey to monitor the effectiveness of the South African National PMTCT programme. The primary objective was to measure rates of early MTCT of HIV at six weeks postpartum. The secondary objective was to periodically estimate coverage of key PMTCT interventions and services (e.g., HIV testing, CD4 cell count testing, infant antiretroviral (ARV) prophylaxis, infant feeding counselling).Item Exclusive breastfeeding promotion by peer counsellors in sub-Saharan Africa (PROMISE-EBF): a cluster-randomised trial(Elsevier, 2011) Tylleskar, Thorkild; Jackson, Debra; Meda, Nicolas; Ingrebetsen, Ingunn Marie S; Chopra, Mickey; Diallo, Abdoulaye Hama; Doherty, Tanya; Ekström, Eva-Charlotte; Fadnes, Lars Thore; Goga, Ameena; Kankasa, Chipepo; Klungsøyr, Jørn I; Lombard, Carl; Nankabirwa, Victoria; Nankunda, Jolly K; Van de Perre, Philippe; Sanders, David; Shanmugam, Rebecca; Sommerfelt, Halvor; Wamani, Henry; Tumwine, James K; PROMISE-EBF Study GroupBackground: Exclusive breastfeeding (EBF) is reported to be a life-saving intervention in low-income settings. The effect of breastfeeding counselling by peer counsellors was assessed in Africa. Methods:24 communities in Burkina Faso, 24 in Uganda, and 34 in South Africa were assigned in a 1:1 ratio, by use of a computer-generated randomisation sequence, to the control or intervention clusters. In the intervention group, we scheduled one antenatal breastfeeding peer counselling visit and four post-delivery visits by trained peers. The data gathering team were masked to the intervention allocation. The primary outcomes were prevalance of EBF and diarrhoea reported by mothers for infants aged 12 weeks and 24 weeks. Country-specific prevalence ratios were adjusted for cluster effects and sites. Analysis was by intention to treat. This study is registered with ClinicalTrials.gov, number NCT00397150. Findings 2579 mother–infant pairs were assigned to the intervention or control clusters in Burkina Faso (n=392 and n=402, respectively), Uganda (n=396 and n=369, respectively), and South Africa (n=535 and 485, respectively). The EBF prevalences based on 24-h recall at 12 weeks in the intervention and control clusters were 310 (79%) of 392 and 139 (35%) of 402, respectively, in Burkina Faso (prevalence ratio 2·29, 95% CI 1·33–3·92); 323 (82%) of 396 and 161 (44%) of 369, respectively, in Uganda (1·89, 1·70–2·11); and 56 (10%) of 535 and 30 (6%) of 485, respectively, in South Africa (1·72, 1·12–2·63). The EBF prevalences based on 7-day recall in the intervention and control clusters were 300 (77%) and 94 (23%), respectively, in Burkina Faso (3·27, 2·13–5·03); 305 (77%) and 125 (34%), respectively, in Uganda (2·30, 2·00–2·65); and 41 (8%) and 19 (4%), respectively, in South Africa (1·98, 1·30–3·02). At 24 weeks, the prevalences based on 24-h recall were 286 (73%) in the intervention cluster and 88 (22%) in the control cluster in Burkina Faso (3·33, 1·74–6·38); 232 (59%) and 57 (15%), respectively, in Uganda (3·83, 2·97–4·95); and 12 (2%) and two (<1%), respectively, in South Africa (5·70, 1·33–24·26). The prevalences based on 7-day recall were 279 (71%) in the intervention cluster and 38 (9%) in the control cluster in Burkina Faso (7·53, 4·42–12·82); 203 (51%) and 41 (11%), respectively, in Uganda (4·66, 3·35–6·49); and ten (2%) and one (<1%), respectively, in South Africa (9·83, 1·40–69·14). Diarrhoea prevalence at age 12 weeks in the intervention and control clusters was 20 (5%) and 36 (9%), respectively, in Burkina Faso (0·57, 0·27–1·22); 39 (10%) and 32 (9%), respectively, in Uganda (1·13, 0·81–1·59); and 45 (8%) and 33 (7%), respectively, in South Africa (1·16, 0·78–1·75). The prevalence at age 24 weeks in the intervention and control clusters was 26 (7%) and 32 (8%), respectively, in Burkina Faso (0·83, 0·45–1·54); 52 (13%) and 59 (16%), respectively, in Uganda (0·82, 0·58–1·15); and 54 (10%) and 33 (7%), respectively, in South Africa (1·31, 0·89–1·93). Interpretation: Low-intensity individual breastfeeding peer counselling is achievable and, although it does not affect the diarrhoea prevalence, can be used to effectively increase EBF prevalence in many sub-Saharan African settings.Item “If donors woke up tomorrow and said we can't fund you, what would we do?” A health system dynamics analysis of implementation of PMTCT option B+ in Uganda.