Six out of ten patients with sinus tarsi syndrome returned to pre-injury type of sport after subtalar arthroscopy
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Six out of ten patients with sinus tarsi syndrome returned to pre‑injury type of sport after subtalar arthroscopy Kenny Lauf1,2,3 · Jari Dahmen1,2,3 · J. Nienke Altink1,2,3 · Sjoerd A. S. Stufkens1,2,3 · Gino M. M. J. Kerkhoffs1,2,3 Received: 20 October 2020 / Accepted: 24 November 2020 © The Author(s) 2020
Abstract Purpose The purpose of this study was to determine multiple return to sport rates, long-term clinical outcomes and safety for subtalar arthroscopy for sinus tarsi syndrome. Methods Subtalar arthroscopies performed for sinus tarsi syndrome between 2013 and 2018 were analyzed. Twenty-two patients were assessed (median age: 28 (IQR 20–40), median follow-up 60 months (IQR 42–76). All patients were active in sports prior to the injury. The primary outcome was the return to pre-injury type of sport rate. Secondary outcomes were time and rate of return to any type of sports, return to performance and to improved performance. Clinical outcomes consisted of Numerous Rating Scale of pain, Foot and Ankle Outcome Score, 36-item Short Form Survey and complications and re-operations. Results Fifty-five percent of the patients returned to their preoperative type of sport at a median time of 23 weeks post-operatively (IQR 9.0–49), 95% of the patients returned to any type and level sport at a median time of 12 weeks post-operatively (IQR 4.0–39), 18% returned to their preoperative performance level at a median time of 25 weeks post-operatively (IQR 8.0–46) and 5% returned to improved performance postoperatively at 28 weeks postoperatively (one patient). Median NRS in rest was 1.0 (IQR 0.0–4.0), 2.0 during walking (IQR 0.0–5.3) during walking, 3.0 during running (IQR 1.0–8.0) and 2.0 during stair-climbing (IQR 0.0–4.5). The summarized FAOS score was 62 (IQR 50–90). The median SF-36 PCSS and the MCSS were 46 (IQR 41–54) and 55 (IQR 49–58), respectively. No complications and one re-do subtalar arthroscopy were reported. Conclusion Six out of ten patients with sinus tarsi syndrome returned to their pre-injury type of sport after being treated with a subtalar arthroscopy. Subtalar arthroscopy yields effective outcomes at long-term follow-up concerning patient-reported outcome measures in athletic population, with favorable return to sport level, return to sport time, clinical outcomes and safety outcome measures. Level of evidence IV. Keywords Sinus tarsi syndrome · Arthroscopic treatment · Ankle · Subtalar arthroscopy · Return to sport
* Gino M. M. J. Kerkhoffs [email protected] 1
Department of Orthopedic Surgery, Amsterdam Movement Sciences, Academic Medical Center, Amsterdam UMC, Location AMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
2
Academic Center for Evidence Based Sports Medicine (ACES), Amsterdam UMC, Amsterdam, The Netherlands
3
Amsterdam Collaboration for Health and Safety in Sports (ACHSS), International Olympic Committee (IOC) Research Center, Amsterdam UMC, Amsterdam, The Netherlands
Abbreviations ADL Activities of daily living AOFAS
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