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The critical path method to analyze and modify OR-workflow: integration of an image documentation system



The critical path method to analyze and modify OR-workflow: integration of an image documentation system



Minimally Invasive Therapy and Allied Technologies 15(3): 177-186



Intraoperative image documentation is becoming more and more important for quality management in medicine, in terms of forensic documentation, research and teaching. Up to now, no software-based OR-image-documentation system fits satisfactorily into an OR-workflow. The objective of this study is to transparently show system integration in a clinical workflow for evaluating demands on future system developments. An example of the OR-workflow is presented for the department of obstetrics and gynecology at the University of Tuebingen (Germany). Twelve representative gynecologic laparoscopic surgeries were analyzed by using the critical path method (CPM). CPM network diagrams are shown for an actual laparoscopic workflow and for a workflow including an OR-image-documentation system. With the objective not to increase the total time of actual workflow, the maximum system operation time can be calculated for each period of time. Before surgery the maximum system operation time is x(max) = 7,3 minutes. After surgery it has to be assumed that system operation will increase total workflow time. Using the CPM to analyze requirements for system integration in a medical workflow has not yet been investigated. It is an appropriate method to transparently show integration possibilities and to define workflow-based requirements for the development process of new systems.

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Accession: 050595201

Download citation: RISBibTeXText

PMID: 16785184

DOI: 10.1080/13645700600768930


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