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Clinical efficacy of the ankle spacer for the treatment of multiple secondary osteochondral lesions of the talus

World Journal of Orthopedics 2022年第2期13卷 178-192页

作者： Jari Dahmen J Nienke Altink Gwendolyn Vuurberg Coen A Wijdicks Sjoerd AS Stufkens Gino MMJ Kerkhoffs Department of Orthopedic Surgery Amsterdam UMCLocation AMCAmsterdam 1105AZNetherlands Department of Orthopedic Research ArthrexNaplesFL 34108United States

BACKGROUND The ankle spacer was developed as a joint-sparing alternative to invasive endstage ***,there are no clinical studies on the ankle *** To describe the operative technique and the clinical efficacy of the ankle spacer for the treatment of multiple,cystic osteochondral lesions of the talus in patients with failed prior operative *** This is a prospective study during which patients were assessed preoperatively,at 2-and 6 wk,and at 3,6,12 and 24 mo *** with multiple,cystic or large(≥15 mm)osteochondral lesions of the talus after failed prior surgery were *** primary outcome measure was the numeric rating scale(NRS)for pain during walking at 2 years *** outcome measures included the NRS in rest and during stair climbing,the American Orthopaedic Foot and ankle Society Hindfoot Score,the Foot and ankle Outcome Score,the Short-Form 36 physical and mental component scale,and the Range of Motion(ROM).Radiographic evaluations were conducted to evaluate prosthetic loosening and *** rates and complications were also *** Two patients underwent an ankle spacer implantation on the *** NRS during walking improved from 6 and 7 preoperatively to 2 and 2 points postoperatively at 2 years,in patient 1 and 2,*** other patient-reported outcome measures also improved *** were no re-operations nor *** imaging showed no loosening of the implant and no change of implant *** The ankle spacer showed clinically relevant pain reduction during walking,improvement in clinical outcomes as assessed with PROMs,and no complications or *** treatment option may evolve as a joint-sparing alternative to invasive end-stage surgeries.

关键词： Hemi-arthroplasty ankle spacer Talar surface implant Osteochondral lesions of the talus Endstage

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