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Association Between Catastrophizing and Dizziness-Related Disability Assessed With the Dizziness Catastrophizing
David D Pothier1, Parita Shah2,3, Lena Quilty2
1Department of Otolaryngology-Head and Neck Surgery, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada.
JAMA Otolaryngology-- Head & Neck Surgery
|August 22, 2018
Summary
Catastrophizing, a fear and worry process, was measured using the Dizziness Catastrophizing Scale (DCS). The DCS is a valid tool that shows dizziness catastrophizing is independently linked to disability in patients with chronic dizziness.
Area of Science:
- Neuroscience
- Psychology
- Clinical Medicine
Background:
- Catastrophizing is an irrational fear and worry process linked to symptoms.
- Its role in chronic dizziness and imbalance has not been previously explored.
Purpose of the Study:
- To validate the Dizziness Catastrophizing Scale (DCS).
- To assess the association between dizziness catastrophizing and disability, compared to anxiety and depression.
Main Methods:
- Retrospective medical record review of 457 adult outpatients with dizziness or imbalance.
- Psychometric evaluation of the DCS, adapted from the Pain Catastrophizing Scale.
- Structural equation modeling and regression analyses to assess associations with disability.
Main Results:
- The DCS demonstrated good validity and reliability.
- Dizziness catastrophizing was independently associated with dizziness-related disability (β=0.378, P<.001).
- A strong association between catastrophizing and disability was found across diagnoses.
Conclusions:
- The DCS is a valid and reliable measure for assessing catastrophic thinking in dizziness patients.
- Dizziness catastrophizing is independently associated with disability.
- Future research should explore interventions to reduce catastrophizing and improve outcomes.
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