Methods Inf Med - Surgical workflow management schemata for cataract procedures. process model-based design and validation of workflow schemata.

Tópicos

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Resumo

JECTIVE: Workflow guidance of surgical activities is a challenging task. Because of variations in patient properties and applied surgical techniques, surgical processes have a high variability. The objective of this study was the design and implementation of a surgical workflow management system (SWFMS) that can provide a robust guidance for surgical activities. We investigated how many surgical process models are needed to develop a SWFMS that can guide cataract surgeries robustly.METHODS: We used 100 cases of cataract surgeries and acquired patient-individual surgical process models (iSPMs) from them. Of these, randomized subsets iSPMs were selected as learning sets to create a generic surgical process model (gSPM). These gSPMs were mapped onto workflow nets as workflow schemata to define the behavior of the SWFMS. Finally, 10 iSPMs from the disjoint set were simulated to validate the workflow schema for the surgical processes. The measurement was the successful guidance of an iSPM.RESULTS: We demonstrated that a SWFMS with a workflow schema that was generated from a subset of 10 iSPMs is sufficient to guide approximately 65% of all surgical processes in the total set, and that a subset of 50 iSPMs is sufficient to guide approx. 80% of all processes.CONCLUSION: We designed a SWFMS that is able to guide surgical activities on a detailed level. The study demonstrated that the high inter-patient variability of surgical processes can be considered by our approach.

Resumo Limpo

jectiv workflow guidanc surgic activ challeng task variat patient properti appli surgic techniqu surgic process high variabl object studi design implement surgic workflow manag system swfms can provid robust guidanc surgic activ investig mani surgic process model need develop swfms can guid cataract surgeri robustlymethod use case cataract surgeri acquir patientindividu surgic process model ispm random subset ispm select learn set creat generic surgic process model gspm gspms map onto workflow net workflow schemata defin behavior swfms final ispm disjoint set simul valid workflow schema surgic process measur success guidanc ispmresult demonstr swfms workflow schema generat subset ispm suffici guid approxim surgic process total set subset ispm suffici guid approx processesconclus design swfms abl guid surgic activ detail level studi demonstr high interpati variabl surgic process can consid approach

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