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https://www.readbyqxmd.com/read/29771634/existence-and-functionality-of-national-immunisation-technical-advisory-groups-in-africa-from-2010-to-2016
#1
Alison Wiyeh, Evanson Sambala, Ntombehnle Ngcobo, Charles S Wiysonge
We describe the existence and functionality of National Immunisation Technical Advisory Groups (NITAGs) in Africa between 2010 and 2016, using data from the WHO-UNICEF Joint Reporting Form. The number of African countries with NITAGs increased from 15 (28%) in 2010 to 26 (48%) in 2016. Countries with a functioning NITAG increased from 5(9%) in 2010 to 16 (30%) in 2016. In 2016, 13 of the 27 (48%) low-income African countries reported having a NITAG; seven (54%) of them functional. Thirteen of the 26 (50%) middle-income countries reported having a NITAG; nine (69%) of them functional...
May 17, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29771595/mainstreaming-implementation-science-into-immunization-systems-in-the-decade-of-vaccines-a-programmatic-imperative-for-the-african-region
#2
Abdu A Adamu, Aishatu L Adamu, Abdulkarim I Dahiru, Olalekan A Uthman, Charles S Wiysonge
Several innovations that can improve immunization systems already exist. Some interventions target service consumers within communities to raise awareness, build trust, improve understanding, remind caregivers, reward service users, and improve communication. Other interventions target health facilities to improve access and quality of vaccination services among others. Despite available empirical evidence, there is a delay in translating innovations into routine practice by immunization programmes. Drawing on an existing implementation science framework, we propose an interactive, and multi-perspective model to improve uptake and utilization of available immunization-related innovations in the African region...
May 17, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29718769/effect-of-maternal-hiv-status-on-vaccination-coverage-among-sub-saharan-african-children-a-socio-ecological-analysis
#3
Olatunji O Adetokunboh, Olalekan A Uthman, Charles S Wiysonge
We investigated the relationship between maternal HIV status and uptake of the full series of three doses of diphtheria-tetanus-pertussis containing vaccines (DTP3) in sub-Saharan African children. We used data obtained from demographic and health surveys conducted in sub-Saharan Africa. We conducted meta-analysis and calculated pooled odds ratios (OR) for the association between maternal HIV status and DTP3 vaccination status for each country. A total of 4,187 out of 5,537 children of women living with HIV received DTP3 (75...
May 2, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29688133/decomposing-the-gap-in-missed-opportunities-for-vaccination-between-poor-and-non-poor-in-sub-saharan-africa-a-multicountry-analyses
#4
Duduzile Ndwandwe, Olalekan A Uthman, Abdu Adamu, Evanson Z Sambala, Alison B Wiyeh, Tawa Olukade, Ghose Bishwajit, Sanni Yaya, Jean-Marie Okwo-Bele, Charles S Wiysonge
Understanding the gaps in missed opportunities for vaccination (MOV) between poor and non-poor in sub-Saharan Africa (SSA) would enable an understanding of factors associated with interventions for improving immunisation coverage to achieving universal childhood immunisation. We aimed to conduct a multicountry analyses to decompose the gap in MOV between poor and non-poor in SSA. We used cross-sectional data from 35 Demographic and Health Surveys in SSA conducted between 2007 and 2016. Descriptive statistics used to understand the gap in MOV between the urban poor and non-poor, and across the selected covariates...
April 24, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29680199/a-systematic-review-of-strategies-for-reducing-missed-opportunities-for-vaccination
#5
REVIEW
Anelisa Jaca, Lindi Mathebula, Arthur Iweze, Elizabeth Pienaar, Charles S Wiysonge
BACKGROUND: Missed opportunities for vaccination (MOVs) occur when persons eligible for vaccination visit a health facility and do not get the vaccines they need. We conducted a systematic review to assess effects of interventions for reducing MOVs. METHODS: We searched PubMed, Scopus, and the Cochrane Central Register of Controlled Trials in April 2017. Three authors independently screened search outputs, reviewed potentially eligible papers, assessed risk of bias, and extracted data; resolving disagreements by consensus...
