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The critical path method to analyze and modify OR-workflow: integration of an image documentation system
A Endress1, B Aydeniz, D Wallwiener
1Department of Obstetrics and Gynecology, University of Tuebingen, Tuebingen, Germany.
Summary
Integrating OR image documentation systems into surgical workflows is crucial for quality management. The critical path method (CPM) can define system requirements without increasing surgical times.
Area of Science:
- Medical Informatics
- Surgical Workflow Analysis
- Quality Management in Healthcare
Background:
- Intraoperative image documentation is vital for medical quality management, forensic records, research, and teaching.
- Current software-based operating room (OR) image documentation systems do not integrate seamlessly into existing OR workflows.
- There is a need for systems that enhance documentation without disrupting clinical processes.
Purpose of the Study:
- To transparently demonstrate system integration within a clinical workflow.
- To evaluate the demands for future OR image documentation system developments.
- To analyze the impact of integrating an OR image documentation system on surgical workflow efficiency.
Main Methods:
- Analysis of twelve representative gynecologic laparoscopic surgeries.
- Application of the critical path method (CPM) to model surgical workflows.
- Development of CPM network diagrams for actual and integrated OR workflows.
- Calculation of maximum allowable system operation times to avoid workflow delays.
Main Results:
- The critical path method (CPM) was used to analyze OR-image-documentation system integration.
- CPM network diagrams illustrated workflow changes with and without the documentation system.
- Maximum system operation time before surgery was calculated as 7.3 minutes.
- Integration after surgery is anticipated to increase overall workflow time.
Conclusions:
- CPM is an effective method for analyzing system integration in medical workflows.
- CPM helps to transparently identify integration possibilities and define workflow-based requirements.
- This approach supports the development of new OR image documentation systems that fit clinical needs.
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