• Niels H Bech, Inger N Sierevelt, Aleid de Rooij, KerkhoffsGino M M JGMMJDepartment of Orthopaedic Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands.Academic Center for Evidence-Based Sports Medicine (ACES), Amsterdam, The Netherlands.Amsterdam Colla, and Daniel Haverkamp.
• Specialized Center of Orthopaedic Research and Education (SCORE), Department of Orthopedic Surgery, Xpert Orthopedic Surgery Clinic, Amsterdam, The Netherlands. niels.bech@gmail.com.
• Knee Surg Sports Traumatol Arthrosc. 2021 Sep 1; 29 (9): 2837-2842.

PurposeThis study was conducted to investigate whether the pain catastrophizing scale (PCS) and the central sensitization inventory (CSI) are predictive factors for the reported pain after hip arthroscopy.MethodsA total of 37 patients undergoing hip arthroscopy for femoroacetabular impingement syndrome and labral tears were prospectively enrolled. All patients completed the PCS and CSI before hip arthroscopy. Postoperative pain was measured with the numeric rating scale (NRS) weekly the first 12 weeks after surgery by electronic diary.ResultsAt baseline, univariate analyses showed that both the CSI and PCS were significantly associated with the NRS outcome (p < 0.01). During 12 weeks follow-up, a significant decrease on the NRS was observed (p < 0.01). Univariate analyses showed that both the CSI and PCS were significantly associated with the NRS during follow-up. Multivariate mixed model analysis showed that only the PCS remained significantly associated with the NRS outcome with a ß of 0.07 (95% CI 0.03-0.11, p < 0.01).ConclusionResults indicate that both the PCS and CSI are associated with the reported postoperative pain after hip arthroscopy. The PCS and CSI may be useful in daily practice to identify patients that possibly benefit from pain catastrophizing reduction therapy (e.g. counseling) prior to surgery.Level Of EvidenceIV.© 2021. The Author(s).

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