April 18, 2018: Vaccine
https://www.readbyqxmd.com/read/29617173/vaccine-hesitancy-a-potential-threat-to-the-achievements-of-vaccination-programmes-in-africa
#6
Sara Cooper, Cornelia Betsch, Evanson Z Sambala, Nosicelo Mchiza, Charles S Wiysonge
Vaccination programmes in Africa have made extraordinary progress over the last four decades. Yet, vaccine hesitancy threatens to erode these gains. Vaccine hesitancy is a continuum between vaccine acceptance and refusal. A growing number of people in Africa are delaying or refusing recommended vaccines for themselves or their children, even when safe and effective vaccines are available. This predisposes communities to infectious diseases, resulting in multiple disease outbreaks, ultimately consuming resources and costing lives...
April 4, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29581211/effects-of-vaccines-in-patients-with-sickle-cell-disease-a-systematic-review-protocol
#7
Alison Beriliy Wiyeh, Leila Hussein Abdullahi, Ambroise Wonkam, Charles Shey Wiysonge, Mamadou Kaba
INTRODUCTION: Sickle cell disease (SCD) is an inherited haematological disorder caused by a single point mutation (Glub6Val) that promotes polymerisation of haemoglobin S and sickling of erythrocytes. Inflammation, haemolysis, microvascular obstruction and organ damage characterise the highly variable clinical expression of SCD. People with SCD are at increased risk of severe infections, hence the need for vaccination against common disease-causing organisms in this population. We aim to review the evidence on the efficacy and safety of vaccines in people with SCD...
March 25, 2018: BMJ Open
https://www.readbyqxmd.com/read/29580159/a-systematic-review-and-meta-analysis-of-the-effects-of-educating-parents-on-the-benefits-and-schedules-of-childhood-vaccinations-in-low-and-middle-income-countries
#8
Lungeni Auguy Lukusa, Valantine Ngum Ndze, Nyanyiwe Masingi Mbeye, Charles Shey Wiysonge
Public health benefits of childhood vaccinations risk being derailed by low vaccination coverage in low and middle-income countries. One reason for the low coverage is poor parental knowledge of the importance of completing vaccination schedules. We therefore assessed the effects on childhood vaccination coverage, of educating parents and other persons assuming the parental role. We prospectively registered the systematic review, published the protocol, and used standard Cochrane methods to collect and synthesise the evidence...
March 26, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29544510/a-comparative-evaluation-of-pdq-evidence
#9
Marit Johansen, Gabriel Rada, Sarah Rosenbaum, Elizabeth Paulsen, Nkengafac Villyen Motaze, Newton Opiyo, Charles S Wiysonge, Yunpeng Ding, Fidele K Mukinda, Andrew D Oxman
BACKGROUND: A strategy for minimising the time and obstacles to accessing systematic reviews of health system evidence is to collect them in a freely available database and make them easy to find through a simple 'Google-style' search interface. PDQ-Evidence was developed in this way. The objective of this study was to compare PDQ-Evidence to six other databases, namely Cochrane Library, EVIPNet VHL, Google Scholar, Health Systems Evidence, PubMed and Trip. METHODS: We recruited healthcare policy-makers, managers and health researchers in low-, middle- and high-income countries...
March 15, 2018: Health Research Policy and Systems
https://www.readbyqxmd.com/read/29107356/a-systematic-review-of-the-efficacy-and-safety-of-intrapericardial-fibrinolysis-in-patients-with-pericardial-effusion
#10
Alison B Wiyeh, Eleanor A Ochodo, Charles S Wiysonge, Aloysious Kakia, Abolade A Awotedu, Arsen Ristic, Bongani M Mayosi
Pericardial effusion is the abnormal accumulation of fluid in the pericardial space. The complications of pericardial effusion can either be acute (e.g., cardiac tamponade) or chronic (e.g., constrictive pericarditis). We have conducted a systematic review of the scientific literature to evaluate the efficacy and safety of intrapericardial fibrinolysis in preventing complications of pericardial effusion. We searched for both published and unpublished studies. 29 studies, with a total of 109 patients were included in this review; 17 case reports, 11 case series, and one randomised controlled trial (RCT)...