(BioMed Central, 2017) Doherty, Tanya; Besada, Donela; Goga, Ameena; Daviaud, Emmanuelle; Rohde, Sarah; Raphaely, NikaBACKGROUND: In October 2012 Uganda extended its prevention of mother to child HIV transmission (PMTCT) policy to Option B+, providing lifelong antiretroviral treatment for HIV positive pregnant and breastfeeding women. The rapid changes and adoptions of new PMTCT policies have not been accompanied by health systems research to explore health system preparedness to implement such programmes. The implementation of Option B+ provides many lessons which can inform the shift to ‘Universal Test and Treat’, a policy which many sub-Saharan African countries are preparing to adopt, despite fragile health systems. METHODS: This qualitative study of PMTCT Option B+ implementation in Uganda three years following the policy adoption, uses the health system dynamics framework to explore the impacts of this programme on ten elements of the health system. Qualitative data were gathered through rapid appraisal during in-country field work. Key informant interviews and focus group discussions (FGDs) were undertaken with the Ministry of Health, implementing partners, multilateral agencies, district management teams, facility-based health workers and community cadres. A total of 82 individual interviews and 16 focus group discussions were completed. We conducted a simple manifest analysis, using the ten elements of a health system for grouping data into categories and themes. RESULTS: Of the ten elements in the health system dynamics framework, context and resources (finances, infrastructure & supplies, and human resources) were the most influential in the implementation of Option B+ in Uganda. Support from international actors and implementing partners attempted to strengthen resources at district level, but had unintended consequences of creating dependence and uncertainty regarding sustainability. CONCLUSIONS: The health system dynamics framework offers a novel approach to analysis of the effects of implementation of a new policy on critical elements of the health system. Its emphasis on relationships between system elements, population and context is helpful in unpacking impacts of and reactions to pressures on the system, which adds value beyond some previous frameworks.Item Low HIV incidence in pregnant and postpartum women receiving a community-based combination HIV prevention intervention in a high HIV incidence setting in South Africa(Public Library of Science, 2017) Fatti, Geoffrey; Shaikh, Najma; Jackson, Debra; Goga, Ameena; Nachega, Jean B.; Eley, Brian; Grimwood, AshrafBACKGROUND Young Southern African women have the highest HIV incidence globally. Pregnancy doubles the risk of HIV acquisition further, and maternal HIV acquisition contributes significantly to the paediatric HIV burden. Little data on combination HIV prevention interventions during pregnancy and lactation are available. We measured HIV incidence amongst pregnant and postpartum women receiving a community-based combination HIV prevention intervention in a high HIV incidence setting in South Africa. METHODS A cohort study that included HIV-uninfected pregnant women was performed. Lay community- based workers provided individualized HIV prevention counselling and performed three-monthly home and clinic-based individual and couples HIV testing. Male partners were referred for circumcision, sexually transmitted infections or HIV treatment as appropriate. Kaplan-Meier analyses and Cox's regression were used to estimate HIV incidence and factors associated with HIV acquisition. RESULTS The 1356 women included (median age 22.5 years) received 5289 HIV tests. Eleven new HIV infections were detected over 828.3 person-years (PY) of follow-up, with an HIV incidence rate of 1.33 infections/100 PY (95% CI: 0.74±2.40). Antenatally, the HIV incidence rate was 1.49 infections/100 PY (95% CI: 0.64±2.93) and postnatally the HIV incidence rate was 1.03 infections/100 PY (95% CI: 0.33±3.19). 