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The effectiveness and reporting standards of psychological interventions for improving short and long-term pain outcomes after total knee replacement: a systematic review

Research output: Contribution to journalArticle

Original languageEnglish
JournalBMJ Open
DateAccepted/In press - 18 Oct 2019

Abstract

Objectives: To assess the effectiveness and reporting standards of psychological interventions for improving outcomes after total knee replacement (TKR).

Design: The systematic review protocol was registered on the International Prospective Register of Systematic reviews (CRD42018095100). MEDLINE, EMBASE, and PsycINFO were searched from inception to up to 9th May 2019 with no language restrictions applied. Randomised controlled trials (RCTs) assessing the effectiveness of psychological interventions for short and long-term post-operative pain after TKR were included. Screening, data extraction and assessment of methodological quality was performed in duplicate by two reviewers. The primary effectiveness outcome was post-operative pain severity and the primary harm outcome was serious adverse events. Secondary outcomes included function, quality of life, and psychological wellbeing. Reporting standards were assessed using the TIDieR checklist for intervention reporting.

Results: 12 RCTs were included, with a total of 1299 participants. Psychological interventions comprised music therapy (five studies), guided imagery and music (one study), hypnosis (one study) progressive muscle relaxation with biofeedback (one study), pain coping skills programme (one study), cognitive behavioural therapy (two studies), and a post-operative management programme (one study). Due to the high heterogeneity of interventions and poor reporting of harms data, it was not possible to make any definitive statements about the overall effectiveness or safety of psychology interventions for pain outcomes after TKR.

Conclusion: Further evidence about the effectiveness of psychological interventions for improving pain outcomes after TKR is needed. The reporting of harm outcomes and intervention fidelity is currently poor and could be improved. Future work exploring the impact of intervention timing on effectiveness and whether different psychological approaches are needed to address acute post-operative pain and chronic post-operative pain would be of benefit.

    Research areas

  • Systematic review, Psychological, Intervention, Musculoskeletal, Knee replacement

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