34 results on '"James Buchan"'
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2. Human Resources for Health in Conflict Affected Settings: A Scoping Review of Primary Peer Reviewed Publications 2016–2022
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Olivier Onvlee, Maryse Kok, James Buchan, Marjolein Dieleman, Mariam Hamza, and Christopher Herbst
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health workforce ,health policy ,health labour market ,health systems ,war ,hrh ,Public aspects of medicine ,RA1-1270 - Abstract
Background Conflict has devastating effects on health systems, especially on healthcare workers (HCWs) working in under-resourced and hostile environments. However, little evidence is available on how policy-makers, often together with development partners, can optimize the organization of the health workforce and support HCWs to deliver accessible and trustworthy health services in conflict-affected settings (CAS).Methods A scoping review was conducted to review recent evidence (2016-2022) on human resources for health (HRH) in CAS, and critically discuss HRH challenges in these settings. Thirty-six studies were included in the review and results were presented using an adapted version of the health labour market (HLM) framework.Results Evidence from CAS highlights that conflict causes specific constraints in both the education sector and in the HLM, and deepens any existing disconnect between those sectors. Parallel and inadequate education and performance management systems, attacks on health facilities, and increased workload and stress, amongst other factors, affect HCW motivation, performance, distribution, and attrition. Short-term, narrowly focused policy-making undermines the long-term sustainability and resilience of the health workforce in CAS, and also contributes to the limited and narrow available research base.Conclusion While HRH and workforce issues in CAS include those found in many other low- and middle-income countries (LMICs), an additional set of challenges for HCWs, governance dynamics and institutional constraints in CAS ‘multiply’ negative effects on the health workforce. HRH policies, programmes and interventions must be aligned with the political and broader societal context, including the stage, severity and other dynamics of conflict. During conflict, it is important to try to monitor in- and outflow of HCWs and provide HCWs the support they need at local level or through remote measures. The post-conflict situation may present opportunities for improvement in HRH, but a clear understanding of political economy dynamics is required to better act on any such a window of opportunity.
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- 2023
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3. Achieving universal health coverage and sustainable development goals by 2030: investment estimates to increase production of health professionals in India
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Anup Karan, Himanshu Negandhi, Mehnaz Kabeer, Tomas Zapata, Dilip Mairembam, Hilde De Graeve, James Buchan, and Sanjay Zodpey
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Health workforce ,Human resources for health ,Investment in health ,India ,Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background COVID-19 has reinforced the importance of having a sufficient, well-distributed and competent health workforce. In addition to improving health outcomes, increased investment in health has the potential to generate employment, increase labour productivity and foster economic growth. We estimate the required investment for increasing the production of the health workforce in India for achieving the UHC/SDGs. Methods We used data from National Health Workforce Account 2018, Periodic Labour Force Survey 2018–19, population projection of Census of India, and government documents and reports. We distinguish between total stock of health professionals and active health workforce. We estimated current shortages in the health workforce using WHO and ILO recommended health worker:population ratio thresholds and extrapolated the supply of health workforce till 2030, using a range of scenarios of production of doctors and nurses/midwives. Using unit costs of opening a new medical college/nursing institute, we estimated the required levels of investment to bridge the potential gap in the health workforce. Results To meet the threshold of 34.5 skilled health workers per 10 000 population, there will be a shortfall of 0.16 million doctors and 0.65 million nurses/midwives in the total stock and 0.57 million doctors and 1.98 million nurses/midwives in active health workforce by the year 2030. The shortages are higher when compared with a higher threshold of 44.5 health workers per 10 000 population. The estimated investment for the required increase in the production of health workforce ranges from INR 523 billion to 2 580 billion for doctors and INR 1 096 billion for nurses/midwives. Such investment during 2021–2025 has the potential of an additional employment generation within the health sector to the tune of 5.4 million and to contribute to national income to the extent of INR 3 429 billion annually. Conclusion India needs to significantly increase the production of doctors and nurses/midwives through investing in opening up new medical colleges. Nursing sector should be prioritized to encourage talents to join nursing profession and provide quality education. India needs to set up a benchmark for skill-mix ratio and provide attractive employment opportunities in the health sector to increase the demand and absorb the new graduates.
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- 2023
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4. Leadership in HRH: remembering the future?
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Inês Fronteira, James Buchan, Mario Roberto Dal Poz, and Paulo Ferrinho
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Published
- 2022
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5. Size, composition and distribution of health workforce in India: why, and where to invest?
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Anup Karan, Himanshu Negandhi, Suhaib Hussain, Tomas Zapata, Dilip Mairembam, Hilde De Graeve, James Buchan, and Sanjay Zodpey
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Health workforce ,Human resource for health ,Investment in health ,India ,Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Investment in human resources for health not only strengthens the health system, but also generates employment and contributes to economic growth. India can gain from enhanced investment in health workforce in multiple ways. This study in addition to presenting updated estimates on size and composition of health workforce, identifies areas of investment in health workforce in India. Methods We analyzed two sources of data: (i) National Health Workforce Account (NHWA) 2018 and (ii) Periodic Labour Force Survey 2017–2018 of the National Sample Survey Office (NSSO). Using the two sources, we collated comparable estimates of different categories of health workers in India, density of health workforce and skill-mix at the all India and state levels. Results The study estimated (from NHWA 2018) a total stock of 5.76 million health workers which included allopathic doctors (1.16 million), nurses/midwives (2.34 million), pharmacist (1.20 million), dentists (0.27 million), and traditional medical practitioner (AYUSH 0.79 million). However, the active health workforce size estimated (NSSO 2017–2018) is much lower (3.12 million) with allopathic doctors and nurses/midwives estimated as 0.80 million and 1.40 million, respectively. Stock density of doctor and nurses/midwives are 8.8 and 17.7, respectively, per 10,000 persons as per NHWA. However, active health workers’ density (estimated from NSSO) of doctor and nurses/midwives are estimated to be 6.1 and 10.6, respectively. The numbers further drop to 5.0 and 6.0, respectively, after accounting for the adequate qualifications. All these estimates are well below the WHO threshold of 44.5 doctor, nurses and midwives per 10,000 population. The results reflected highly skewed distribution of health workforce across states, rural–urban and public–private sectors. A substantial proportion of active health worker were found not adequately qualified on the one hand and on the other more than 20% of qualified health professionals are not active in labor markets. Conclusion India needs to invest in HRH for increasing the number of active health workers and also improve the skill-mix which requires investment in professional colleges and technical education. India also needs encouraging qualified health professionals to join the labor markets and additional trainings and skill building for already working but inadequately qualified health workers.
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- 2021
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6. Optimizing the contributions of nursing and midwifery workforces: #Protect, #Invest, #Together
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James Buchan, James Campbell, and Carey McCarthy
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Published
- 2021
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7. Tracking the leavers: towards a better understanding of doctor migration from Ireland to Australia 2008–2018
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Niamh Humphries, John Connell, Joel Negin, and James Buchan
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background The recession of 2008 triggered large-scale emigration from Ireland. Australia emerged as a popular destination for Irish emigrants and for Irish-trained doctors. This paper illustrates the impact that such an external shock can have on the medical workforce and demonstrates how cross-national data sharing can assist the source country to better understand doctor emigration trends. Method This study draws on Australian immigration, registration and census data to highlight doctor migration flows from Ireland to Australia, 2008–2018. Findings General population migration from Ireland to Australia increased following the 2008 recession, peaked between 2011 and 2013 before returning to pre-2008 levels by 2014, in line with the general economic recovery in Ireland. Doctor emigration from Ireland to Australia did not follow the same pattern, but rather increased in 2008 and increased year on year since 2014. In 2018, 326 Irish doctors obtained working visas for Australia. That doctor migration is out of sync with general economic conditions in Ireland and with wider migration patterns indicates that it is influenced by factors other than evolving economic conditions in Ireland, perhaps factors relating to the health system. Discussion Doctor emigration from Ireland to Australia has not decreased in line with improved economic conditions in Ireland, indicating that other factors are driving and sustaining doctor emigration. This paper considers some of these factors. Largescale doctor emigration has significant implications for the Irish health system; representing a brain drain of talent, generating a need for replacement migration and a high dependence on internationally trained doctors. This paper illustrates how source countries, such as Ireland, can use destination country data to inform an evidence-based policy response to doctor emigration.
