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Objectives: Screening for breast, cervical and colorectal cancer in an average-risk population is widely recommended in national and international guidelines although their implementation varies. Using a conceptual framework that draws on implementation and health systems research, we provide an overview of systematic literature reviews that address health system and service barriers or facilitators to effective cancer screening. Methods: Using a systematic approach, we searched Cochrane Database of Systematic Reviews, Ovid Medline, Ovid Embase, Web of Science, PsychInfo and other internet sources. We included systematic reviews of screening interventions (i.e. targeting people at average risk) for breast, cervical and colorectal cancer. The analysis included 90 systematic reviews. Results: This review identified a multitude of barriers and facilitators affecting the health system, the capabilities of individuals in the system and their intentions. A large proportion of the available evidence focused on uptake. The reviews demonstrated that health system factors influenced participation, as well as quality and effectiveness of the service provided. The barriers with the biggest impact were knowledge/education, mainly of clients but also providers (capability barriers) and beliefs and values (intention barriers) of the eligible population. These findings complement the usual focus on psychological and social barriers to informed participation by individuals that dominate the screening literature. The facilitators with the most supporting evidence were educational interventions (overcoming capability and intention barriers), invitation letters, reminders and appointments. These were mainly directed at eligible individuals and, to a lesser extent, to providers and healthcare professionals. Only a small number of reviews, mainly from Europe, specified organized, rather than opportunistic, screening programmes. In those, low participation was the most frequently cited ba

Objective To maximize benefits and reduce potential harms of organized cancer screening programs in Europe, monitoring, quality assurance, and evaluation of long-term impact are required. We aimed to identify the most important indicators to be collected and reported. The study was designed to establish a consensus within a European-level working group and suggest a manageable list of key indicators. Methods We conducted a Delphi study among p

Purpose: The relationship between cancer screening activities in Europe and the health systems in which they are embedded varies, with some screening programs organized largely separately and others using existing health service staff and facilities. Whatever the precise arrangements, the opportunity for screening to achieve health gain depends on many elements interacting within and beyond the health system, from an accurate register identifying the target population to a means to ensure and monitor follow-up. Method: A conjoint analysis was undertaken with 66 cancer screening experts from 31 countries taking part in EU-TOPIA (towards improved screening for breast, cervical and colorectal cancer in all of Europe) to identify priorities for an effective screening program, taking a whole system perspective. Ten attributes, each with two levels, were derived from a review of the literature and consultation with experts in cancer screening. Statistical software generated 12 profiles that were ranked by respondents and analyzed using standard conjoint analysis. Findings and conclusion: The most important attributes were having up-to-date and evidence-based guidelines, followed by mechanisms for systematic monitoring of screening uptake, having a population register covering all of the eligible population and monitoring long-term outcomes. In discussions about the results, participants argued that quality assurance and adherence to guidelines were important, even though they generated low scores in the experiment. This difference may be due some attributes being interrelated, more wide-ranging or the sequential nature of establishing an effective screening program, with guidelines being the first stage of the process.

The benefits of population-based screening for breast cancer are now accepted although, in practice, programmes often fail to achieve their full potential. In this paper, we propose a conceptual model that situates screening programmes within the broader health system to understand the factors that influence their outcomes. We view the overall screening system as having multiple sub-systems to identify the population at risk, generate knowledge of effectiveness, maximise uptake, operate the programme, and optimise follow-up and assurance of subsequent treatment. Based on this model we have developed the Barriers to Effective Screening Tool (BEST) for analysing government-led, population-based screening programmes from a health systems perspective. Conceived as a self-assessment tool, we piloted the tool with key informants in six European countries (Estonia, Finland, Hungary, Italy, The Netherlands and Slovenia) to identify barriers to the optimal operation of population-based breast ca

The aim of this study was to identify barriers to effective breast, cervical and colorectal cancer screening programmes throughout the whole of the European region using the Barriers to Effective Screening Tool (BEST). The study was part of the scope of the EU-TOPIA (TOwards imProved screening for breast, cervical and colorectal cancer In All of Europe) project and respondents were European screening organisers, researchers and policymakers taking part in a workshop for the project in Budapest in September 2017. 67 respondents from 31 countries responded to the online survey. The study found that there are many barriers to effective screening throughout the system from identification of the eligible population to ensuring appropriate follow-up and treatment for the three cancers. The most common barriers were opportunistic screening, sub-optimal participation, limited capacity (including trained human resource), inadequate and/or disjointed information technology s

The aim of this study was to identify barriers to effective cervical and colorectal cancers screening programmes in Europe. The Barriers to Effective Screening Tool (BEST), based on a health systems approach, was completed by teams of three to six experts on cancer screening in each of the six countries involved in leading the EU-TOPIA project (TOwards imProved screening for breast, cervical and colorectal cancer In All of Europe). While the basic components of screening systems and the challenges they face, such as low participation, are similar, there are also many differences, both in the structures underpinning particular functions, such as maintenance of populationregisters and monitoring outcomes, and the ways that they operate. Many of these lie outside the strict organisational boundaries of screening programmes. BEST offers a means to identify and prioritise issues for further detailed exploration. The holistic health systems approach to assessing barriers differs from previous approaches. Those focus on individual characteristics that determine participation. The approach described here provides additional opportunities to improve outcomes with measures that are largely within the control of those managing the health system.