Clinical efficacy of the Ankle Spacer for the treatment of multiple secondary osteochondral lesions of the talus

作     者：Jari Dahmen J Nienke Altink Gwendolyn Vuurberg Coen A Wijdicks Sjoerd AS Stufkens Gino MMJ Kerkhoffs 

作者机构：Department of Orthopedic SurgeryAmsterdam UMCLocation AMCAmsterdam 1105AZNetherlands Department of Orthopedic ResearchArthrexNaplesFL 34108United States 

出 版 物：《World Journal of Orthopedics》 (世界骨科杂志（英文版）)

年 卷 期：2022年第13卷第2期

页      面：178-192页

学科分类：1002[医学-临床医学] 100210[医学-外科学(含：普外、骨外、泌尿外、胸心外、神外、整形、烧伤、野战外)] 10[医学] 

主　　题：Hemi-arthroplasty Ankle Spacer Talar surface implant Osteochondral lesions of the talus Endstage 

摘      要：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.