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KMID : 1130920130170040294
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Journal of Korean Foot and Ankle Society
2013 Volume.17 No. 4 p.294 ~ p.301
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Clinical Outcomes and Complications of Tendoscopic Treatment for Flexor Hallucis Longus Tenosynovitis
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Kim Bom-Soo
Choi Geun-Hong
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Abstract
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Purpose: To report the clinical outcomes and complications of flexor hallucis longus (FHL) tendoscopy using 3 portals.
Materials and Methods: Between January 2012 and April 2013, 10 patients (10 ankles) received tendoscopic surgery forthe treatment of FHL tenosynovitis. Patients complaining of pain and tenderness along the course of FHL despite over 6months of conservative treatments were indicated for surgery. The mean age was 41.7 years (range: 18-57) and the follow upperiod was 12.7 months (range: 6-20). Tendoscopy was performed using posteromedial, posterolateral, and plantar portals.Clinical evaluations included preoperative and postoperative visual analogue scale (VAS), American orthopaedic foot andankle society (AOFAS) score, and patients’ satisfaction.
Results: Tendoscopic findings included tenosynovitis in 10 cases, degenerated vinculae in 6 cases, stenosis of the tendon atits entrance into the fibro-osseous tunnel in 5 cases, and degenerative partial tendon tear in 3 cases. Two cases had associatedsymptomatic os trigonum and 3 cases had posterior ankle impingement syndrome. Preoperative pain decreased from medianVAS 6 (range: 4-10) to 2.1 (range: 1-5) at the last follow up and AOFAS score improved from 50.1 (range: 36-63) to 82.1(range: 61-89) (p<0.05). Nine patients were satisfied or very satisfied with the outcome. Injury of the lateral plantar nerveoccurred in one case.
Conclusion: FHL tendoscopy using 3 portals is a feasible and useful minimal invasive surgical technique for themanagement of FHL tenosynovitis.
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KEYWORD
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Flexor hallucis longus, Tenosynovitis, Tendoscopy
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