53% of male partners received HIV testing and 66% of eligible partners received referral for circumcision. Women within known serodiscordant couples, and women with newly diagnosed HIV-infected partners, adjusted hazard ratio (aHR) = 32.7 (95% CI: 3.8±282.2) and aHR = 126.4 (95% CI: 33.8±472.2) had substantially increased HIV acquisition, respectively. Women with circumcised partners had a reduced risk of incident HIV infection, aHR = 0.22 (95% CI: 0.03±1.86). CONCLUSIONS Maternal HIV incidence was substantially lower than previous regional studies. Communitybased combination HIV prevention interventions may reduce high maternal HIV incidence in resource-poor settings. Expanded roll-out of home-based couples HIV testing and initiating pre-exposure prophylaxis for pregnant women within serodiscordant couples is needed in Southern Africa.Item Roles played by community cadres to support retention in PMTCT Option B+ in four African countries: a qualitative rapid appraisal(BMJ Publishing Group, 2018) Besada, Donela; Goga, Ameena; Daviaud, Emmanuelle; Rohde, Sarah; Chinkonde, Jacqueline Rose; Villeneuve, Susie; Clarysse, Guy; Raphaely, Nika; Okokwu, Steve; Tumwesigye, Nathan; Daries, Nathalie; Doherty, TanyaOBJECTIVES To explore the roles of community cadres in improving access to and retention in care for PMTCT (prevent mother-to-child transmission of HIV) services in the context of PMTCT Option B+ treatment scale-up in high burden low-income and lower-middle income countries. DESIGN/METHODS Qualitative rapid appraisal study design using semistructured in-depth interviews and focus group discussions (FGDs) between 8 June and 31 July 2015. SETTING AND PARTICIPANTS Interviews were conducted in the offices of Ministry of Health Staff, Implementing partners, district offices and health facility sites across four low-income and lower-middle income countries: Cote D’Ivoire, Democratic Republic of Congo (DRC), Malawi and Uganda. A range of individual interviews and FGDs with key stakeholders including Ministry of Health employees, Implementation partners, district management teams, facility-based health workers and community cadres. A total number of 18, 28, 31 and 83 individual interviews were conducted in Malawi, Cote d’Ivoire, DRC and Uganda, respectively. A total number of 15, 9, 10 and 16 mixed gender FGDs were undertaken in Malawi, Cote d’Ivoire, DRC and Uganda, respectively. RESULTS Community cadres either operated solely in the community, worked from health centres or in combination and their mandates were PMTCT-specific or included general HIV support and other health issues. Community cadres included volunteers, those supported by implementing partners or employed directly by the Ministry of Health. Their complimentary roles along the continuum of HIV care and treatment include demand creation, household mapping of pregnant and lactating women, linkage to care, infant follow-up and adherence and retention support. CONCLUSIONS Community cadres provide an integral link between communities and health facilities, supporting overstretched health workers in HIV client support and follow-up. However, their role in health systems is neither standardised nor systematic and there is an urgent need to invest in the standardisation of and support to community cadres to maximise potential health impacts.Item Strategies to improve male involvement in PMTCT Option B+ in four African countries: a qualitative rapid appraisal(Taylor & Francis Open, 2016) Besada, Donela; Rohde, Sarah; Goga, Ameena; Raphaely, Nika; Daviaud, Emmanuelle; Ramokolo, Vundli; Magasana, Vuyolwethu; Noveve, Nobuntu; Doherty, TanyaBACKGROUND: The World Health Organization recommends that antiretroviral therapy be started as soon as possible, irrespective of stage of HIV infection. This ‘test and treat’ approach highlights the need to ensure that men are involved in prevention of mother-to-child HIV transmission (PMTCT). This article presents findings from a rapid appraisal of strategies to increase male partner involvement in PMTCT services in Uganda, Democratic Republic of Congo, Malawi, and Coˆ te d’Ivoire in the context of scale-up of Option B protocol. DESIGN: Data were collected through qualitative rapid appraisal using focus groups and individual interviews during field visits to the four countries. Interviews were conducted in the capital city with