Integrating medical terminologies into primary care decision support systems requires iterative UI refinement based on user and expert feedback.

Why It Matters

Effective integration of medical terminologies into CDSS UIs is crucial for improving diagnostic accuracy and efficiency in primary care. This research highlights the importance of a user-centered approach to bridge the gap between complex medical data and the practical needs of general practitioners, ultimately impacting patient care.

Key Finding

The study identified key requirements for CDSS user interfaces in primary care, emphasizing the need for refined input support and language to improve usability for general practitioners, and highlighted the necessity of integrating with existing electronic patient records.

Key Findings

• Requirements and options for supporting data entry in a CDSS UI for primary care were identified.
• Usability testing revealed a need for refining input support, particularly the language used, to enhance ease of use for general practitioners.
• A system interface to electronic patient records in primary care was identified as essential.

Research Evidence

Aim: How can the user interface of a clinical decision support system for primary care be designed to facilitate the user-friendly entry of medical concepts, considering country-specific vocabularies and heterogeneous data structures?

Method: Iterative User-Centered Design

Procedure: A five-step iterative user-centered design process was employed, involving conceptualization, UI implementation, user and expert feedback analysis, expert workshops, and the development of an extended UI concept.

Context: Primary care clinical decision support systems (CDSSs) in Germany.

Design Principle

User interfaces for specialized systems must be iteratively refined through expert and end-user feedback to ensure accurate and efficient data input, especially when dealing with complex or domain-specific terminologies.

How to Apply

Conduct thorough user research with target healthcare professionals to understand their current workflows and terminology usage. Develop prototypes and gather feedback iteratively, focusing on the clarity and ease of data entry for medical concepts. Ensure the system design accounts for interoperability with existing electronic health record systems.

Limitations

The study was conducted within the specific context of German primary care and its unique vocabulary and data structures, which may limit direct generalizability to other healthcare systems.

Student Guide (IB Design Technology)

Simple Explanation: To make medical software easy for doctors to use, designers need to ask doctors and experts for their opinions many times while building it, especially for how doctors type in medical information.

Why This Matters: This research shows that even with advanced technology, the success of a design depends on how well it fits the user's needs and workflow. For design projects, this means user testing and feedback are essential, not optional.

Critical Thinking: How might the challenges identified in integrating country-specific vocabularies be addressed in a globalized healthcare technology market?

IA-Ready Paragraph: This research highlights the critical role of iterative user-centered design in developing effective clinical decision support systems. By involving end-users and domain experts throughout the design process, particularly in refining the user interface for medical terminology input, designers can ensure the system is usable and integrates well into existing healthcare workflows, as demonstrated by the iterative refinement process and usability testing in the SATURN project.

Project Tips

• When designing a system for a specific user group, involve them early and often in the design process.
• Document all feedback received and explain how it influenced design decisions.

How to Use in IA

• Use this study to justify the iterative design process and the importance of user testing when developing a system for a specific professional group.

Examiner Tips

• Demonstrate a clear understanding of the target user's context and how their feedback directly shaped design choices.

Independent Variable: User interface design elements for medical terminology entry.

Dependent Variable: User-friendliness and usability of the CDSS interface for medical concept entry.

Controlled Variables: Specific medical terminologies, country-specific vocabularies, data structures, primary care setting.

Strengths

• Employs a structured, iterative user-centered design process.
• Involves both end-users (general practitioners) and domain experts.

Critical Questions

• To what extent can the identified UI requirements be generalized beyond the German primary care context?
• What are the long-term implications of poorly integrated medical terminologies on diagnostic accuracy and patient safety?

Extended Essay Application

• An Extended Essay could explore the development of a novel UI component for a medical system, using a similar iterative design and testing methodology, and critically analyze the impact of different terminology mapping strategies on user efficiency.

Source

Experiences With Integrating Medical Terminologies Into User Interfaces for a Decision Support System for Primary Care: Conceptual and Development Study · JMIR Medical Informatics · 2026 · 10.2196/74934