October 26, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29037580/a-cross-sectional-survey-to-evaluate-knowledge-attitudes-and-practices-regarding-seasonal-influenza-and-influenza-vaccination-among-diabetics-in-pretoria-south-africa
#11
Olawale D Olatunbosun, Tonya M Esterhuizen, Charles S Wiysonge
BACKGROUND: In South Africa, influenza vaccination is recommended to all diabetics. However, vaccination coverage among diabetics remains low. Therefore, this study aimed to explore the knowledge, attitudes, and practices among people with diabetes in Pretoria regarding seasonal influenza and influenza vaccination. METHOD: A cross-sectional survey was conducted among type 1 and 2 diabetes mellitus patients who attended diabetic clinics in two major tertiary hospitals in Pretoria, South Africa from October to December 2015...
November 7, 2017: Vaccine
https://www.readbyqxmd.com/read/28902412/interventions-for-treating-tuberculous-pericarditis
#12
REVIEW
Charles S Wiysonge, Mpiko Ntsekhe, Lehana Thabane, Jimmy Volmink, Dumisani Majombozi, Freedom Gumedze, Shaheen Pandie, Bongani M Mayosi
BACKGROUND: Tuberculous pericarditis can impair the heart's function and cause death; long term, it can cause the membrane to fibrose and constrict causing heart failure. In addition to antituberculous chemotherapy, treatments include corticosteroids, drainage, and surgery. OBJECTIVES: To assess the effects of treatments for tuberculous pericarditis. SEARCH METHODS: We searched the Cochrane Infectious Diseases Group Specialized Register (27 March 2017); the Cochrane Central Register of Controlled Trials (CENTRAL), published in the Cochrane Library (2017, Issue 2); MEDLINE (1966 to 27 March 2017); Embase (1974 to 27 March 2017); and LILACS (1982 to 27 March 2017)...
September 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28901005/delivery-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#13
REVIEW
Agustín Ciapponi, Simon Lewin, Cristian A Herrera, Newton Opiyo, Tomas Pantoja, Elizabeth Paulsen, Gabriel Rada, Charles S Wiysonge, Gabriel Bastías, Lilian Dudley, Signe Flottorp, Marie-Pierre Gagnon, Sebastian Garcia Marti, Claire Glenton, Charles I Okwundu, Blanca Peñaloza, Fatima Suleman, Andrew D Oxman
BACKGROUND: Delivery arrangements include changes in who receives care and when, who provides care, the working conditions of those who provide care, coordination of care amongst different providers, where care is provided, the use of information and communication technology to deliver care, and quality and safety systems. How services are delivered can have impacts on the effectiveness, efficiency and equity of health systems. This broad overview of the findings of systematic reviews can help policymakers and other stakeholders identify strategies for addressing problems and improve the delivery of services...
September 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28895659/implementation-strategies-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#14
REVIEW
Tomas Pantoja, Newton Opiyo, Simon Lewin, Elizabeth Paulsen, Agustín Ciapponi, Charles S Wiysonge, Cristian A Herrera, Gabriel Rada, Blanca Peñaloza, Lilian Dudley, Marie-Pierre Gagnon, Sebastian Garcia Marti, Andrew D Oxman
BACKGROUND: A key function of health systems is implementing interventions to improve health, but coverage of essential health interventions remains low in low-income countries. Implementing interventions can be challenging, particularly if it entails complex changes in clinical routines; in collaborative patterns among different healthcare providers and disciplines; in the behaviour of providers, patients or other stakeholders; or in the organisation of care. Decision-makers may use a range of strategies to implement health interventions, and these choices should be based on evidence of the strategies' effectiveness...
