Background: While many authors have recommended surgery for patients with persistent symptoms of external snapping hip, it is unclear which one best relieves symptoms. Concerns with iliotibial band (ITB)-modifying techniques include altering the shape of the lateral thigh and overload of the contralateral abduction mechanism. We describe a new endoscopic technique that decreases the tension of the ITB complex by releasing the femoral insertion of the gluteus maximus tendon (GMT).
Description Of Technique: Via an endoscopic approach, we tenotomize the GMT near its insertion at the linea aspera through two trochanteric portals, developing a space beneath the ITB.
Methods: We reviewed eight patients (nine hips) with external snapping hip nonresponsive to nonoperative treatment treated by endoscopic GMT release. There were seven women (one bilateral) and one man, with a mean ± SD age of 35 ± 13.1 years (range, 18-55 years). Mean symptom duration was 36 ± 20.3 months (range, 16-84 months). Minimum followup was 22 months (mean, 32 ± 9.3 months; range, 22-45 months).
Results: Snapping and pain resolved in seven patients after the initial procedure. We performed one revision procedure with complete relief of symptoms. All eight patients returned to their previous level of activity. Average modified Harris hip score was 61 points (range, 45-70 points) preoperatively and 78 points (range, 62-93 points) at latest followup. We observed no neurovascular complications.
Conclusions: Our small series suggests endoscopic release of the GMT resolves pain and snapping symptoms in most patients.
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http://dx.doi.org/10.1007/s11999-012-2636-5 | DOI Listing |
Med Ultrason
December 2024
Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey.
Eur J Orthop Surg Traumatol
August 2024
Department of Orthopaedic Surgery. Via Gianfranco, University of Turin, Centro Traumatologico Ortopedico (CTO), Zuretti 29, 10126, Turin, Italy.
J Orthop Case Rep
March 2024
Department of Orthopedics. Texas Health Research Foundation, Dallas/Ft Worth Texas, USA.
Orthop Surg
May 2024
Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Adv Sci (Weinh)
June 2024
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
Self-oscillation phenomena observed in nature serve as extraordinary inspiration for designing synthetic autonomous moving systems. Converting self-oscillation into designable self-sustained locomotion can lead to a new generation of soft robots that require minimal/no external control. However, such locomotion is typically constrained to a single mode dictated by the constant surrounding environment.
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