• Javier Martinez-Calderon, Mar Flores-Cortes, Jose Miguel Morales-Asencio, and Alejandro Luque-Suarez.
• Physiotherapy Department, Faculty of Health Sciences, University of Malaga, Malaga, Spain.
• J Pain. 2021 Aug 1; 22 (8): 879-891.

AbstractThe objective of this study was to analyze the cross-sectional and longitudinal association between pain catastrophizing and opioid misuse, opioid use, and opioid dose in people with chronic musculoskeletal pain. For this systematic review, CINAHL, Embase, PsycINFO, PubMed, manual searches, and grey literature were searched from inception to May 2020. Observational studies were included if they evaluated the association between pain catastrophizing and opioid dose, opioid use, and/or opioid misuse in people with chronic musculoskeletal pain. Two reviewers independently performed the study selection, data extraction, risk of bias assessment, and the certainty of the evidence judgment. Seven observational studies (all cross-sectional designs) satisfied the eligibility criteria, with a total sample of 2,160 participants. Pain catastrophizing was associated with opioid misuse. The results were inconsistent regarding the association between pain catastrophizing and opioid use. A lack of association was found considering pain catastrophizing and the opioid dose. However, the presence of risk of bias and imprecision was serious across the included studies, and therefore, the overall certainty of the evidence was judged as very low for all the outcome measures. This report concludes that pain catastrophizing seem to be associated with opioid misuse in people with chronic musculoskeletal pain. However, the very low certainty of the current evidence confers to interpret the finding of this review as exclusively informative. PERSPECTIVE: This article shows that pain catastrophizing seem to be associated with opioid misuse in people with chronic musculoskeletal pain. The overall certainty of the evidence was judged to be very low, thus, these results should be interpreted with caution.Copyright © 2021 United States Association for the Study of Pain, Inc. Published by Elsevier Inc. All rights reserved.

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