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Sports and recreation activity of varus and valgus ankle osteoarthritis before and after realignment surgery

Pagenstert, G. and Leumann, A. and Hintermann, B. and Valderrabano, V.. (2008) Sports and recreation activity of varus and valgus ankle osteoarthritis before and after realignment surgery. Foot and ankle international, Vol. 29, H. 10. pp. 985-993.

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Official URL: http://edoc.unibas.ch/dok/A6003538

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Abstract

BACKGROUND: Realignment-surgery to unload ankle osteoarthritis (OA) has been proposed as treatment alternative for varus and valgus ankle OA. Sports activity after this procedure has not been analyzed. Realignment-surgery increases sports activity. Sports activity correlates with ankle pain, function, and alignment, but does not influence revision rate. MATERIALS AND METHODS: Prospective case series of 35 consecutive patients with post-traumatic varus or valgus ankle OA limited to half tibiotalar joint surface were treated by OA unloading realignment-surgery. Distal tibia osteotomy was used in all cases; additional osteotomies, tendon, ligament procedures in 92% of cases. Main Outcome Measurements: Pain (visual-analogue-scale; VAS), ankle range-of-motion (ROM); function (American-Orthopaedic-Foot-and-Ankle-Society (AOFAS) ankle-score; Swiss-symptom-related-Ankle-Activity-Scale (SAAS); Sports-Frequency-Score (SFS), OA and tibiotalar-alignment-grade (Takakura-Score), and revision surgery. Mean followup was 5 years. RESULTS: Mean values from preoperative to followup: VAS decreased (p = 0.0001) 4 points; ankle ROM increased (p = 0.001) 5 degrees; AOFAS-Score increased (p = 0.0001) 46 points; SAAS increased (p = 0.0001) 42 points; SFS increased (p = 0.02) 0.5 grades; Takakura-score decreased (p = 0.0001) 1.0 grades. Revision surgery was performed in 10 cases (29%). Three of these were revised to ankle arthroplasty. At follow-up, SAAS correlated with VAS, AOFAS score, Takakura score, and not with ROM or SFS. SFS did not correlate with other variables. Patients needing revision surgery had a higher (p = 0.003) SFS than patients who needed no revision. CONCLUSION: Realignment-surgery increased sports activity of ankle OA patients. Improved ankle pain and function correlated with ability to perform activity without symptoms; however, sports frequency had no correlation to patients' symptoms but showed higher revision rate.
Faculties and Departments:03 Faculty of Medicine > Bereich Operative Fächer (Klinik) > Ehemalige Einheiten Operative Fächer (Klinik) > Orthopädie (Valderrabano)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Operative Fächer (Klinik) > Ehemalige Einheiten Operative Fächer (Klinik) > Orthopädie (Valderrabano)
UniBasel Contributors:Hintermann, Beat and Valderrabano, Victor
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Williams and Wilkins
ISSN:1071-1007
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Apr 2014 08:00
Deposited On:25 Apr 2014 08:00

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