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Researchers recommend a reorganization of the medical profession into larger groups with a multispecialty mix. We analyze whether there is evidence for the superiority of these models and if this organizational transformation is underway.

We summarize the evidence on scale and scope economies in physician group practice, and then review the trends in physician group size and specialty mix to conduct survivorship tests of the most efficient models.

The distribution of physician groups exhibits two interesting tails. In the lower tail, a large percentage of physicians continue to practice in small, physician-owned practices. In the upper tail, there is a small but rapidly growing percentage of large groups that have been organized primarily by non-physician owners.

While our analysis includes no original data, it does collate all known surveys of physician practice characteristics and group practice formation to provide a consistent picture of physician organization.

Our review suggests that scale and scope economies in physician practice are limited. This may explain why most physicians have retained their small practices.

Larger, multispecialty groups have been primarily organized by non-physician owners in vertically integrated arrangements. There is little evidence supporting the efficiencies of such models and some concern they may pose anticompetitive threats.

This is the first comprehensive review of the scale and scope economies of physician practice in nearly two decades. The research results do not appear to have changed much; nor has much changed in physician practice organization.

This study identifies and synthesizes existing literature on the integration of diabetic and dental services and explores a service integration model for optimising diabetic patient health outcomes and improving healthcare systems in low and middle-income countries.

Peer-reviewed literature that analysed the integration of health services regarding dental and medical services were reviewed. The articles were identified using the Academic Search Complete, Business Source Complete, CINAHL Complete, Google Scholar and MEDLINE databases and screened using the PRISMA guidelines.

A total of 40 full-text articles were examined for eligibility out of which 26 were selected for analysis. Diabetes was shown to contribute significantly to the global disease burden and this is also reflected in most low and middle-income countries. It is found that the integration of medical and dental services could help alleviate this burden. Hence, locally adapted Rainbow-Modified Integrated Care model is proposed to fill this integration gap.

The integration of dental and medical services has been proven to be useful in improving diabetic patient outcomes. Hence, the need to facilitate cross-professional collaboration between dentists and physicians cannot be overemphasised and this can be extended and locally adapted by different health systems across the world.

The integration of dental and diabetic services using models such as the Rainbow Model of Integrated Care is recommended to optimise health outcomes of diabetic patients and enhancing service delivery, especially in resource-poor healthcare systems.

To investigate the effects of payor–provider integration on the operational performance of health service provision. The research explores whether integration governs agency problems and tilts the incentives of diverse actors toward more systematic outcomes.

A two stage multimethod case study of occupational health services. A qualitative stage aimed to understand the reasons, mechanisms, and outcomes of payor–provider integration. A quantitative stage evaluated the performance of the integrated hospital against fee-for-service partner hospitals with a sample of 2,726 patients.

Payor–provider integration mitigates agency problems on multiple levels of the service system by complementing formal governance mechanisms with informal mechanisms. Compared to partner hospitals, the integrated hospital yielded 9% lower the total costs of occupational injuries achieved primarily by emphasizing conservative care and faster recovery.

Focuses on occupational health services in Finland. Provides initial evidence of the effects of payor–provider integration on the operational performance.

Vertical integration may provide systematic outcomes but requires mindful implementation of multiple mechanisms. Rigorous change management initiative is advised.

For patients, the research shows payor–provider integration of health services can be implemented in a manner that it reduces care costs while not compromising care quality and customer satisfaction.

This study provides a rare longitudinal analysis of payor–provider integration in health-care operations management. The study adds to the knowledge of operational performance improvement of health services.

People experiencing homelessness often have complex needs requiring a range of support. These may include health problems (physical illness, mental health and/or substance misuse) as well as social, financial and housing needs. Addressing these issues requires a high degree of coordination amongst services. It is, thus, an example of a wicked policy issue. The purpose of this paper is to examine the challenge of integrating care in this context using evidence from an evaluation of English hospital discharge services for people experiencing homelessness.

The paper undertakes secondary analysis of qualitative data from a mixed methods evaluation of hospital discharge schemes and uses an established framework for understanding integrated care, the Rainbow Model of Integrated Care (RMIC), to help examine the complexities of integration in this area.