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- 2019
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8. Nurses in expanded roles to strengthen community-based health promotion and chronic care: policy implications from an international perspective; A commentary
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Claudia B. Maier, Hannah Budde, and James Buchan
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Health workforce ,Community ,Nurses ,Advanced practice nurses ,Health promotion ,Chronic disease ,Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Chronic conditions and health inequalities are increasing worldwide. Against this backdrop, several countries, including Israel, have expanded the roles of nurses as one measure to strengthen the primary care workforce. In Israel, community nurses work in expanded roles with increased responsibilities for patients with chronic conditions. They also work increasingly in the field of health promotion and disease prevention. Common barriers to role change in Israel are mirrored by other countries. Barriers include legal and financial restrictions, resistance by professional associations, inflexible labor markets and lack of resources. Policies should be revisited and aligned across education, financing and labor markets, to enable nurses to practice in the expanded roles. Financial incentives can accelerate the uptake of new, expanded roles so that all patients including vulnerable population groups, benefit from equitable and patient-centered service delivery in the communities.
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- 2018
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9. Understanding nurses’ dual practice: a scoping review of what we know and what we still need to ask on nurses holding multiple jobs
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Giuliano Russo, Inês Fronteira, Tiago Silva Jesus, and James Buchan
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Nurses dual practice ,Multiple job-holding ,Moonlighting ,Human resources for health ,Private health sector ,Nurses ,Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Mounting evidence suggests that holding multiple concurrent jobs in public and private (dual practice) is common among health workers in low- as well as high-income countries. Nurses are world’s largest health professional workforce and a critical resource for achieving Universal Health Coverage. Nonetheless, little is known about nurses’ engagement with dual practice. Methods We conducted a scoping review of the literature on nurses’ dual practice with the objective of generating hypotheses on its nature and consequences, and define a research agenda on the phenomenon. The Arksey and O’Malley’s methodological steps were followed to develop the research questions, identify relevant studies, include/exclude studies, extract the data, and report the findings. PRISMA guidelines were additionally used to conduct the review and report on results. Results Of the initial 194 records identified, a total of 35 met the inclusion criteria for nurses’ dual practice; the vast majority (65%) were peer-reviewed publications, followed by nursing magazine publications (19%), reports, and doctoral dissertations. Twenty publications focused on high-income countries, 16 on low- or middle-income ones, and two had a multi country perspective. Although holding multiple jobs not always amounted to dual practice, several ways were found for public-sector nurses to engage concomitantly in public and private employments, in regulated as well as in informal, casual fashions. Some of these forms were reported as particularly prevalent, from over 50% in Australia, Canada, and the UK, to 28% in South Africa. The opportunity to increase a meagre salary, but also a dissatisfaction with the main job and the flexibility offered by multiple job-holding arrangements, were among the reported reasons for engaging in these practices. Discussion and conclusions Limited and mostly circumstantial evidence exists on nurses’ dual practice, with the few existing studies suggesting that the phenomenon is likely to be very common and carry implications for health systems and nurses’ welfare worldwide. We offer an agenda for future research to consolidate the existing evidence and to further explore nurses’ motivation; without a better understanding of nurse dual practice, this will continue to be a largely ‘hidden’ element in nursing workforce policy and practice, with an unclear impact on the delivery of care.
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- 2018
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10. Research to support evidence-informed decisions on optimizing the contributions of nursing and midwifery workforces
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James Buchan, James Campbell, and Carey McCarthy
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Published
- 2020
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11. Correction to: Optimizing the contributions of nursing and midwifery workforces: #Protect, #Invest, #Together
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James Buchan, James Campbell, and Carey McCarthy
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
An amendment to this paper has been published and can be accessed via the original article.
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- 2021
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12. Human resources for health and universal health coverage: fostering equity and effective coverage
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James Campbell, James Buchan, Giorgio Cometto, Benedict David, Gilles Dussault, Helga Fogstad, Ines Fronteira, Rafael Lozano, Frank Nyonator, Ariel Pablos-Mendez, Estelle E Quain, Ann Starrs, and Viroj Tangcharoensathien
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Public aspects of medicine ,RA1-1270 - Abstract
Achieving universal health coverage (UHC) involves distributing resources, especially human resources for health (HRH), to match population needs. This paper explores the policy lessons on HRH from four countries that have achieved sustained improvements in UHC: Brazil, Ghana, Mexico and Thailand. Its purpose is to inform global policy and financial commitments on HRH in support of UHC. The paper reports on country experiences using an analytical framework that examines effective coverage in relation to the availability, accessibility, acceptability and quality (AAAQ) of HRH. The AAAQ dimensions make it possible to perform tracing analysis on HRH policy actions since 1990 in the four countries of interest in relation to national trends in workforce numbers and population mortality rates. The findings inform key principles for evidence-based decision-making on HRH in support of UHC. First, HRH are critical to the expansion of health service coverage and the package of benefits; second, HRH strategies in each of the AAAQ dimensions collectively support achievements in effective coverage; and third, success is achieved through partnerships involving health and non-health actors. Facing the unprecedented health and development challenges that affect all countries and transforming HRH evidence into policy and practice must be at the heart of UHC and the post-2015 development agenda. It is a political imperative requiring national commitment and leadership to maximize the impact of available financial and human resources, and improve healthy life expectancy, with the recognition that improvements in health care are enabled by a health workforce that is fit for purpose.
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- 2013
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13. Early implementation of WHO recommendations for the retention of health workers in remote and rural areas
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James Buchan, Ian D Couper, Viroj Tangcharoensathien, Khampasong Thepannya, Wanda Jaskiewicz, Galina Perfilieva, and Carmen Dolea
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Public aspects of medicine ,RA1-1270 - Abstract
The maldistribution of health workers between urban and rural areas is a policy concern in virtually all countries. It prevents equitable access to health services, can contribute to increased health-care costs and underutilization of health professional skills in urban areas, and is a barrier to universal health coverage. To address this long-standing concern, the World Health Organization (WHO) has issued global recommendations to improve the rural recruitment and retention of the health workforce. This paper presents experiences with local and regional adaptation and adoption of WHO recommendations. It highlights challenges and lessons learnt in implementation in two countries – the Lao People's Democratic Republic and South Africa – and provides a broader perspective in two regions – Asia and Europe. At country level, the use of the recommendations facilitated a more structured and focused policy dialogue, which resulted in the development and adoption of more relevant and evidence-based policies. At regional level, the recommendations sparked a more sustained effort for cross-country policy assessment and joint learning. There is a need for impact assessment and evaluation that focus on the links between the rural availability of health workers and universal health coverage. The effects of any health-financing reforms on incentive structures for health workers will also have to be assessed if the central role of more equitably distributed health workers in achieving universal health coverage is to be supported.
