Interoperability is essential.

Managing complexity is what makes it sustainable.

Healthcare systems are constantly evolving – driven by new standards, regulations and the growing need for data exchange.

Most solutions improve connectivity, but increase complexity over time.

NSFlare ensures your architecture evolves without becoming unmanageable.

The healthcare context

Healthcare systems are evolving at an unprecedented pace.

New regulatory frameworks emerge, interoperability expectations expand and data reuse becomes central to both research and policy. Standards such as FHIR, OMOP and SNOMED CT are increasingly adopted, while initiatives like the European Health Data Space (EHDS) reshape the long-term digital landscape.

In response, healthcare organisations introduce new interfaces, data models and integration layers. Each step is rational and often necessary. Yet over time, successive additions can make the digital environment more complex, tightly coupled and harder to adapt.

The challenge is not the standards themselves. It is how they are integrated and how the overall architecture absorbs change.

Sustainable healthcare transformation requires more than interoperability. It requires digital foundations explicitly designed to manage semantic complexity and structural evolution over the long term.

NSX contributes to this challenge by combining applied healthcare initiatives with a structural architectural framework focused on evolvability and resilience.

Reducing Stress on the Healthcare System

Healthcare systems are facing increasing demand, workforce constraints and growing structural complexity. Addressing this stress requires more than isolated initiatives – it calls for coordinated action across the system.

Two complementary levers play a central role.

On the one hand, alleviating care demand through prevention, early guidance and improved health literacy can help people access the right support at the right time, often before more intensive care is required.

On the other hand, strengthening care supply through better organisation, data reuse and interoperable digital infrastructures enables healthcare professionals and organisations to operate more efficiently and collaboratively.

Both perspectives are essential. Focusing on one without the other risks shifting the problem rather than resolving it.

Sustainable healthcare transformation therefore depends on the ability to act on both levers – while ensuring that the underlying digital architecture can support continuous change rather than amplify complexity.

NSFlare -The Architectural Response

Healthcare systems increasingly rely on standards such as FHIR, OMOP and SNOMED CT to enable interoperability and data reuse. These standards are essential. However, introducing them does not automatically make systems easier to manage.

In practice, new standards are often added step by step – through extra interfaces, data layers or project-based solutions. While each addition makes sense on its own, the overall result is often a landscape that becomes more complex, more interconnected and harder to adapt over time.

The challenge is therefore not the standard itself, but how different standards, legacy systems and evolving requirements interact and change together.

NSFlare is the architectural framework developed by NSX to address this challenge.

Rather than adding another layer on top, NSFlare focuses on keeping the overall structure of the system manageable as it evolves. It allows organisations to introduce new standards and data models without losing control over their architecture.

In practical terms, NSFlare enables organisations to generate interoperable APIs directly from implementation guides and connect them to underlying data sources. This allows standards such as FHIR to be implemented in a structured and maintainable way, rather than through ad hoc integrations.

In essence, NSFlare ensures that:

  • stable concepts in the domain remain clearly separated from technical implementations
  • changes in one part of the system do not create unintended consequences elsewhere
  • increasing interoperability does not lead to increasing complexity

This makes it possible to:

  • integrate FHIR-based interfaces in a controlled and evolvable way
  • connect operational systems with research models such as OMOP
  • incorporate terminology systems such as SNOMED CT consistently
  • modernise legacy systems step by step, without breaking what already works

The goal is not faster short-term integration, but a system that remains understandable, adaptable and sustainable over time.

Applied in Real Healthcare Contexts

NSFlare is not developed in isolation. It is grounded in real-world healthcare initiatives that address both sides of the system.

Through these initiatives, NSX engages directly with the challenges of prevention, care delivery, data reuse and cross-organisational collaboration – providing a practical foundation for the architectural approach described above.

Strengthening Care Supply

Projects such as iCAREdata and iPSYcare focus on the reuse and structuring of healthcare data across organisations.