Supporting people experiencing homelessness to have a good discharge from hospital was confirmed as a wicked policy issue. The RMIC provided a strong framework for exploring the concept of integration, demonstrating how intertwined the elements of the framework are and, hence, that solutions need to be holistically organised across the RMIC. Limitations to integration were also highlighted, such as shortages of suitable accommodation and the impacts of policies in aligned areas of the welfare state.

The data for this secondary analysis were not specifically focussed on integration which meant the themes in the RMIC could not be explored directly nor in as much depth. However, important issues raised in the data directly related to integration of support, and the RMIC emerged as a helpful organising framework for understanding integration in this wicked policy context.

Integration is happening in services directly concerned with the discharge from hospital of people experiencing homelessness. Key challenges to this integration are reported in terms of the RMIC, which would be a helpful framework for planning better integrated care for this area of practice.

Addressing homelessness not only requires careful planning of integration of services at specific pathway points, such as hospital discharge, but also integration across wider systems. A complex set of challenges are discussed to help with planning the better integration desired, and the RMIC was seen as a helpful framework for thinking about key issues and their interactions.

This paper examines an application of integrated care knowledge to a key complex, or wicked policy issue.

To examine the evolution of health care integration strategies and associated conceptualization and practice through a review and synthesis of over 25 years of international academic research and literature.

A search of the health sciences literature was conducted using PubMed and EMBASE. A total of 114 articles were identified for inclusion and thematically analyzed using a strategy content model for systems-level integration.

Six major, inter-related shifts in integration strategies were identified: (1) from a focus on horizontal integration to an emphasis on vertical integration; (2) from acute care and institution-centered models of integration to a broader focus on community-based health and social services; (3) from economic arguments for integration to an emphasis on improving quality of care and creating value; (4) from evaluations of integration using an organizational perspective to an emerging interest in patient-centered measures; (5) from a focus on modifying organizational and environmental structures to an emphasis on changing ways of working and influencing underlying cultural attitudes and norms; and (6) from integration for all patients within defined regions to a strategic focus on integrating care for specific populations. We propose that underlying many of these shifts is a growing recognition of the value of understanding health care delivery and integration as processes situated in Complex-Adaptive Systems (CAS).

This review builds a descriptive framework against which to assess, compare, and track integration strategies over time.

The purpose of this paper is to develop a case definition of integrated health and social services initiatives that serve older adults, and will provide characteristics to aid in the identification of such initiatives. The case definition is intended to ease the identification of integrated health and social care initiatives.

A limited search was undertaken of both scientific and gray literature that documented and/or examined integrated health and social services initiatives. In addition, literature on well-documented and generally accepted integrated healthcare and social services models that reflect collaborations from healthcare and social services organizations that support older adults was also used to develop the case definition.

The case definition is as follows: healthcare organizations from across the continuum of care working together with social services organizations, so that services are complementary and coordinated in a seamless and unified system, with care continuity for the patient/client in order to achieve desired health outcomes within a holistic perspective; the initiatives comprise at least one healthcare organization and one social care organization; and these initiatives possess 18 characteristics, grouped under 9 themes: patient care approach; program goals; measurement; service and care quality; accountability and responsibility; information sharing; culture; leadership; and staff and professional interaction.

A limitation of this study is that the characteristics are based on a limited literature search. The quality of some of the literature both gray and published was not definitive: information on how they undertook the literature search was not provided; exclusion and inclusion criteria were not included; and there was insufficient detail on the design of the studies included. Furthermore, the literature reviews are based on integrated initiatives that target both seniors and non-senior’s based services. The cross-section of initiatives studied is also different in scale and type, and these differences were not explored.

The case definition is a useful tool in aiding to further the understanding of integrated health and social care initiatives. The number of definitions that exist for integrated health and social care initiatives can make it confusing to clearly understand this field and topic. The characteristics identified can assist in providing greater clarity and understanding on health and social care integration.

This study provides greater coherence in the literature on health and social care integration. It aids in better framing the phenomenon of healthcare and social services integration, thereby enhancing understanding. Finally, the study provides a very useful and concrete list of identifying characteristics, to aid in identifying integrated health and social care initiatives that serve older adults.

