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Outcomes after arthroscopic treatment of external snapping hip
Arthrosc Orthop Sports Med 2022;9:67-72
Published online November 1, 2022;  https://doi.org/10.14517/aosm22009
© 2022 Korean Arthroscopy Society and Korean Orthopedic Society for Sports Medicine.

Jung-Wee Park1, Yong-Chan Ha2

1Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, 2Department of Orthopaedic Surgery, Seoul Bumin Hospital, Seoul, Korea
Correspondence to: Yong-Chan Ha, https://orcid.org/0000-0002-6249-0581
Department of Orthopaedic Surgery, Seoul Bumin Hospital, 389 Gonghang-daero, Gangseo-gu, Seoul 07590, Korea. Tel: +82-2-2620-5101, Fax: +82-2-2620-0100, E-mail: hayongch@naver.com
Received April 8, 2022; Revised September 13, 2022; Accepted September 24, 2022.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: Arthroscopic iliotibial band (ITB) release has been used as one of the surgical options for patients with external snapping hip who have failed in conservative treatments. This study aimed to evaluate the clinical outcomes of arthroscopic ITB release for painful external snapping hips.
Methods: Between April 2011 and October 2019, 13 patients (10 males and 3 females: mean age, 23 y; range, 19–36 y) with painful external snapping hip were treated with arthroscopic ITB release following the failure of conservative treatment for at least 3 months. The patients were followed up for a minimum of 27 months postoperatively. Clinical improvements were assessed using the pain visual analog scale (VAS), University of California, Los Angeles (UCLA) activity, and Harris hip score (HHS).
Results: Trochanteric pain improved in all patients. Painless snapping recurred in one patient. None of the patients had painful snapping or required revision surgery after the arthroscopic ITB release. The mean pain VAS score decreased from 7.4 (range, 6–9) preoperatively to 3.2 (range, 1–6) postoperatively (P < 0.001). The mean UCLA activity increased from 5.7 (range, 4–10) preoperatively to 8.1 (range, 4–10) postoperatively (P = 0.005). The mean HHS improved from 61.1 (range, 48–96) preoperatively to 78.9 (range, 65–100) points postoperatively (P = 0.014).
Conclusion: Arthroscopic ITB release is considered a safe and effective technique for patients with refractory external snapping hip.
Keywords : External snapping hip syndrome; Arthroscopy; Iliotibial band release; Treatment outcome
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May 2023, 10 (1)
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