Comput Methods Programs Biomed - Improved workflow modelling using role activity diagram-based modelling with application to a radiology service case study.

Tópicos

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Resumo

The modelling of complex workflows is an important problem-solving technique within healthcare settings. However, currently most of the workflow models use a simplified flow chart of patient flow obtained using on-site observations, group-based debates and brainstorming sessions, together with historic patient data. This paper presents a systematic and semi-automatic methodology for knowledge acquisition with detailed process representation using sequential interviews of people in the key roles involved in the service delivery process. The proposed methodology allows the modelling of roles, interactions, actions, and decisions involved in the service delivery process. This approach is based on protocol generation and analysis techniques such as: (i) initial protocol generation based on qualitative interviews of radiology staff, (ii) extraction of key features of the service delivery process, (iii) discovering the relationships among the key features extracted, and, (iv) a graphical representation of the final structured model of the service delivery process. The methodology is demonstrated through a case study of a magnetic resonance (MR) scanning service-delivery process in the radiology department of a large hospital. A set of guidelines is also presented in this paper to visually analyze the resulting process model for identifying process vulnerabilities. A comparative analysis of different workflow models is also conducted.

Resumo Limpo

model complex workflow import problemsolv techniqu within healthcar set howev current workflow model use simplifi flow chart patient flow obtain use onsit observ groupbas debat brainstorm session togeth histor patient data paper present systemat semiautomat methodolog knowledg acquisit detail process represent use sequenti interview peopl key role involv servic deliveri process propos methodolog allow model role interact action decis involv servic deliveri process approach base protocol generat analysi techniqu initi protocol generat base qualit interview radiolog staff ii extract key featur servic deliveri process iii discov relationship among key featur extract iv graphic represent final structur model servic deliveri process methodolog demonstr case studi magnet reson mr scan servicedeliveri process radiolog depart larg hospit set guidelin also present paper visual analyz result process model identifi process vulner compar analysi differ workflow model also conduct

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