September 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28895125/governance-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#15
REVIEW
Cristian A Herrera, Simon Lewin, Elizabeth Paulsen, Agustín Ciapponi, Newton Opiyo, Tomas Pantoja, Gabriel Rada, Charles S Wiysonge, Gabriel Bastías, Sebastian Garcia Marti, Charles I Okwundu, Blanca Peñaloza, Andrew D Oxman
BACKGROUND: Governance arrangements include changes in rules or processes that determine authority and accountability for health policies, organisations, commercial products and health professionals, as well as the involvement of stakeholders in decision-making. Changes in governance arrangements can affect health and related goals in numerous ways, generally through changes in authority, accountability, openness, participation and coherence. A broad overview of the findings of systematic reviews can help policymakers, their technical support staff and other stakeholders to identify strategies for addressing problems and improving the governance of their health systems...
September 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28891235/financial-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#16
REVIEW
Charles S Wiysonge, Elizabeth Paulsen, Simon Lewin, Agustín Ciapponi, Cristian A Herrera, Newton Opiyo, Tomas Pantoja, Gabriel Rada, Andrew D Oxman
BACKGROUND: One target of the Sustainable Development Goals is to achieve "universal health coverage, including financial risk protection, access to quality essential health-care services and access to safe, effective, quality and affordable essential medicines and vaccines for all". A fundamental concern of governments in striving for this goal is how to finance such a health system. This concern is very relevant for low-income countries. OBJECTIVES: To provide an overview of the evidence from up-to-date systematic reviews about the effects of financial arrangements for health systems in low-income countries...
September 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28880995/vitamin-a-supplements-for-reducing-mother-to-child-hiv-transmission
#17
REVIEW
Charles S Wiysonge, Valantine N Ndze, Eugene J Kongnyuy, Muki S Shey
BACKGROUND: Strategies to reduce the risk of mother-to-child transmission of the human immunodeficiency virus (HIV) include lifelong antiretroviral therapy (ART) for HIV-positive women, exclusive breastfeeding from birth for six weeks plus nevirapine or replacement feeding plus nevirapine from birth for four to six weeks, elective Caesarean section delivery, and avoiding giving children chewed food. In some settings, these interventions may not be practical, feasible, or affordable. Simple, inexpensive, and effective interventions (that could potentially be implemented even in the absence of prenatal HIV testing programmes) would be valuable...
September 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28867841/promoting-evidence-based-health-care-in-africa
#18
(no author information available yet)
Countries with major public health challenges do not always base their health-care decisions on the best available scientific evidence. Charles Shey Wiysonge tells Fiona Fleck how he and his colleagues are trying to change that.
September 1, 2017: Bulletin of the World Health Organization
https://www.readbyqxmd.com/read/28851770/shifting-tasks-from-pharmacy-to-non-pharmacy-personnel-for-providing-antiretroviral-therapy-to-people-living-with-hiv-a-systematic-review-and-meta-analysis
#19
Nyanyiwe Masingi Mbeye, Olatunji Adetokunboh, Eyerusalem Negussie, Tamara Kredo, Charles Shey Wiysonge
OBJECTIVES: Lay people or non-pharmacy health workers with training could dispense antiretroviral therapy (ART) in resource-constrained countries, freeing up time for pharmacists to focus on more technical tasks. We assessed the effectiveness of such task-shifting in low-income and middle-income countries. METHOD: We conducted comprehensive searches of peer-reviewed and grey literature. Two authors independently screened search outputs, selected controlled trials, extracted data and resolved discrepancies by consensus...
August 29, 2017: BMJ Open
https://www.readbyqxmd.com/read/28756403/cochrane-corner-beta-blockers-for-hypertension
#20
EDITORIAL
Charles S Wiysonge, Hazel A Bradley, Jimmy Volmink, Bongani M Mayosi
No abstract text is available yet for this article.
February 2018: Heart: Official Journal of the British Cardiac Society
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