Knee Surgery, Sports Traumatology, Arthroscopy

, Volume 26, Issue 10, pp 3135–3139 | Cite as

Arthroscopic treatment combined with the ankle stabilization procedure is effective for sinus tarsi syndrome in patients with chronic ankle instability

  • Sheng-Kun Li
  • Yu-Jie Song
  • Hong Li
  • Baofu Wei
  • Ying-Hui HuaEmail author
  • Hong-Yun LiEmail author



This study aimed to investigate the results of arthroscopic treatment combined with ankle stabilization procedure for sinus tarsi syndrome (STS) in patients with chronic ankle instability (CAI).


A total of 57 patients (31 males and 26 females, average age 29.9 ± 8.4 years ranging from 15 to 52 years) with STS and CAI who accepted operation from 2013 to 2015 were included in this retrospective study. Surgical procedures included thorough tarsal sinus debridement and repair or reconstruction of lateral ankle ligaments according to the quality of ligaments. American Orthopedic Foot and Ankle Society (AOFAS) score, Karlsson score, and Tegner score were evaluated preoperatively and at final follow-up.


All the patients accepted thorough debridement of tarsal sinus. Of these, 53 patients (93.0%) had an arch structure between the posterior subtalar joint and the middle subtalar joint. Further, 54 patients accepted lateral ankle ligament repair, and 3 patients accepted ligament reconstruction. A total of 40 patients were followed up with an average time of 30.7 months. The modified AOFAS score increased from 62.5 (27–90) to 93 (67–100), the Karlsson score increased from 57 (30–82) to 90 (55–100), and the Tegner score increased from 1 (1–3) to 5 (1–8).


Arthroscopic treatment combined with the ankle stabilization procedure could get satisfactory results for STS in patients with CAI. The arch structure composed by medial calcaneal component of the medial root of the inferior extensor retinaculum (MCC) might contribute to the pathological mechanism of STS.

Level of evidence



Ankle stabilization Arthroscopic treatment Chronic ankle instability Sinus tarsi syndrome 


Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.


The study was supported by National Natural Science Foundation of China (NSFC81572209).

Ethical approval

Ethical approval was obtained from the Institutional Review Board (IRB) from Huashan Hospital, Fudan University: No.KY2016-002 and agreement.


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Copyright information

© European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA) 2017

Authors and Affiliations

  1. 1.Department of Sports Medicine, Huashan HospitalFudan UniversityShanghaiChina
  2. 2.Department of OrthopedicsProvincial Hospital Affiliated to Shandong UniversityJinanChina

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