This article analyses a major healthcare and social welfare reform establishing new regional and integrated wellbeing services counties in Finland. The authors approach the reform and service integration as a knowledge management (KM) issue and analyse how KM appears and contributes in the context of integrated care, specifically in the process of integrating social and health care.

The article analyses the case organisation's KM initiatives in light of the integrated care literature and recognises the tasks and requirements for effective KM when building integrated health and social care system. The empirical research material for this qualitative study consisted of the case organisation's strategy documents, the results of an external maturity assessment, KM workshop materials and publicly available documentation of the Finnish health and social care reform.

This study identifies the mechanisms by which KM can support health and social services integration. At the macro level, national coordination and regional co-operation require common information structures. At the meso level, a shared regional strategy with shared objectives guides both organisational decision-making and collaboration between professionals. At the micro level, technology supported and data-driven planning of service chains complements the experiences of professionals and may help remove obstacles to integration.

This study contributes to the literature on integrated care by providing a more comprehensive view of the role and tasks of knowledge and KM when reforming health and social services than approaches focussing solely on health informatics and internal efficiency.

The purpose of this paper is to describe a two-part study that has explored the organisational and leadership competencies required for successful service integration within a health consortia in Australia. Preliminary organisational and leadership competency frameworks were developed to serve as reference points as the consortia it expanded to cater for increased service demand in the midst of significant health reform.

The study design is outlined, which involved literature reviews and semi-structured interviews with key stakeholders to ascertain the key determinants of successful service integration at both organisational and leadership levels.

The literature reviews revealed little existing research specifically focused on the organisational and leadership competencies that underpin successful service integration. The themes from the literature reviews and semi-structured interviews informed the preliminary organisational and leadership competency frameworks. Both frameworks are outlined in the paper. Key determinants of successful service integration – at both an organisational and individual leadership level – are also presented.

This is a one-organisation case study and the competency frameworks presented are preliminary. However, the study findings provide a foundation for further research focusing on the longer-term success of service integration.

Service integration in health is a new and emerging area, and there is little extant research exploring the organisational and leadership competencies underpinning its success. The competency frameworks presented in the paper may be of interest to other consortia and organisations engaged in service integration and other forms of merger and collaboration.

This paper aims to: analyze the challenge of health services fragmentation; present the attributes of integrated health service delivery networks (IHSDNs); review lessons learned on integration; examine recent developments in selected countries; and discuss policy implications of implementing IHSDNs.

A literature review, expert meetings, and country consultations (national, subregional, and regional) in the Americas resulted in a set of consensus‐based essential attributes for implementing IHSDNs. The analysis of 11 country case studies on integration allowed for the identification of lessons learned.

Studies suggest that IHSDNs could improve health systems performance. Principal findings include: integration processes are difficult, complex, and long term; integration requires extensive systemic changes and a commitment by health workers, health service managers and policymakers; and, multiple modalities and degrees of integration can coexist within a system. The public policy objective is to propose a design that meets each system's specific organizational needs.

The analysis presented in this paper is qualitative.

Some policy implications for implementing IHSDNs are presented in the paper.

The research and evidence on integration remains limited. The paper expands the knowledge‐base on the topic, presenting lessons learned on integration and recent developments in selected countries, which can support integration efforts in the region.

The purpose of this paper is to examine the effects of an integration programme on service users from users’ own perspective.

Multi-method approach was used. Both quantitative and qualitative data collection and analysis were employed to uncover and examine service users’ views of the impact of the integration programme.

An improvement in the physical functioning of one in three occupational equipment users; a rise in the level of satisfaction of 85 per cent of occupational health and 82 per cent of physiotherapy users; older people with complex problems and high-level needs were able to be helped to live at home; and waiting times for both assessment and for services within two weeks and four weeks were below the national achievement and ministerial targets. The impact of the integration programme on users was complex. Positive outcomes were achieved for some user groups and individuals but not for others. A lack of change outcomes in social care, and service users’ low level of satisfaction with social care services appears to be associated with the impact of agency work and the predominant aim in social work of achieving maintenance and prevention outcomes.

This paper contributes to knowledge on what and how the total integration in Cambridgeshire has benefited users.