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A comprehensive pain assessment tool (COMPAT) for chronic pancreatitis: Development, face validation and pilot
K Teo1, M H Johnson2, A M Drewes3
1Department of Surgery, School of Medicine, Faculty of Medical and Health Sciences, University of Auckland, New Zealand.
Summary
A new tool, the Comprehensive Pain Assessment Tool (COMPAT), was developed for chronic pancreatitis (CP) pain. It showed high face validity and acceptance among experts and patients, aiding in better pain assessment.
Area of Science:
- Gastroenterology and Hepatology
- Pain Medicine
- Medical Device Development
Background:
- Chronic pancreatitis (CP) pain management is complex and lacks validated assessment tools.
- Current treatment selection is hindered by the absence of tools addressing CP pain's multifaceted nature and mechanisms.
Purpose of the Study:
- To develop a Comprehensive Pain Assessment Tool (COMPAT) specifically for chronic pancreatitis.
- To evaluate the face validity of COMPAT with pancreatologists and CP patients.
- To pilot test COMPAT in a cohort of CP patients.
Main Methods:
- COMPAT was created by adapting existing tools and conducting a literature review.
- Face validity was assessed by experts and patients using an item-content validity index.
- Revisions were made based on feedback, followed by a pilot test with CP patients.
Main Results:
- The developed COMPAT effectively covers key aspects of CP pain.
- Experts and patients found 70% of COMPAT questions important and relevant.
- Pain Pattern C (constant background pain with attacks) showed higher pain frequency, opioid use, and affective descriptors compared to Pattern A (attacks without background pain).
Conclusions:
- COMPAT demonstrates high face validity and acceptance, enabling effective self-reporting of CP pain by patients.
- Pilot results suggest variations in CP pain mechanisms among patients.
- Further validation in a larger prospective cohort study is planned.
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