Timing of anterior cruciate ligament reconstruction and preoperative pain are important predictors for postoperative kin
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Timing of anterior cruciate ligament reconstruction and preoperative pain are important predictors for postoperative kinesiophobia W. W. E. S. Theunissen1 · M. C. van der Steen1,2 · W. Y. Liu1 · R. P. A. Janssen1,3,4 Received: 10 May 2019 / Accepted: 16 December 2019 © The Author(s) 2019
Abstract Purpose Fear of movement (kinesiophobia) is a major limiting factor in the return to pre-injury sport level after anterior cruciate ligament reconstruction (ACLR). The aim of this study was to gain insight into the prevalence of kinesiophobia pre-ACLR, 3 months post-ACLR and 12 months post-ACLR. Furthermore, the preoperative predictability of kinesiophobia at 3 months post-ACLR was addressed. Methods A retrospective study with data, which were prospectively collected as part of standard care, was conducted to evaluate patients who underwent ACLR between January 2017 and December 2018 in an orthopaedic outpatient clinic. Patient characteristics (age, sex, body mass index), injury-to-surgery time, preoperative pain level (KOOS pain subscale) and preoperative knee function (IKDC-2000) were used as potential predictor variables for kinesiophobia (TSK-17) at 3 months post-ACLR in linear regression analysis. Results The number of patients with a high level of kinesiophobia (TSK > 37) reduced from 92 patients (69.2%) preoperatively to 44 patients (43.1%) 3 months postoperatively and 36 patients (30.8%) 12 months postoperatively. The prediction model, based on a multivariable regression analysis, showed a positive correlation between four predictor variables (prolonged injury-to-surgery time, high preoperative pain level, male sex and low body mass index) and a high level of kinesiophobia at 3 months postoperatively (R2 = 0.384, p = 0.02). Conclusion The prevalence of kinesiophobia decreases during postoperative rehabilitation, but high kinesiophobia is still present in a large portion of the patients after ACLR. Timing of reconstruction seems to be the strongest predictor for high kinesiophobia 3 months post-ACLR. This study is the first step in the development of a screening tool to detect patients with kinesiophobia after ACLR. Identifying patients preoperatively opens the possibility to treat patients and thereby potentially increase the return to pre-injury sport level rate after ACLR. Level of evidence III. Keywords Fear of movement · Fear avoidance model · Knee joint · Patient-reported outcome measures · Psychology · Tampa Scale for Kinesiophobia
* R. P. A. Janssen [email protected] 1
Department of Orthopaedic Surgery and Trauma, Máxima Medical Center, Ds. Th. Fliednerstraat 1, 5631 BM Eindhoven, The Netherlands
2
Department of Orthopaedic Surgery, Catharina Hospital, Eindhoven, The Netherlands
3
Fontys University of Applied Sciences, Eindhoven, The Netherlands
4
Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
Abbreviations ACLR Anterior cruciate ligament reconstruction ITST Injury-to-surgery time TSK-17 Tampa Sca
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