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- 2013
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14. Nurses in advanced roles: a review of acceptability in Portugal Las enfermeras de competencias avanzadas: una revisión de aceptación en Portugal Enfermeiros em funções avançadas: uma análise da aceitação em Portugal
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James Buchan, Marta Temido, Ines Fronteira, Luis Lapão, and Gilles Dussault
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Enfermería ,Reforma de la Atención de Salud ,Recursos Humanos en Salud ,Personal de Enfermería ,Portugal ,Enfermagem ,Reforma dos Serviços de Saúde ,Recursos Humanos em Saúde ,Recursos Humanos de Enfermagem ,Nursing ,Health Care Reform ,Health Manpower ,Nursing Staff ,RT1-120 - Abstract
OBJECTIVE: This paper focuses on the policy context for the deployment of nurses in advanced roles, with particular reference to Portugal. The health sector in Portugal, as in all countries, is labour intensive, and the scope to utilise nurses in more advanced roles is currently being debated. METHODS: Mixed methods were used: an analysis of international data on the nursing workforce; an analysis of documents and media articles; interviews with key-informants; an online survey of managers, and a technical workshop with key-informants. CONCLUSIONS: The limited evidence base on nurses in advanced roles in Portugal is a constraint on progress, but it is not an excuse for inaction. Further research in Portugal on health professionals in innovative roles would assist in informing policy direction. There is the need to move forward with a fully informed policy dialogue, taking account of the current political, economic and health service realities of Portugal.OBJETIVO: Este estudio se focaliza en el contexto político del desarrollo de competencias avanzadas de enfermería, con énfasis en el caso portugués. El sector de la salud en Portugal, como en todos los países, es intensivo en mano de obra, y la posibilidad de utilizar enfermeros en funciones más avanzadas está actualmente en debate. MÉTODOS: Fue utilizado una aproximación mixta: análisis de datos internacionales sobre la fuerza de trabajo de enfermería; análisis de documentos y noticias; entrevistas con informadores clave; un cuestionario online y una oficina técnica con informadores clave. CONCLUSIONES: La limitada base de evidencia sobre la extensión de competencias de los enfermeros en Portugal es un obstáculo para el progreso pero no es una excusa para la inacción. Investigación adicional sobre profesionales de la salud en papeles innovadores podría ayudar a informar y direccionar la decisión política. Es necesario avanzar con un diálogo político plenamente informado, considerando la realidad político económica actual y el sistema de servicios de salud en Portugal.OBJETIVO: este artigo foca o contexto político da implementação de competências avançadas em enfermagem, com ênfase no caso português. O setor da saúde em Portugal, assim como em outros países, usa mão de obra intensa, e a prática de enfermeiros com competências avançadas está atualmente em debate. MÉTODOS: abordagem de métodos mistos com análise de dados internacionais sobre a mão de obra em enfermagem, documentos e notícias na mídia, entrevistas com informantes-chave, questionário online e um workshop técnico com informantes-chave. CONCLUSÕES: existe base de evidência limitada sobre enfermeiros com funções avançadas em Portugal, o que é um entrave ao progresso, mas não uma desculpa para a inércia. Mais estudos conduzidos em Portugal, abordando funções inovadoras para profissionais da saúde, ajudariam a informar e direcionar políticas na área. É necessário avançar para informar, de forma plena, o diálogo político, levando em consideração a realidade atual em termos políticos, econômicos e do sistema de saúde em Portugal.
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- 2013
15. The migration of nurses: trends and policies
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James Buchan and Julie Sochalski
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Enfermeras ,Éxodo intelectual ,Migración internacional ,Personal profesional extranjero ,Selección de personal ,Países desarrollados ,Países en desarrollo ,Australia ,Irlanda ,Noruega ,Reino Unido ,Estados Unidos ,Public aspects of medicine ,RA1-1270 - Abstract
This paper examines the policy context of the rise in the international mobility and migration of nurses. It describes the profile of the migration of nurses and the policy context governing the international recruitment of nurses to five countries: Australia, Ireland, Norway, the United Kingdom, and the United States. We also examine the policy challenges for workforce planning and the design of health systems infrastructure. Data are derived from registries of professional nurses, censuses, interviews with key informants, case studies in source and destination countries, focus groups, and empirical modelling to examine the patterns and implications of the movement of nurses across borders. The flow of nurses to these destination countries has risen, in some cases quite substantially. Recruitment from lower-middle income countries and low-income countries, as defined by The World Bank, dominate trends in nurse migration to the United Kingdom, Ireland, and the United States, while Norway and Australia, primarily register nurses from other high-income countries. Inadequate data systems in many countries prevent effective monitoring of these workforce flows. Policy options to manage nurse migration include: improving working conditions in both source and destination countries, instituting multilateral agreements to manage the flow more effectively, and developing compensation arrangements between source and destination countries. Recommendations for enhancements to workforce data systems are provided.
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- 2004
16. Overcoming challenges in the economic evaluation of interventions to optimise antibiotic use
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Laurence S. J. Roope, Liz Morrell, James Buchanan, Alice Ledda, Amanda I. Adler, Mark Jit, A. Sarah Walker, Koen B. Pouwels, Julie V. Robotham, Sarah Wordsworth, and on behalf of the STEPUP team
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Medicine - Abstract
Abstract Bacteria are becoming increasingly resistant to antibiotics, reducing our ability to treat infections and threatening to undermine modern health care. Optimising antibiotic use is a key element in tackling the problem. Traditional economic evaluation methods do not capture many of the benefits from improved antibiotic use and the potential impact on resistance. Not capturing these benefits is a major obstacle to optimising antibiotic use, as it fails to incentivise the development and use of interventions to optimise the use of antibiotics and preserve their effectiveness (stewardship interventions). Estimates of the benefits of improving antibiotic use involve considerable uncertainty as they depend on the evolution of resistance and associated health outcomes and costs. Here we discuss how economic evaluation methods might be adapted, in the face of such uncertainties. We propose a threshold-based approach that estimates the minimum resistance-related costs that would need to be averted by an intervention to make it cost-effective. If it is probable that without the intervention costs will exceed the threshold then the intervention should be deemed cost-effective.
