初级保健决策支持系统用户界面的开发和专家检查

IF 3.7 2区医学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS

International Journal of Medical Informatics Pub Date : 2024-10-11 DOI:10.1016/j.ijmedinf.2024.105651

Michaela Christina Neff , Dania Schütze , Svea Holtz , Susanne Maria Köhler , Jessica Vasseur , Najia Ahmadi , Holger Storf , Jannik Schaaf

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引用次数: 0

摘要

背景全科医生在诊断不明疾病患者方面发挥着独特的关键作用。本研究的目的是开发一个高保真的基层医疗临床决策支持系统用户界面原型，特别是用于诊断不明确疾病的用户界面原型，在开发的早期阶段使用专家检查以确保高水平的可用性。在开发阶段，所有专家每隔四周进行三次可用性检查，作为启发式演练。每次检查包括两个部分：1）基于任务的检查 2）基于可用性启发式的自由探索和评估。五位领域专家对当前的开发状况进行了评估。检查中的任务是基于需求分析中得出的任务模型：执行数据录入、审查和讨论结果、安排进一步诊断、推荐专家和结案。结果经过反复开发，我们创建了一个高保真、可点击的用户界面原型，它能够完成任务模型中的所有六项任务。可用性检查共发现了 196 个可用性问题（所有 3 次检查；第 1 部分：90 个问题，第 2 部分：106 个问题），严重程度从轻到重不等。这些问题有助于原型的不断调整和改进。结论通过启发式演练进行可用性检查可以支持和优化以用户为中心的决策支持系统的开发，以确保其适合执行相关任务。

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Development and expert inspections of the user interface for a primary care decision support system

Background

General practitioners play a unique key role in diagnosing patients with unclear diseases. Decision support systems in primary care can assist with diagnosis provided that they are efficient and user-friendly.

Objectives

The objective of this study is to develop a high-fidelity prototype of the user interface of a clinical decision support system for primary care, particularly for diagnosis support in unclear diseases, using expert inspections at an early stage of development to ensure a high level of usability.

Methods

The user interface prototype was iteratively developed based on previous research, design principles, and usability guidelines. During the development phase, three usability inspections were carried out by all experts at four-week intervals as heuristic walkthrough. Each inspection consisted of two parts: 1) Task-based inspection 2) Free exploration and evaluation based on usability heuristics. Five domain experts assessed the current status of development.

The tasks in the inspections were based on the task model derived in the requirements analysis: perform data entry, review and discuss results, schedule further diagnostics, refer to specialists and close case.

Results

As a result of this iterative development, a high-fidelity, clickable user interface prototype was created that is able to fulfil all six tasks of our task model. The usability inspections identified a total of 196 usability issues (for all 3 inspections; Part 1: 90 issues, Part 2: 106 issues), ranging in severity from minor to severe. These served the continuous adjustment and improvement of the prototype. All main tasks were completed successfully despite these problems.

Conclusion

Usability inspections through heuristic walkthroughs can support and optimise the development of a user-centred decision support system in order to ensure its suitability for performing relevant tasks.

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来源期刊

International Journal of Medical Informatics 医学-计算机：信息系统

CiteScore

8.90

自引率

4.10%

发文量

217

审稿时长

42 days

期刊介绍： International Journal of Medical Informatics provides an international medium for dissemination of original results and interpretative reviews concerning the field of medical informatics. The Journal emphasizes the evaluation of systems in healthcare settings. The scope of journal covers: Information systems, including national or international registration systems, hospital information systems, departmental and/or physician''s office systems, document handling systems, electronic medical record systems, standardization, systems integration etc.; Computer-aided medical decision support systems using heuristic, algorithmic and/or statistical methods as exemplified in decision theory, protocol development, artificial intelligence, etc. Educational computer based programs pertaining to medical informatics or medicine in general; Organizational, economic, social, clinical impact, ethical and cost-benefit aspects of IT applications in health care.