Worsening pain patterns and chronic post-surgical pain following total hip arthroplasty: A 6-month retrospective cohort study
Purpose: The aim of this study was to investigate chronic post-surgical pain (CPSP) in patients in the 6 months after total hip arthroplasty (THA), focusing on its prevalence, contributing factors, and duration. Methods: Study subjects were 257 women who underwent THA at a single hospital. The follo...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-09-01
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| Series: | Journal of Joint Surgery and Research |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949705125000209 |
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| Summary: | Purpose: The aim of this study was to investigate chronic post-surgical pain (CPSP) in patients in the 6 months after total hip arthroplasty (THA), focusing on its prevalence, contributing factors, and duration. Methods: Study subjects were 257 women who underwent THA at a single hospital. The following measures were evaluated pre-operatively and at 1, 2, and 6 months post-operatively: motion pain measured using a visual analog scale (VAS); central sensitization syndrome; pain catastrophizing; fear of movement; self-efficacy; anxiety; and depression scale. CPSP was defined as VAS ≥30 mm at 6 months post-operatively, and patients were dichotomized into CPSP and non-CPSP groups. The results were compared in a two-way analysis of variance (ANOVA) with presence and timing of CPSP as factors. Results: The incidence of CPSP was 5.1%, and the CPSP group was significantly older than the non-CPSP group. ANOVA showed that the VAS was significantly higher in the CPSP group at 1, 2, and 6 months post-operatively compared with the non-CPSP group. Furthermore, the VAS of the CPSP group was significantly higher, and it was worse at 6 months than at 1 month post-operatively. Conclusions: In this Japanese cohort, the incidence of CPSP after THA was lower than that reported in international studies. Although initial pain relief was observed, some patients experienced worsening pain from around 1 month post-operatively. This finding suggests the importance of timely interventions during this subacute period to help prevent the progression of CPSP. |
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| ISSN: | 2949-7051 |