They contribute to:

  • enabling data-driven research and policy
  • structuring and governing clinical data across systems
  • supporting collaboration between healthcare providers

iCAREdata (Improving Care And Research Electronic Data Trust Antwerp) is a central clinical research database supporting the analysis of out-of-hours care in Belgium. It enables researchers to study care trajectories and patient contacts across multiple OOH services, providing broader insight into the chain of care for unplanned medical problems.

The initiative illustrates the complexity of linking heterogeneous clinical data sources while respecting strict governance and privacy constraints. Researchers access aggregated data through a defined procedure, ensuring controlled and compliant secondary use.

iCAREdata demonstrates that sustainable data reuse depends on stable semantic alignment and long-term architectural coherence.

iPSYcare is a data capability initiative in mental healthcare aimed at improving care organisation through systematic analysis of patient flows and delivered care across multiple psychiatric hospitals.

The project develops a central database integrating pseudonymised patient data and forms the basis for a dynamic dashboard that provides policy-relevant insights to care actors. Its objective is system-level understanding and governance-informed improvement, not individual clinical decision support.

By combining cross-institutional data integration with strict access control and pseudonymisation from the outset, iPSYcare highlights how sustainable healthcare optimisation requires robust data governance embedded within scalable architectural foundations.

Alleviating Care Demand

Initiatives such as VivaHub and Zipster focus on improving access to care, strengthening prevention and supporting people in navigating available services.

They address challenges such as:

  • guiding citizens towards appropriate support at an early stage
  • improving health literacy and accessibility
  • activating local ecosystems around care and wellbeing

Zipster operates at the intersection of healthcare and social care. It connects citizens to formal and informal support networks, facilitating access to preventive, psychosocial and community-based services.

The initiative demonstrates how interoperability increasingly extends beyond hospital environments into welfare, social determinants and local service ecosystems, each characterised by distinct data models and organisational structures.

Zipster underscores that scalable coordination across such domains requires architectures capable of managing semantic diversity and continuous evolution.

VivaHub integrates physical neighbourhood activation with digital health support mechanisms. It connects local services, prevention initiatives and citizen-facing tools within a broader healthcare ecosystem.

The model illustrates the growing importance of hybrid infrastructures that bridge community engagement and digital coordination, particularly in preventive and population health contexts.

VivaHub reinforces a structural insight shared across all initiatives: innovation at ecosystem level must be supported by architectural frameworks that ensure long-term stability and adaptability.

From Practice to Structure

Individually, initiatives such as iCAREdata, iPSYcare, Zipster and VivaHub create tangible value in specific healthcare contexts.

Collectively, they reveal a broader challenge: as innovation increasingly spans organisations, data models and use cases, the interdependence between systems grows.

Without a structural approach to manage this evolution, each new initiative risks adding complexity rather than reducing it.

Sustainable healthcare transformation therefore requires more than successful projects. It requires a shared architectural foundation that allows innovation to scale without fragmentation.

By combining applied ecosystem engagement with a structural framework for evolvability, NSX contributes to healthcare infrastructures that are not only interoperable, but resilient over time.

We enable innovation that remains sustainable over time.

Photo by Ann H.

Let's Talk

Healthcare transformation involves multiple stakeholders – from policy makers and healthcare providers to data teams and technology partners. The choices made today in interoperability, data modelling and architecture will shape the resilience of healthcare systems for years to come.

If you are working on these challenges – whether in a healthcare organization, a research environment or at policy level – you are likely facing increasing complexity, evolving standards and growing interdependencies between systems.

At NSX, we approach these challenges from a structural perspective, combining hands-on healthcare initiatives with a focus on long-term evolvability.

We welcome an open exchange on how to build healthcare systems that remain manageable, adaptable and sustainable over time.

Stijn Coolbrandt

Healthcare Lead

stijn.coolbrandt@nsx.normalizedsystems.org
+32 476 33 25 47