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Os Trigonum Excision in Dancers via an Open Posteromedial Approach
Jessica H Heyer1, Donald J Rose2
11 Orthopaedic Surgery Department, George Washington University Hospital, Washington, DC, USA.
Foot & Ankle International
|August 24, 2016
Summary
Open posteromedial excision effectively treats painful os trigonum in dancers, significantly reducing pain and allowing a return to dance with high satisfaction rates. This surgical approach also addresses associated flexor hallucis longus (FHL) issues.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Dance Medicine
Background:
- Os trigonum is a common cause of posterior ankle pain in dancers.
- This condition is frequently linked to flexor hallucis longus (FHL) pathology.
- Surgical options include open excision, subtalar arthroscopy, and posterior endoscopy.
Purpose of the Study:
- To present a series of dancers who underwent symptomatic os trigonum excision.
- To evaluate the outcomes of an open posteromedial approach for os trigonum removal.
Main Methods:
- Retrospective case series of 40 ankles in 38 dancers (2000-2013).
- Patients underwent open posteromedial os trigonum excision with FHL tenolysis.
- Data collected included pre- and postoperative pain, return to dance time, and satisfaction.
Main Results:
- Average preoperative pain (7.7/10) decreased to 0.6/10 postoperatively.
- 94.6% of dancers returned to their previous dance level.
- Average return to dance was 7.9 weeks; 95% considered the procedure a success with no major complications.
Conclusions:
- Open posteromedial excision provides satisfactory pain relief and return to dance for dancers with os trigonum.
- This approach effectively addresses associated FHL pathology.
- Outcomes are favorable compared to alternative surgical methods.