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- 2024
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17. Sit back and enjoy
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Jean, Gray, Rosemary, Cook, James, Buchan, Peter, Carter, Zeba, Arif, Stephen, Wright, Yvonne, Coghill, Jane, Bates, Dame, Chris, and David, Newnham
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- 2012
18. Sit back and enjoy
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Jean, Gray, Rosemary, Cook, James, Buchan, Peter, Carter, Zeba, Arif, Stephen, Wright, Yvonne, Coghill, Jane, Bates, Dame, Chris, and David, Newnham
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- 2011
19. QALYs and rare diseases: exploring the responsiveness of SF-6D, EQ-5D-5L and AQoL-8D following genomic testing for childhood and adult-onset rare genetic conditions in Australia
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Tianxin Pan, You Wu, James Buchanan, and Ilias Goranitis
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Personal utility ,Patient-reported outcome measures ,Genomic sequencing ,Rare disease ,Responsiveness ,Computer applications to medicine. Medical informatics ,R858-859.7 - Abstract
Abstract Background Genomic testing transforms the diagnosis and management of rare conditions. However, uncertainty exists on how to best measure genomic outcomes for informing healthcare priorities. Using the HTA-preferred method should be the starting point to improve the evidence-base. This study explores the responsiveness of SF-6D, EQ-5D-5L and AQoL-8D following genomic testing across childhood and adult-onset genetic conditions. Method Self-reported patient-reported outcomes (PRO) were obtained from: primary caregivers of children with suspected neurodevelopmental disorders (NDs) or genetic kidney diseases (GKDs) (carers’ own PRO), adults with suspected GKDs using SF-12v2; adults with suspected complex neurological disorders (CNDs) using EQ-5D-5L; and adults with dilated cardiomyopathy (DCM) using AQol-8D. Responsiveness was assessed using the standardised response mean effect-size based on diagnostic (having a confirmed genomic diagnosis), personal (usefulness of genomic information to individuals or families), and clinical (clinical usefulness of genomic information) utility anchors. Results In total, 254 people completed PRO measures before genomic testing and after receiving results. For diagnostic utility, a nearly moderate positive effect size was identified by the AQoL-8D in adult DCM patients. Declines in physical health domains masked any improvements in mental or psychosocial domains in parents of children affected by NDs and adult CNDs and DCM patients with confirmed diagnosis. However, the magnitude of the changes was small and we did not find statistically significant evidence of these changes. No other responsiveness evidence related to diagnostic, clinical, and personal utility of genomic testing was identified. Conclusion Generic PRO measures may lack responsiveness to the diagnostic, clinical and personal outcomes of genomics, but further research is needed to establish their measurement properties and relevant evaluative space in the context of rare conditions. Expected declines in the physical health of people experiencing rare conditions may further challenge the conventional application of quality of life assessments.
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- 2023
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20. Retrospective file review shows limited genetic services fail most patients – an argument for the implementation of exome sequencing as a first-tier test in resource-constrained settings
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Emma K. Wiener, James Buchanan, Amanda Krause, Zané Lombard, and for the DDD-Africa Study, as members of the H3Africa Consortium
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Low- and middle-income countries ,Genetic services ,Exome sequencing ,Developmental disorders ,Diagnostic guidelines ,Medicine - Abstract
Abstract Background Exome sequencing is recommended as a first-line investigation for patients with a developmental delay or intellectual disability. This approach has not been implemented in most resource-constraint settings, including Africa, due to the high cost of implementation. Instead, patients have limited access to services and testing options. Here, we evaluate the effectiveness of a limited genetic testing strategy and contrast the findings to a conceivable outcome if exome sequencing were available instead. Results A retrospective audit of 934 patient files presenting to a medical genetics clinic in South Africa showed that 83% of patients presented with developmental delay as a clinical feature. Patients could be divided into three groups, representing distinct diagnostic pathways. Patient Group A (18%; mean test cost $131) were confirmed with aneuploidies, following a simple, inexpensive test. Patient Group B (25%; mean test cost $140) presented with clinically recognizable conditions but only 39% received a genetic diagnostic confirmation due to limited testing options. Patient Group C – the largest group (57%; mean test cost $337) – presented with heterogenous conditions and DD, and 92% remained undiagnosed after limited available testing was performed. Conclusions Patients with DD are the largest group of patients seen in medical genetics clinics in South Africa. When clinical features are not distinct, limited testing options drastically restricts diagnostic yield. A cost- and time analysis shows most patients would benefit from first-line exome sequencing, reducing their individual diagnostic odysseys.
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- 2023
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21. Why do hospital prescribers continue antibiotics when it is safe to stop? Results of a choice experiment survey
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Laurence S. J. Roope, James Buchanan, Liz Morrell, Koen B. Pouwels, Katy Sivyer, Fiona Mowbray, Lucy Abel, Elizabeth L. A. Cross, Lucy Yardley, Tim Peto, A. Sarah Walker, Martin J. Llewelyn, and Sarah Wordsworth
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Antibiotic prescribing ,Antibiotic stewardship ,Hospitals ,Medicine - Abstract
Abstract Background Deciding whether to discontinue antibiotics at early review is a cornerstone of hospital antimicrobial stewardship practice worldwide. In England, this approach is described in government guidance (‘Start Smart then Focus’). However,
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- 2020
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22. Mixed-methods evaluation of the NHS Genomic Medicine Service for paediatric rare diseases: study protocol [version 2; peer review: 3 approved, 1 approved with reservations]
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Saskia C. Sanderson, Lauren Roberts, Cecilia Vindrola-Padros, Sarah L. Wynn, Monica Lakhanpaul, Celine Lewis, Angus Clarke, James Buchanan, Bettina Friedrich, Emma Clement, Melissa Hill, Jillian Hastings-Ward, Anneke M. Lucassen, Ruth Horn, Alexandra Pickard, and Chris Patch
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genomics ,genomic medicine service ,rare disease ,paediatric ,protocol ,mixed methods ,eng ,Medicine - Abstract
Background: A new nationally commissioned NHS England Genomic Medicine Service (GMS) was recently established to deliver genomic testing with equity of access for patients affected by rare diseases and cancer. The overarching aim of this research is to evaluate the implementation of the GMS during its early years, identify barriers and enablers to successful implementation, and provide recommendations for practice. The focus will be on the use of genomic testing for paediatric rare diseases. Methods: This will be a four-year mixed-methods research programme using clinic observations, interviews and surveys. Study 1 consists of qualitative interviews with designers/implementers of the GMS in Year 1 of the research programme, along with documentary analysis to understand the intended outcomes for the Service. These will be revisited in Year 4 to compare intended outcomes with what happened in practice, and to identify barriers and facilitators that were encountered along the way. Study 2 consists of clinic observations (pre-test counselling and results disclosure) to examine the interaction between health professionals and parents, along with follow-up interviews with both after each observation. Study 3 consists of a longitudinal survey with parents at two timepoints (time of testing and 12 months post-results) along with follow-up interviews, to examine parent-reported experiences and outcomes. Study 4 consists of qualitative interviews and a cross-sectional survey with medical specialists to identify preparedness, facilitators and challenges to mainstreaming genomic testing. The use of theory-based and pre-specified constructs will help generalise the findings and enable integration across the various sub-studies. Dissemination: We will disseminate our results to policymakers as findings emerge, so any suggested changes to service provision can be considered in a timely manner. A workshop with key stakeholders will be held in Year 4 to develop and agree a set of recommendations for practice.
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- 2022
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23. Assessing women's preferences towards tests that may reveal uncertain results from prenatal genomic testing: Development of attributes for a discrete choice experiment, using a mixed-methods design.
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Jennifer Hammond, Jasmijn E Klapwijk, Sam Riedijk, Stina Lou, Kelly E Ormond, Ida Vogel, Lisa Hui, Emma-Jane Sziepe, James Buchanan, Charlotta Ingvoldstad-Malmgren, Maria Johansson Soller, Eleanor Harding, Melissa Hill, and Celine Lewis
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Medicine ,Science - Abstract
Prenatal DNA tests, such as chromosomal microarray analysis or exome sequencing, increase the likelihood of receiving a diagnosis when fetal structural anomalies are identified. However, some parents will receive uncertain results such as variants of uncertain significance and secondary findings. We aimed to develop a set of attributes and associated levels for a discrete-choice experiment (DCE) that will examine parents' preferences for tests that may reveal uncertain test results. A two phase mixed-methods approach was used to develop attributes for the DCE. In Phase 1, a "long list" of candidate attributes were identified via two approaches: 1) a systematic review of the literature around parental experiences of uncertainty following prenatal testing; 2) 16 semi-structured interviews with parents who had experienced uncertainty during pregnancy and 25 health professionals who return uncertain prenatal results. In Phase 2, a quantitative scoring exercise with parents prioritised the candidate attributes. Clinically appropriate levels for each attribute were then developed. A final set of five attributes and levels were identified: likelihood of getting a result, reporting of variants of uncertain significance, reporting of secondary findings, time taken to receive results, and who tells you about your result. These attributes will be used in an international DCE study to investigate preferences and differences across countries. This research will inform best practice for professionals supporting parents to manage uncertainty in the prenatal setting.
