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Aug 21, 2026·Revista Saúde dos Vales
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The Principles of Brazil's Unified Health System (SUS) and Current Challenges to Ensuring Universal Access to Healthcare

Helenitta Melo da Silva Alves, Juliana Reis de Alcantara, Simonia Mara De Oliveira, Karen de Fátima Figueroa Bohórquez · 8 authors

Brazil's Unified Health System (Sistema Único de Saúde-SUS) represents one of the world's largest publicly funded universal healthcare systems, providing comprehensive healthcare services to more than 200 million citizens. Established through the 1988 Federal Constitution and regulated by subsequent legislation, the SUS is founded on the principles of universality, comprehensiveness, equity, decentralization, regionalization, and social participation. These principles have enabled substantial advances in health indicators, expanded access to essential services, and reduced historical inequalities in healthcare provision. Nevertheless, the system currently faces increasingly complex challenges associated with demographic transitions, epidemiological changes, chronic underfunding, regional disparities, technological innovation, workforce shortages, judicialization of healthcare, and the growing demand for high-cost medical technologies. This academic essay critically examines the constitutional principles underlying the SUS and analyzes the contemporary barriers that threaten the effective realization of universal access to healthcare in Brazil. By integrating theoretical discussions with institutional and policy perspectives, the essay explores how structural, political, economic, managerial, and demographic factors influence the sustainability of universal health coverage. The discussion also reflects upon future strategies capable of strengthening governance, financing, digital transformation, and public management while preserving the constitutional commitment to health as a fundamental social right.

Open access
Public Health in Brazil
Health, Nursing, Elderly Care
Healthcare Systems and Reforms
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Aug 7, 2026·Research Square
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What explains the development of Kerala’s community-based palliative care model? A realist analysis of Witness Seminars on decentralization and health reforms in Kerala

Gloria Benny, Jaison Joseph, Hari Sankar, Devaki Nambiar

Abstract Background Palliative care needs are increasing in India, but access remains limited. Kerala is a notable exception, with a widely developed community-based, home-based palliative care approach. Its development coincided with governance reforms, particularly the People’s Planning Campaign (PPC) in 1996, which decentralisation by transferring planning responsibility, decision space, and financial authority to Local Self-Governments (LSGs), while expanding participation in priority-setting. Although Kerala’s palliative care outcomes are well documented, less is known about how decentralised institutions, political priorities, and local histories supported the model’s emergence and scale-up. This study examines how LSG-level decentralisation created conditions for initiatives, what mechanisms sustained them, and how they gained policy legitimacy, from those who witnessed and shaped these developments. Methods We used Witness Seminar (WS) methods, an oral-history approach bringing together people who witnessed or influenced a historical development to reconstruct events and create an archival record. Three WS were held in 2021 with 22 participants from the health department, LSGs, bureaucracy, civil society, and PPC policy spaces. Inductive thematic analysis was applied to English transcripts using ATLAS.ti 9, followed by realist analysis to develop Context–Mechanism–Outcome (CMO) explanations linking decentralisation processes with the evolution of palliative care in Kerala. Results CMO configurations showed how decentralisation created contexts and mechanisms through which palliative care emerged as a community movement and later gained system-level support. The PPC enabled local planning, participation, and ownership, while community-based, volunteer-led home-care programmes developed across several panchayats. LSGs implemented these programmes through government Primary Health Centres transferred under decentralisation. As the value of the model became evident, the state health department scaled up palliative care, with finance and HRH support from the National (Rural) Health Mission proving critical. Conclusion Palliative care came to be viewed by stakeholders as central to health service delivery in Kerala, contributing to the State Palliative Care Policy in 2008. Decentralisation and sustained community participation can generate legitimacy and political commitment to embed such programmes within services. However, durable implementation also requires system-level enablers such as financing, human resources, and administrative support, alongside local relational foundations including trust, leadership, and shared ownership.

Open access
Social and Economic Development in India
Healthcare Systems and Reforms
Global Maternal and Child Health
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