Abstract Introduction Chronic diseases form the largest burden of disease in European countries. Redesign of health systems towards chronic integrated care is needed, with more collaboration between first and second line, between medical and social services and support to prevention and self-management. What are the levers for change in such health systems? This study addresses this knowledge gap, through a policy analysis of barriers and facilitators for change towards chronic integrated care. Methods 26 central level stakeholders were selected, based upon their influence in regulation and policy, financing, health care provision and community representation. Semi-structured face-to-face interviews were held covering assessment of past and current policies and implementation, barriers and opportunities for change. Results Reforms have taken place, such as the stimulation of local initiatives for chronic integrated care projects and the set-up of local care councils. Most stakeholders assessed the current Belgium's implementation of integrated care as low, despite a growing awareness for the need for change. A context factor often mentioned to constrain implementation was a state reform which led to a partial decentralization, fragmentation of decision power and a division of healthcare competences between federal and federated levels. Other barriers were the current financing system, the lack of investments in new models of care and the vested interests of providers. Discussion This analysis shows that chronic care reform in Belgium is constrained by partial decentralization of primary health care, and by the financing system and vested interests. It points to the need for coordination of health policy making and implementation. Disentangling the levels of decision-making and the financial leverage at these levels gives insights for change and change management, for the Belgium health system and other countries with a strong decentralized system. Key messages The current Belgium’s implementation of integrated care was assessed as low, due to different contexts factors such as division of health care competencies between different governmental levels. In a country as Belgium with a strong decentralized health care system coordination of health policy making and implementation is key in order to scale up integrated care for chronic diseases.
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