- Published
- 2022
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24. Mixed-methods evaluation of the NHS Genomic Medicine Service for paediatric rare diseases: study protocol [version 1; peer review: 2 approved, 2 approved with reservations]
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Saskia C. Sanderson, Lauren Roberts, Cecilia Vindrola-Padros, Sarah L. Wynn, Monica Lakhanpaul, Celine Lewis, Angus Clarke, James Buchanan, Bettina Friedrich, Emma Clement, Melissa Hill, Jillian Hastings-Ward, Anneke M. Lucassen, Ruth Horn, Alexandra Pickard, and Chris Patch
- Subjects
genomics ,genomic medicine service ,rare disease ,paediatric ,protocol ,mixed methods ,eng ,Medicine - Abstract
Background: A new nationally commissioned NHS England Genomic Medicine Service (GMS) was recently established to deliver genomic testing with equity of access for patients affected by rare diseases and cancer. The overarching aim of this research is to evaluate the implementation of the GMS during its early years, identify barriers and enablers to successful implementation, and provide recommendations for practice. The focus will be on the use of genomic testing for paediatric rare diseases. Methods: This will be a four-year mixed-methods research programme using clinic observations, interviews and surveys. Study 1 consists of qualitative interviews with designers/implementers of the GMS in Year 1 of the research programme, along with documentary analysis to understand the intended outcomes for the Service. These will be revisited in Year 4 to compare intended outcomes with what happened in practice, and to identify barriers and facilitators that were encountered along the way. Study 2 consists of clinic observations (pre-test counselling and results disclosure) to examine the interaction between health professionals and parents, along with follow-up interviews with both after each observation. Study 3 consists of a longitudinal survey with parents at two timepoints (time of testing and 12 months post-results) along with follow-up interviews, to examine parent-reported experiences and outcomes. Study 4 consists of qualitative interviews and a cross-sectional survey with medical specialists to identify preparedness, facilitators and challenges to mainstreaming genomic testing. The use of theory-based and pre-specified constructs will help generalise the findings and enable integration across the various sub-studies. Dissemination: We will disseminate our results to policymakers as findings emerge, so any suggested changes to service provision can be considered in a timely manner. A workshop with key stakeholders will be held in Year 4 to develop and agree a set of recommendations for practice.
- Published
- 2021
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25. Public preferences for delayed or immediate antibiotic prescriptions in UK primary care: A choice experiment.
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Liz Morrell, James Buchanan, Laurence S J Roope, Koen B Pouwels, Christopher C Butler, Benedict Hayhoe, Sarah Tonkin-Crine, Monsey McLeod, Julie V Robotham, Alison Holmes, A Sarah Walker, Sarah Wordsworth, and STEPUP team
- Subjects
Medicine - Abstract
BackgroundDelayed (or "backup") antibiotic prescription, where the patient is given a prescription but advised to delay initiating antibiotics, has been shown to be effective in reducing antibiotic use in primary care. However, this strategy is not widely used in the United Kingdom. This study aimed to identify factors influencing preferences among the UK public for delayed prescription, and understand their relative importance, to help increase appropriate use of this prescribing option.Methods and findingsWe conducted an online choice experiment in 2 UK general population samples: adults and parents of children under 18 years. Respondents were presented with 12 scenarios in which they, or their child, might need antibiotics for a respiratory tract infection (RTI) and asked to choose either an immediate or a delayed prescription. Scenarios were described by 7 attributes. Data were collected between November 2018 and February 2019. Respondent preferences were modelled using mixed-effects logistic regression. The survey was completed by 802 adults and 801 parents (75% of those who opened the survey). The samples reflected the UK population in age, sex, ethnicity, and country of residence. The most important determinant of respondent choice was symptom severity, especially for cough-related symptoms. In the adult sample, the probability of choosing delayed prescription was 0.53 (95% confidence interval (CI) 0.50 to 0.56, p < 0.001) for a chesty cough and runny nose compared to 0.30 (0.28 to 0.33, p < 0.001) for a chesty cough with fever, 0.47 (0.44 to 0.50, p < 0.001) for sore throat with swollen glands, and 0.37 (0.34 to 0.39, p < 0.001) for sore throat, swollen glands, and fever. Respondents were less likely to choose delayed prescription with increasing duration of illness (odds ratio (OR) 0.94 (0.92 to 0.96, p < 0.001)). Probabilities of choosing delayed prescription were similar for parents considering treatment for a child (44% of choices versus 42% for adults, p = 0.04). However, parents differed from the adult sample in showing a more marked reduction in choice of the delayed prescription with increasing duration of illness (OR 0.83 (0.80 to 0.87) versus 0.94 (0.92 to 0.96) for adults, p for heterogeneity p < 0.001) and a smaller effect of disruption of usual activities (OR 0.96 (0.95 to 0.97) versus 0.93 (0.92 to 0.94) for adults, p for heterogeneity p < 0.001). Females were more likely to choose a delayed prescription than males for minor symptoms, particularly minor cough (probability 0.62 (0.58 to 0.66, p < 0.001) for females and 0.45 (0.41 to 0.48, p < 0.001) for males). Older people, those with a good understanding of antibiotics, and those who had not used antibiotics recently showed similar patterns of preferences. Study limitations include its hypothetical nature, which may not reflect real-life behaviour; the absence of a "no prescription" option; and the possibility that study respondents may not represent the views of population groups who are typically underrepresented in online surveys.ConclusionsThis study found that delayed prescription appears to be an acceptable approach to reducing antibiotic consumption. Certain groups appear to be more amenable to delayed prescription, suggesting particular opportunities for increased use of this strategy. Prescribing choices for sore throat may need additional explanation to ensure patient acceptance, and parents in particular may benefit from reassurance about the usual duration of these illnesses.
- Published
- 2021
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26. Availability and funding of clinical genomic sequencing globally
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Sarah Wordsworth, Deborah A Marshall, Kathryn A Phillips, Michael P Douglas, and James Buchanan
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Medicine (General) ,R5-920 ,Infectious and parasitic diseases ,RC109-216 - Abstract
The emergence of next-generation genomic sequencing (NGS) tests for use in clinical care has generated widespread interest around the globe, but little is known about the availability and funding of these tests worldwide. We examined NGS availability across world regions and countries, with a particular focus on availability of three key NGS tests—Whole-Exome Sequencing or Whole-Genome Sequencing for diagnosis of suspected genetic diseases such as intellectual disability disorders or rare diseases, non-invasive prenatal testing for common genetic abnormalities in fetuses and tumor sequencing for therapy selection and monitoring of cancer treatment. We found that these NGS tests are available or becoming available in every major region of the world. This includes both high-income countries with robust genomic programmes such as the USA and the UK, and growing availability in countries with upper-middle-income economies. We used exploratory case studies across three diverse health care systems (publicly funded/national (UK), publicly funded/provincial (Canada) and mixed private/public system (USA)) to illustrate the funding challenges and approaches used to address those challenges that might be adopted by other countries. We conclude by assessing what type of data and initiatives will be needed to better track and understand the use of NGS around the world as such testing continues to expand.
