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首页> 外文期刊>BMC Medical Informatics and Decision Making >Evaluating users’ experiences of electronic prescribing systems in relation to patient safety: a mixed methods study
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Evaluating users’ experiences of electronic prescribing systems in relation to patient safety: a mixed methods study

机译：评估用户关于患者安全性的电子规定系统的经验：混合方法研究

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User interface (UI) design features such as screen layout, density of information, and use of colour may affect the usability of electronic prescribing (EP) systems, with usability problems previously associated with medication errors. To identify how to improve existing systems, our aim was to explore prescribers’ perspectives of UI features of a commercially available EP system, and how these may affect patient safety. Two studies were conducted, each including ten participants prescribing a penicillin for a test patient with a penicillin allergy. In study 1, eye-gaze tracking was used as a means to explore visual attention and behaviour during prescribing, followed by a self-reported EP system usability scale. In study 2, a think-aloud method and semi-structured interview were applied to explore participants’ thoughts and views on prescribing, with a focus on UI design and patient safety. Study 1 showed high visual attention toward information on allergies and patient information, allergy pop-up alerts, and medication order review and confirmation, with less visual attention on adding medication. The system’s usability was rated ‘below average’. In study 2, participants highlighted EP design features and workflow, including screen layout and information overload as being important for patient safety, benefits of EP systems such as keeping a record of relevant information, and suggestions for improvement in relation to system design (colour, fonts, customization) and patient interaction. Specific UI design factors were identified that may improve the usability and/or safety of EP systems. It is suggested that eye-gaze tracking and think-aloud methods are used in future experimental research in this area. Limitations include the small sample size; further work should include similar studies on other EP systems.
机译：用户界面（UI）屏幕布局，信息密度和颜色使用的设计特征可能会影响电子规定（EP）系统的可用性，具有先前与药物错误相关的可用性问题。为了确定如何改进现有系统，我们的目的是探索市售EP系统的UI特征的规定视角，以及这些可能会影响患者安全性。进行了两项研究，每个研究包括有10名参与者，为有青霉素过敏的试验患者处置青霉素。在研究1中，眼睛凝视跟踪被用作在处方期间探索视觉关注和行为的手段，然后是自我报告的EP系统可用性规模。在研究2中，应用了一个思考的方法和半结构性面试，探讨了参与者的想法和对处方的看法，重点是UI设计和患者安全。研究1对过敏和患者信息的信息，过敏弹出警报和药物秩序审查和确认，对添加药物的视觉关注较轻。该系统的可用性被评为“低于平均”。在研究中，参与者强调了EP设计功能和工作流程，包括屏幕布局和信息过载，对于患者安全，EP系统的好处，例如保留相关信息的记录，以及与系统设计相关的提出建议（颜色，字体，定制）和患者互动。确定了特定的UI设计因子，可以提高EP系统的可用性和/或安全性。建议在该地区的未来实验研究中使用眼光跟踪和思考方法。限制包括小样本大小;进一步的工作应包括对其他EP系统的类似研究。

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