Ministry of Health staff and implementing partners (IPs) and at district level with district management teams, facility-based health workers and community health cadres in each country. RESULTS: Common strategies were adopted across the countries to effect social change and engender greater participation of men in maternal, child and women’s health, and PMTCT services. Community-based strategies included engagement of community leaders through dialogue and social mobilization, involving community health workers and the creation and strengthening of male peer cadres. Facility-based strategies included provision of incentives such as shorter waiting time, facilitating access for men by altering clinic hours, and creation of family support groups. CONCLUSIONS: The approaches implemented at both community and facility levels were tailored to the local context, taking into account cultural norms and geographic regional variations. Although intentions behind such strategies aim to have positive impacts on families, unintended negative consequences do occur, and these need to be addressed and strategies adapted. A consistent definition of ‘male involvement’ in PMTCT services and a framework of indicators would be helpful to capture the impact of strategies on cultural and behavioral shifts. National policies around male involvement would be beneficial to streamline approaches across IPs and ensure wide-scale implementation, to achieve significant improvements in family health outcomes.Item Uptake and predictors of early postnatal follow–up care amongst mother–baby pairs in South Africa: Results from three population–based surveys, 2010–2013(Edinburgh University Global Health Society, 2017) Larsen, Anna; Cheyip, Mireille; Aynalem, Getahun; Dinh, Thu–ha; Jackson, Debra; Ngandu, Nobubelo Kwanele; Chirinda, Witness; Mogashoa, Mary; Kindra, Gupreet; Lombard, Carl; Goga, AmeenaBACKGROUND Achieving World Health Organization (WHO) recommendations for postnatal care (PNC) within the first few weeks of life is vital to eliminating early mother–to–child transmission of HIV (MTCT) and improving infant health. Almost half of the annual global deaths among children under five occur during the first six weeks of life. This study aims to identify uptake of three PNC visits within the first six weeks of life as recommended by WHO among South African mother–infant pairs, and factors associated with uptake. METHODS We analyzed data from three facility–based, nationally representative surveys (2010, 2011/12 and 2012/13) primarily designed to determine the effectiveness of the South African program to prevent MTCT. This analysis describes the proportion of infants achieving the WHO recommendation of at least 3 PNC visits. Interviews from 27 699 HIV–negative and HIV–positive mothers of infants aged 4–8 weeks receiving their six week immunization were included in analysis. Data were analyzed using STATA 13.0 and weighted for sample ascertainment and South African live births. We fitted a multivariable logistic regression model to estimate factors associated with early PNC uptake. RESULTS Over half (59.6%, 95% confidence interval (CI) = 59.0–60.3) of mother–infant pairs received the recommended three PNC visits during the first 6 weeks; uptake was 63.1% (95% CI = 61.9–64.3) amongst HIV exposed infants and 58.1% (95% CI = 57.3–58.9) amongst HIV unexposed infants. Uptake of early PNC improved significantly with each survey, but varied significantly by province. Multivariable analysis of the pooled data, controlling for survey year, demonstrated that number of antenatal visits (4+ vs <4 Adjusted odds ratio (aOR) = 1.13, 95% CI = 1.04–1.23), timing of initial antenatal visits (≤12 weeks vs >12 weeks, aOR = 1.13, 95% CI = 1.04–1.23), place of delivery (clinic vs hospital aOR = 1.5, 1.3–1.6), and infant HIV exposure (exposed vs unexposed aOR = 1.2, 95% CI = 1.1–1.2) were the key factors associated with receiving recommended PNC visits. CONCLUSIONS Approximately 40% of neonates did not receive three or more postnatal care visits in the first 6 weeks of life from 2010–2013. To improve uptake of early PNC, early antenatal booking, more frequent antenatal care attendance, and attention to HIV negative women is needed.