- Published
- 2021
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27. Rettegés a szabadságtól
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James Buchanan and VITA GOLODJUK
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Economic theory. Demography ,HB1-3840 ,Economic history and conditions ,HC10-1085 - Abstract
James Buchanan, a Nobel-díjas amerikai közgazdász gondolatai a piacgazdaság etikus alapjairól, Németország problémáiról és a vallási fanatizmus veszélyeiről.
- Published
- 2020
28. Erratum to: Methods for evaluating medical tests and biomarkers
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Gowri Gopalakrishna, Miranda Langendam, Rob Scholten, Patrick Bossuyt, Mariska Leeflang, Anna Noel-Storr, James Thomas, Iain Marshall, Byron Wallace, Penny Whiting, Clare Davenport, Gowri GopalaKrishna, Isabel de Salis, Sue Mallett, Robert Wolff, Richard Riley, Marie Westwood, Jos Kleinen, Gary Collins, Hans Reitsma, Karel Moons, Antonia Zapf, Annika Hoyer, Katharina Kramer, Oliver Kuss, J. Ensor, J. J. Deeks, E. C. Martin, R. D. Riley, Gerta Rücker, Susanne Steinhauser, Martin Schumacher, Joie Ensor, Kym Snell, Brian Willis, Thomas Debray, Jon Deeks, Lavinia Ferrante di Ruffano, Sian Taylor-Phillips, Chris Hyde, Stuart A. Taylor, Gauraang Batnagar, STREAMLINE COLON Investigators, STREAMLINE LUNG Investigators, METRIC Investigators, Lavinia Ferrante Di Ruffano, Farah Seedat, Aileen Clarke, Sarah Byron, Frances Nixon, Rebecca Albrow, Thomas Walker, Carla Deakin, Zhivko Zhelev, Harriet Hunt, Yaling Yang, Lucy Abel, James Buchanan, Thomas Fanshawe, Bethany Shinkins, Laure Wynants, Jan Verbakel, Sabine Van Huffel, Dirk Timmerman, Ben Van Calster, Aeliko Zwinderman, Jason Oke, Jack O’Sullivan, Rafael Perera, Brian Nicholson, Hannah L. Bromley, Tracy E. Roberts, Adele Francis, Denniis Petrie, G. Bruce Mann, Kinga Malottki, Holly Smith, Lucinda Billingham, Alice Sitch, Oke Gerke, Mie Holm-Vilstrup, Eivind Antonsen Segtnan, Ulrich Halekoh, Poul Flemming Høilund-Carlsen, Bernard G. Francq, Jac Dinnes, Julie Parkes, Walter Gregory, Jenny Hewison, Doug Altman, William Rosenberg, Peter Selby, Julien Asselineau, Paul Perez, Aïssatou Paye, Emilie Bessede, Cécile Proust-Lima, Christiana Naaktgeboren, Joris de Groot, Anne Rutjes, Johannes Reitsma, Emmanuel Ogundimu, Jonathan Cook, Yannick Le Manach, Yvonne Vergouwe, Romin Pajouheshnia, Rolf Groenwold, Karen Moons, Linda Peelen, Daan Nieboer, Bavo De Cock, Micael J. Pencina, Ewout W. Steyerberg, Jennifer Cooper, Nick Parsons, Chris Stinton, Steve Smith, Andy Dickens, Rachel Jordan, Alexandra Enocson, David Fitzmaurice, Peymane Adab, Charles Boachie, Gaj Vidmar, Karoline Freeman, Martin Connock, Rachel Court, Carl Moons, Jessica Harris, Andrew Mumford, Zoe Plummer, Kurtis Lee, Barnaby Reeves, Chris Rogers, Veerle Verheyden, Gianni D. Angelini, Gavin J. Murphy, Jeremy Huddy, Melody Ni, Katherine Good, Graham Cooke, George Hanna, Jie Ma, K. G. M. (Carl) Moons, Joris A. H. de Groot, Doug G. Altman, Johannes B. Reitsma, Gary S. Collins, Karel G. M. Moons, Douglas G. Altman, Adina Najwa Kamarudin, Ruwanthi Kolamunnage-Dona, Trevor Cox, Simone Borsci, Teresa Pérez, M.Carmen Pardo, Angel Candela-Toha, Alfonso Muriel, Javier Zamora, Sabina Sanghera, Syed Mohiuddin, Richard Martin, Jenny Donovan, Joanna Coast, Mikyung Kelly Seo, John Cairns, Elizabeth Mitchell, Alison Smith, Judy Wright, Peter Hall, Michael Messenger, Nicola Calder, Nyantara Wickramasekera, Karen Vinall-Collier, Andrew Lewington, Johanna Damen, David Cairns, Michelle Hutchinson, Cathie Sturgeon, Liz Mitchel, Rebecca Kift, Sofia Christakoudi, Manohursingh Rungall, Paula Mobillo, Rosa Montero, Tjir-Li Tsui, Sui Phin Kon, Beatriz Tucker, Steven Sacks, Chris Farmer, Terry Strom, Paramit Chowdhury, Irene Rebollo-Mesa, Maria Hernandez-Fuentes, Johanna A. A. G. Damen, Thomas P. A. Debray, Pauline Heus, Lotty Hooft, Rob J. P. M. Scholten, Ewoud Schuit, Ioanna Tzoulaki, Camille M. Lassale, George C. M. Siontis, Virginia Chiocchia, Corran Roberts, Michael Maia Schlüssel, Stephen Gerry, James A. Black, Yvonne T. van der Schouw, Linda M. Peelen, Graeme Spence, David McCartney, Ann van den Bruel, Daniel Lasserson, Gail Hayward, Werner Vach, Antoinette de Jong, Coreline Burggraaff, Otto Hoekstra, Josée Zijlstra, Henrica de Vet, Sara Graziadio, Joy Allen, Louise Johnston, Rachel O’Leary, Michael Power, Louise Johnson, Ray Waters, John Simpson, Thomas R. Fanshawe, Peter Phillips, Andrew Plumb, Emma Helbren, Steve Halligan, Alastair Gale, Peggy Sekula, Willi Sauerbrei, Julia R. Forman, Susan J. Dutton, Yemisi Takwoingi, Elizabeth M. Hensor, Thomas E. Nichols, Emmanuelle Kempf, Raphael Porcher, Jennifer de Beyer, Douglas Altman, Sally Hopewell, John Dennis, Beverley Shields, Angus Jones, William Henley, Ewan Pearson, Andrew Hattersley, on behalf of the MASTERMIND consortium, Fueloep Scheibler, Anne Rummer, Sibylle Sturtz, Robert Großelfinger, Katie Banister, Craig Ramsay, Augusto Azuara-Blanco, Jennifer Burr, Manjula Kumarasamy, Rupert Bourne, Ijeoma Uchegbu, Jennifer Murphy, Alex Carter, Jen Murphy, Joachim Marti, Julie Eatock, Julie Robotham, Maria Dudareva, Mark Gilchrist, Alison Holmes, Phillip Monaghan, Sarah Lord, Andrew StJohn, Sverre Sandberg, Christa Cobbaert, Lieselotte Lennartz, Wilma Verhagen-Kamerbeek, Christoph Ebert, Andrea Horvath, for the Test Evaluation Working Group of the European Federation of Clinical Chemistry and Laboratory Medicine, Kevin Jenniskens, Jaime Peters, Bogdan Grigore, Obi Ukoumunne, Brooke Levis, Andrea Benedetti, Alexander W. Levis, John P. A. Ioannidis, Ian Shrier, Pim Cuijpers, Simon Gilbody, Lorie A. Kloda, Dean McMillan, Scott B Patten, Russell J. Steele, Roy C Ziegelstein, Charles H. Bombardier, Flavia de Lima Osório, Jesse R. Fann, Dwenda Gjerdingen, Femke Lamers, Manote Lotrakul, Sonia R Loureiro, Bernd Löwe, Juwita Shaaban, Lesley Stafford, Henk C. P. M. van Weert, Mary A. Whooley, Linda S. Williams, Karin A. Wittkampf, Albert S. Yeung, Brett D. Thombs, Chris Cooper, Tom Nieto, Claire Smith, Olga Tucker, Janine Dretzke, Andrew Beggs, Nirmala Rai, Sue Bayliss, Simon Stevens, Sue Mallet, Sudha Sundar, Emma Hall, Nuria Porta, David Lorente Estelles, Johann de Bono, and on behalf of the CTC-STOP protocol development group
