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Interdisciplinary cognitive task analysis: a strategy to develop a comprehensive endoscopic retrograde
Erin Canopy1, Matt Evans1, Margaret Boehler1
1Department of Surgery, Southern Illinois University School of Medicine, 701 N First St., PO Box 19638, Springfield, IL 62794, USA.
Background:
Endoscopic retrograde cholangiopancreatography is a challenging procedure performed by surgeons and gastroenterologists. We employed cognitive task analysis to identify steps and decision points for this procedure.
Methods:
Standardized interviews were conducted with expert gastroenterologists (7) and surgeons (4) from 4 institutions. A procedural step and cognitive decision point protocol was created from audio-taped transcriptions and was refined by 5 additional surgeons.
Results:
Conceptual elements, sequential actions, and decision points were iterated for 5 tasks: patient preparation, duodenal intubation, selective cannulation, imaging interpretation with related therapeutic intervention, and complication management. A total of 180 steps were identified. Gastroenterologists identified 34 steps not identified by surgeons, and surgeons identified 20 steps not identified by gastroenterologists.
Conclusion:
The findings suggest that for complex procedures performed by diverse practitioners, more experts may help delineate distinctive emphases differentiated by training background and type of practice.
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