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Sökning: WFRF:(Doherty Tanya)

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1.
  • Kozuki, Naoko, et al. (författare)
  • A systematic review of community-to-facility neonatal referral completion rates in Africa and Asia
  • 2015
  • Ingår i: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 15:1, s. 989-
  • Forskningsöversikt (refereegranskat)abstract
    • BACKGROUND: An estimated 2.8 million neonatal deaths occur annually worldwide. The vulnerability of newborns makes the timeliness of seeking and receiving care critical for neonatal survival and prevention of long-term sequelae. To better understand the role active referrals by community health workers play in neonatal careseeking, we synthesize data on referral completion rates for neonates with danger signs predictive of mortality or major morbidity in low- and middle-income countries.METHODS: A systematic review was conducted in May 2014 of the following databases: Medline-PubMed, Embase, and WHO databases. We also searched grey literature. In addition, an investigator group was established to identify unpublished data on newborn referral and completion rates. Inquiries were made to the network of research groups supported by Save the Children's Saving Newborn Lives project and other relevant research groups.RESULTS: Three Sub-Saharan African and five South Asian studies reported data on community-to-facility referral completion rates. The studies varied on factors such as referral rates, the assessed danger signs, frequency of home visits in the neonatal period, and what was done to facilitate referrals. Neonatal referral completion rates ranged from 34 to 97 %, with the median rate of 74 %. Four studies reported data on the early neonatal period; early neonatal completion rates ranged from 46 to 97 %, with a median of 70 %. The definition of referral completion differed by studies, in aspects such as where the newborns were referred to and what was considered timely completion.CONCLUSIONS: Existing literature reports a wide range of neonatal referral completion rates in Sub-Saharan Africa and South Asia following active illness surveillance. Interpreting these referral completion rates is challenging due to the great variation in study design and context. Often, what qualifies as referral and/or referral completion is poorly defined, which makes it difficult to aggregate existing data to draw appropriate conclusions that can inform programs. Further research is necessary to continue highlighting ways for programs, governments, and policymakers to best aid families in low-resource settings in protecting their newborns from major health consequences.
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  • Chopra, Mickey, et al. (författare)
  • Survival of infants in the context of prevention of mother to child HIV transmission in South Africa
  • 2010
  • Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 99:5, s. 694-698
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: We sought to study the survival of newborn children according to HIV status of the mother, that of the child and the timing of infection. Methods: This is a prospective cohort study of 883 mothers (665 HIV-positive and 218 HIV-negative) and their infants. Data were collected using semi-structured questionnaires during home visits between the antenatal period and 36 weeks post-delivery. Infant HIV status was determined at 3, 24 and 36 weeks by HIV DNA PCR. Results: The majority (81.3%) of infected infants who died were infected by 3 weeks of age. Of the HIV-exposed infants who died, 19 (28.4%) died before 6 weeks and 38 (56.7%) died by 12 weeks. The hazard ratio (HR) of mortality at 36 weeks of age in HIV-infected infants compared with exposed but negative infants was 8.9 (95% CI: 6.7-11.8). There was no significant difference in 36 week survival rates between HIV-non-exposed and HIV-exposed but negative infants (HR: 0.7; 95% CI: 0.3-1.5). The infant being HIV-positive at age 3 weeks (HR: 32 95% CI: 14.0-73.1) and rural site (HR: 4.4 95% CI: 1.2-23.4) were the two independent risk factors for infant death amongst HIV-exposed infants. Conclusion: The prognosis for infants with early HIV infection was very poor in this cohort. A greater focus on prevention of early infection, earlier screening for HIV infection and access to antiretrovirals for eligible infants is recommended.
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  • Daniels, Karen, et al. (författare)
  • Supervision of community peer counsellors for infant feeding in South Africa : an exploratory qualitative study
  • 2010
  • Ingår i: Human Resources for Health. - : Springer Science and Business Media LLC. - 1478-4491. ; 8, s. 6-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Recent years have seen a re-emergence of community health worker (CHW) interventions, especially in relation to HIV care, and in increasing coverage of child health interventions. Such programmes can be particularly appealing in the face of human resource shortages and fragmented health systems. However, do we know enough about how these interventions function in order to support the investment? While research based on strong quantitative study designs such as randomised controlled trials increasingly document their impact, there has been less empirical analysis of the internal mechanisms through which CHW interventions succeed or fail. Qualitative process evaluations can help fill this gap. Methods: This qualitative paper reports on the experience of three CHW supervisors who were responsible for supporting infant feeding peer counsellors. The intervention took place in three diverse settings in South Africa. Each setting employed one CHW supervisor, each of whom was individually interviewed for this study. The study forms part of the process evaluation of a large-scale randomized controlled trial of infant feeding peer counselling support. Results: Our findings highlight the complexities of supervising and supporting CHWs. In order to facilitate effective infant feeding peer counselling, supervisors in this study had to move beyond mere technical management of the intervention to broader people management. While their capacity to achieve this was based on their own prior experience, it was enhanced through being supported themselves. In turn, resource limitations and concerns over safety and being in a rural setting were raised as some of the challenges to supervision. Adding to the complexity was the issue of HIV. Supervisors not only had to support CHWs in their attempts to offer peer counselling to mothers who were potentially HIV positive, but they also had to deal with supporting HIV-positive peer counsellors. Conclusions: This study highlights the need to pay attention to the experiences of supervisors so as to better understand the components of supervision in the field. Such understanding can enhance future policy making, planning and implementation of peer community health worker programmes.