- Subjects
Medicine (General) ,R5-920 - Published
- 2017
- Full Text
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29. Awareness of Appropriate Antibiotic Use in Primary Care for Influenza-Like Illness: Evidence of Improvement from UK Population-Based Surveys
- Author
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Koen B. Pouwels, Laurence S. J. Roope, James Buchanan, Liz Morrell, Sarah Tonkin-Crine, Michele Peters, Leah F. Jones, Enrique Castro-Sánchez, Derrick W. Crook, Tim Peto, Christopher C. Butler, Julie V. Robotham, A. Sarah Walker, and Sarah Wordsworth
- Subjects
antibiotics ,antimicrobial resistance ,survey ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Influenza-like illnesses (ILI) account for a significant portion of inappropriate antibiotic use. Patient expectations for antibiotics for ILI are likely to play a substantial role in ‘unnecessary’ antibiotic consumption. This study aimed to investigate trends in awareness of appropriate antibiotic use and antimicrobial resistance (AMR). Three sequential online surveys of independent representative samples of adults in the United Kingdom investigated expectations for, and consumption of, antibiotics for ILI (May/June 2015 (n = 2064); Oct/Nov 2016 (n = 4000); Mar 2017 (n = 4000)). Respondents were asked whether they thought antibiotics were effective for ILI and about their antibiotic use. Proportions and 95% confidence intervals (CI) were calculated for each question and interactions with respondent characteristics were tested using logistic regression. Over the three surveys, the proportion of respondents who believed antibiotics would “definitely/probably” help an ILI fell from 37% (95% CI 35–39%) to 28% (95% CI 26–29%). Those who would “definitely/probably” visit a doctor in this situation fell from 48% (95% CI 46–50%) to 36% (95% CI 34–37%), while those who would request antibiotics during a consultation fell from 39% (95% CI 37–41%) to 30% (95% CI 29–32%). The percentage of respondents who found the information we provided about AMR “new/surprising” fell from 34% (95% CI 32–36%) to 28% (95% CI 26–31%). Awareness improved more among black, Asian and minority ethnic (BAME) than white people, with little other evidence of differences in improvements between subgroups. Whilst a degree of selection bias is unavoidable in online survey samples, the results suggest that awareness of AMR and appropriate antibiotic use has recently significantly improved in the United Kingdom, according to a wide range of indicators.
- Published
- 2020
- Full Text
- View/download PDF
30. Delayed Antibiotic Prescription by General Practitioners in the UK: A Stated-Choice Study
- Author
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Liz Morrell, James Buchanan, Laurence S. J. Roope, Koen B. Pouwels, Christopher C. Butler, Benedict Hayhoe, Michael V. Moore, Sarah Tonkin-Crine, Monsey McLeod, Julie V. Robotham, A. Sarah Walker, Sarah Wordsworth, and on behalf of the STEPUP team
- Subjects
antibiotic resistance ,choice experiment ,primary care ,general practice ,delayed prescription ,respiratory tract infection ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Delayed antibiotic prescription in primary care has been shown to reduce antibiotic consumption, without increasing risk of complications, yet is not widely used in the UK. We sought to quantify the relative importance of factors affecting the decision to give a delayed prescription, using a stated-choice survey among UK general practitioners. Respondents were asked whether they would provide a delayed or immediate prescription in fifteen hypothetical consultations, described by eight attributes. They were also asked if they would prefer not to prescribe antibiotics. The most important determinants of choice between immediate and delayed prescription were symptoms, duration of illness, and the presence of multiple comorbidities. Respondents were more likely to choose a delayed prescription if the patient preferred not to have antibiotics, but consultation length had little effect. When given the option, respondents chose not to prescribe antibiotics in 51% of cases, with delayed prescription chosen in 21%. Clinical features remained important. Patient preference did not affect the decision to give no antibiotics. We suggest that broader dissemination of the clinical evidence supporting use of delayed prescription for specific presentations may help increase appropriate use. Establishing patient preferences regarding antibiotics may help to overcome concerns about patient acceptance. Increasing consultation length appears unlikely to affect the use of delayed prescription.
