Development and Content Validation of the Vienna Post-Exertional Malaise Questionnaire: An Iterative Mixed-Methods Study
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Summary
This study details the development and initial content validation of the Vienna Post-Exertional Malaise Questionnaire (VPEM-Q), a new instrument designed to capture post-exertional malaise as a multidimensional exertion-response pattern. Using an iterative mixed-methods approach, the researchers aimed to create a tool that accounts for diverse triggers, variable symptom onset, and prolonged recovery periods associated with PEM, which is a hallmark symptom of conditions like myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).
Key quotes
· 3 pulledPost-exertional malaise (PEM) is increasingly understood not as a singular symptom but as a multidimensional exertion-response pattern involving diverse triggers, variable onset, and prolonged recovery.
This study aimed to develop and content-validate the Vienna Post-Exertional Malaise Questionnaire.
The iterative mixed-methods approach allowed for refinement of the instrument based on both expert input and patient perspectives.
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