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  • Doherty, Tanya, et al. (författare)
  • A Longitudinal Qualitative Study of Infant-Feeding Decision Making and Practices among HIV-Positive Women in South Africa
  • 2006
  • Ingår i: Journal of Nutrition. - 0022-3166 .- 1541-6100. ; 136:9, s. 2421-2426
  • Tidskriftsartikel (refereegranskat)abstract
    • This study examined the challenges that HIV-positive women face at different stages of early infant feeding using a longitudinal, qualitative design. The study explored factors influencing infant-feeding decision-making and behavior of HIV positive mothers and identified characteristics of women and their environments that contributed to success in maintaining exclusivity of their infant feeding practices. The study was undertaken at 3 sites in South Africa. Participants consisted of a purposive sample of 27 women who had a positive HIV test result during antenatal care and were intending to either exclusively breast-feed or exclusively formula-feed their infants. Women were interviewed once antenatally and at 1, 4, 6, and 12 wk postpartum. Just under one-half of the women who initiated breast-feeding maintained exclusivity and over two-thirds of the women who initiated formula-feeding maintained exclusivity. Key characteristics of women who achieved success in exclusivity included the ability to resist pressure from the family to introduce other fluids and to recall key messages on mother-to-child transmission risks and mixed feeding. Among women who maintained exclusive breast-feeding, a strong belief in the benefits of breast-feeding and a supportive home environment was important. For women using formula milk, having resources such as electricity, a kettle, and flask made feeding at night easier. Support for infant feeding that extends beyond the antenatal period is important to enable mothers to cope with new challenges and pressures at critical times during the early postpartum period.
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  • Doherty, Tanya, et al. (författare)
  • Early cessation of breastfeeding amongst women in South Africa : an area needing urgent attention to improve child health
  • 2012
  • Ingår i: BMC Pediatrics. - : Springer Science and Business Media LLC. - 1471-2431. ; 12, s. 105-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Breastfeeding is a critical component of interventions to reduce child mortality. Exclusive breastfeeding practice is extremely low in South Africa and there has been no improvement in this over the past ten years largely due to fears of HIV transmission. Early cessation of breastfeeding has been found to have negative effects on child morbidity and survival in several studies in Africa. This paper reports on determinants of early breastfeeding cessation among women in South Africa.Methods: This is a sub group analysis of a community-based cluster-randomized trial (PROMISE EBF) promoting exclusive breastfeeding in three South African sites (Paarl in the Western Cape Province, and Umlazi and Rietvlei in KwaZulu-Natal) between 2006 and 2008 (ClinicalTrials.gov no: NCT00397150). Infant feeding recall of 22 food and fluid items was collected at 3, 6, 12 and 24 weeks postpartum. Women's experiences of breast health problems were also collected at the same time points. 999 women who ever breastfed were included in the analysis. Univariable and multivariable logistic regression analysis adjusting for site, arm and cluster, was performed to determine predictors of stopping breastfeeding by 12 weeks postpartum.Results: By 12 weeks postpartum, 20% of HIV-negative women and 40% of HIV-positive women had stopped all breastfeeding. About a third of women introduced other fluids, most commonly formula milk, within the first 3 days after birth. Antenatal intention not to breastfeed and being undecided about how to feed were most strongly associated with stopping breastfeeding by 12 weeks (Adjusted odds ratio, AOR 5.6, 95% CI 3.4 - 9.5 and AOR 4.1, 95% CI 1.6 - 10.8, respectively). Also important was self-reported breast health problems associated with a 3-fold risk of stopping breastfeeding (AOR 3.1, 95% CI 1.7 - 5.7) and the mother having her own income doubled the risk of stopping breastfeeding (AOR 1.9, 95% CI 1.3 - 2.8).Conclusion: Early cessation of breastfeeding is common amongst both HIV-negative and positive women in South Africa. There is an urgent need to improve antenatal breastfeeding counselling taking into account the challenges faced by working women as well as early postnatal lactation support to prevent breast health problems.
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  • Doherty, Tanya, et al. (författare)
  • Effectiveness of the WHO/UNICEF guidelines on infant feeding for HIV-positive women : results from a prospective cohort study in South Africa
  • 2007
  • Ingår i: AIDS. - 0269-9370 .- 1473-5571. ; 21:13, s. 1791-1797
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The World Health Organization (WHO) and UNICEF recommend that HIV-positive women should avoid all breastfeeding only if replacement feeding is acceptable, feasible, affordable, sustainable and safe. Little is known about the effectiveness of the implementation of these guidelines in developing country settings. OBJECTIVE: To identify criteria to guide appropriate infant-feeding choices and to assess the effect of inappropriate choices on infant HIV-free survival. METHOD: Prospective cohort study of 635 HIV-positive mother-infant pairs across three sites in South Africa to assess mother to child transmission of HIV. Semistructured questionnaires were used during home visits between the antenatal period and 36 weeks after delivery to collect data concerning appropriateness of infant feeding choices based on the WHO/UNICEF recommendations. RESULTS: Three criteria were found to be associated with improved infant HIV-free survival amongst women choosing to formula feed: piped water; electricity, gas or paraffin for fuel; and disclosing HIV status. Using these criteria as a measure of appropriateness of choice: 95 of 311 women who met the criteria (30.5%) chose to breastfeed and 195 of 289 women who did not meet the criteria (67.4%) chose to formula feed. Infants of women who chose to formula feed without fulfilling these three criteria had the highest risk of HIV transmission/death (hazard ratio, 3.63; 95% confidence interval, 1.48-8.89). CONCLUSIONS: Within operational settings, the WHO/UNICEF guidelines were not being implemented effectively, leading to inappropriate infant-feeding choices and consequent lower infant HIV-free survival. Counselling of mothers should include an assessment of individual and environmental criteria to support appropriate infant-feeding choices.
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