- Published
- 2020
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31. Translating Thailand's Protests: An Analysis of Red Shirt Rhetoric
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James Buchanan
- Subjects
Protest ,Red Shirts ,Social Movement ,Thailand ,Thai Political Crisis ,Political science ,Social Sciences - Published
- 2013
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32. Can rapid integrated polymerase chain reaction-based diagnostics for gastrointestinal pathogens improve routine hospital infection control practice? A diagnostic study
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Louise Pankhurst, Louissa Macfarlane-Smith, James Buchanan, Luke Anson, Kerrie Davies, Lily O’Connor, Helen Ashwin, Graham Pike, Kate E Dingle, Timothy EA Peto, Sarah Wordsworth, A Sarah Walker, Mark H Wilcox, and Derrick W Crook
- Subjects
diagnostic study ,infection control ,infectious diarrhoea ,masscode ,luminex ,enterobacteriaceae ,Medical technology ,R855-855.5 - Abstract
Background: Every year approximately 5000–9000 patients are admitted to a hospital with diarrhoea, which in up to 90% of cases has a non-infectious cause. As a result, single rooms are ‘blocked’ by patients with non-infectious diarrhoea, while patients with infectious diarrhoea are still in open bays because of a lack of free side rooms. A rapid test for differentiating infectious from non-infectious diarrhoea could be very beneficial for patients. Objective: To evaluate MassCode multiplex polymerase chain reaction (PCR) for the simultaneous diagnosis of multiple enteropathogens directly from stool, in terms of sensitivity/specificity to detect four common important enteropathogens: Clostridium difficile, Campylobacter spp., Salmonella spp. and norovirus. Design: A retrospective study of fixed numbers of samples positive for C. difficile (n = 200), Campylobacter spp. (n = 200), Salmonella spp. (n = 100) and norovirus (n = 200) plus samples negative for all these pathogens (n = 300). Samples were sourced from NHS microbiology laboratories in Oxford and Leeds where initial diagnostic testing was performed according to Public Health England methodology. Researchers carrying out MassCode assays were blind to this information. A questionnaire survey, examining current practice for infection control teams and microbiology laboratories managing infectious diarrhoea, was also carried out. Setting: MassCode assays were carried out at Oxford University Hospitals NHS Trust. Further multiplex assays, carried out using Luminex, were run on the same set of samples at Leeds Teaching Hospitals NHS Trust. The questionnaire was completed by various NHS trusts. Main outcome measures: Sensitivity and specificity to detect C. difficile, Campylobacter spp., Salmonella spp., and norovirus. Results: Nucleic acids were extracted from 948 clinical samples using an optimised protocol (200 Campylobacter spp., 199 C. difficile, 60 S. enterica, 199 norovirus and 295 negative samples; some samples contained more than one pathogen). Using the MassCode assay, sensitivities for each organism compared with standard microbiological testing ranged from 43% to 94% and specificities from 95% to 98%, with particularly poor performance for S. enterica. Relatively large numbers of unexpected positives not confirmed with quantitative PCR were also observed, particularly for S. enterica, Giardia lamblia and Cryptosporidium spp. As the results indicated that S. enterica detection might provide generic challenges to other multiplex assays for gastrointestinal pathogens, the Luminex xTag® gastrointestinal assay was also run blinded on the same extracts (937/948 remaining) and on re-extracted samples (839/948 with sufficient material). For Campylobacter spp., C. difficile and norovirus, high sensitivities (> 92%) and specificities (> 96%) were observed. For S. enterica, on the original MassCode/Oxford extracts, Luminex sensitivity compared with standard microbiological testing was 84% [95% confidence interval (CI) 73% to 93%], but this dropped to 46% on a fresh extract, very similar to MassCode, with a corresponding increase in specificity from 92% to 99%. Overall agreement on the per-sample diagnosis compared with combined microbiology plus PCR for the main four/all pathogens was 85.6%/64.7%, 87.0%/82.9% and 89.8%/86.8% for the MassCode assay, Luminex assay/MassCode extract and Luminex assay/fresh extract, respectively. Luminex assay results from fresh extracts implied that 5% of samples did not represent infectious diarrhoea, even though enteropathogens were genuinely present. Managing infectious diarrhoea was a significant burden for infection control teams (taking 21% of their time) and better diagnostics were identified as having major potential benefits for patients. Conclusions: Overall, the Luminex xTag gastrointestinal panel showed similar or superior sensitivity and specificity to the MassCode assay. However, on fresh extracts, this test had low sensitivity to detect a key enteric pathogen, S. enterica; making it an unrealistic option for most microbiology laboratories. Extraction efficiency appears to be a major obstacle for nucleic acid-based tests for this organism, and possibly the whole Enterobacteriaceae family. To improve workflows in service microbiology laboratories, to reduce workload for infection control practitioners, and to improve outcomes for NHS patients, further research on deoxyribonucleic acid-based multiplex gastrointestinal diagnostics is urgently needed. Funding: The Health Technology Assessment programme of the National Institute for Health Research.
- Published
- 2014
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33. Cost-effectiveness of pre-referral antimalarial, antibacterial, and combined rectal formulations for severe febrile illness.
- Author
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James Buchanan, Borislava Mihaylova, Alastair Gray, and Nicholas White
- Subjects
Medicine ,Science - Abstract
Malaria and bacterial infections account for most infectious disease deaths in developing countries. Prompt treatment saves lives, but rapid deterioration often prevents the use of oral therapies; delays in reaching health facilities providing parenteral interventions are common. Rapidly and reliably absorbed antimalarial/antibacterial rectal formulations used in the community could prevent deaths and disabilities. Rectal antimalarial treatments are currently available; rectal antibacterial treatments are yet to be developed. Assessment of the likely cost-effectiveness of these interventions will inform research priorities and implementation.The burden of malaria and bacterial infections worldwide and in Sub-Saharan and Southern Africa (SSA) and South and South-East Asia (SEA) was summarised using published data. The additional healthcare costs (US$) per death and per Disability Adjusted Life Year (DALY) avoided following pre-referral treatment of severe febrile illness with rectal antimalarials, antibacterials or combined antimalarial/antibacterials in populations at malaria risk in SSA/SEA were assessed. 46 million severe malaria and bacterial infections and 5 million deaths occur worldwide each year, mostly in SSA/SEA. At annual delivery costs of $0.02/capita and 100% coverage, rectal antimalarials ($2 per dose) would avert 240,000 deaths in SSA and 7,000 deaths in SEA at $5 and $177 per DALY avoided, respectively; rectal antibacterials ($2 per dose) would avert 130,000 deaths in SSA and 27,000 deaths in SEA at $19 and $97 per DALY avoided, respectively. Combined rectal formulations ($2.50 per dose) would avert 370,000 deaths in SSA and 33,000 deaths in SEA at $8 and $79 per DALY avoided, respectively, and are a cost-effective alternative to rectal antimalarials or antibacterials alone.Antimalarial, antibacterial and combined rectal formulations are likely to be cost-effective interventions for severe febrile illness in the community. Attention should focus on developing effective rectal antibacterials and ensuring that these lifesaving treatments are used in a cost-effective manner.
- Published
- 2010
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34. Perioperative outcomes of robotic partial nephrectomy for intrarenal tumors.
- Author
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Curtiss KM, Ball MW, Gorin MA, Harris KT, Pierorazio PM, and Allaf ME
- Subjects
- Aged, Carcinoma, Renal Cell diagnostic imaging, Databases, Factual, Female, Humans, Intraoperative Complications etiology, Male, Middle Aged, Monitoring, Intraoperative, Operative Time, Retrospective Studies, Treatment Outcome, Ultrasonography, Warm Ischemia, Carcinoma, Renal Cell surgery, Kidney Neoplasms surgery, Nephrectomy methods, Robotics methods
- Abstract
Introduction: Intrarenal tumors pose a unique challenge to surgeons due to the lack of visual cues on the kidney surface. Intraoperative ultrasonography has facilitated the management of these tumors during minimally invasive partial nephrectomy. We sought to evaluate the safety, feasibility, and comparative effectiveness of robot-assisted partial nephrectomy (RPN) in the management of completely intrarenal tumors., Methods: Our institutional database was queried for patients undergoing RPN between 2007 and 2013. Patient demographics, tumor characteristics, and perioperative outcomes were compared for patients with intrarenal tumors and tumors with any exophytic component. Patients without available preoperative imaging were excluded from the study., Results: A total of 297 patients were identified with 30 having completely intrarenal tumors and 267 having some exophytic component. Patient demographics were similar between the two groups. Median tumor size was smaller for the intrarenal group than the exophytic group (2.3 vs 2.7 cm, p=0.015) and nephrometry score was higher for the intrarenal group (9 vs 6, p<0.0001). Tumor characteristics were otherwise similar. Perioperative outcomes were similar between the intrarenal and exophytic groups: estimated blood loss (100 vs 100 mL, p=0.56), operative time (165 vs 162 minutes, p=0.86), warm ischemia time (17 vs 17 minutes, p=0.54), renal cell carcinoma positive surgical margin (0% vs 2.4%, p=0.74), intraoperative complications (0% vs 0.76%, p=0.81), and postoperative complications (6.7% vs 17.6% p=0.76)., Conclusions: RPN is feasible, safe, and effective in the treatment of select intrarenal kidney tumors with outcomes similar to those of partially exophytic tumors. This is likely facilitated by intraoperative ultrasonography. Completely intrarenal kidney tumors should not be automatically relegated to radical nephrectomy or open surgery.
- Published
- 2015
- Full Text
- View/download PDF
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