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Total Wrist Arthroplasty with Integra Freedom® Implants: A Pilot Study with a New Evaluation System
Mario Igor Rossello1, Irene Zotta2, Carlo Rossello1
1Hand Surgery Department, Ospedale San Paolo, Via Genova 30, 17100 Savona, Italy.
Introduction:
Recent innovations in wrist arthroplasty implants have led to remarkable improvements in terms of results with improved stability and preservation of bone stock. Despite the advances in such implants, poor outcomes and frequent complications still affect this procedure, not allowing a wider use of this treatment in wrist arthritis.The purpose of this study is to assess the preliminary mid-term results of a Wrist Arthroplasty System (Freedom®, Integra Lifesciences, Princeton, USA) in patients with rheumatoid arthritis or secondary osteoarthritis of the wrist and to propose a new classification system.
Materials And Methods:
We examined 12 patients (7 with rheumatoid arthritis and 5 with secondary osteoarthritis of the wrist) who underwent total wrist arthroplasties performed by a single surgeon using the fourth-generation prosthesis. Pre- and post-operative pain on a visual analogue score, functional parameters measured with Mayo Wrist score, patient-rated wrist evaluation score, range of motion, and radiographic analysis were collected.
Results:
At a mean follow-up of 48 (SD 16.9) months a significant improvement (p < 0.0001) of the mean visual analogue, Mayo and PRWE scores following total wrist arthroplasty was observed. Wrist movements improved significantly (p < 0.001).
Conclusion:
We achieved significant improvements in pain relief, performance, and satisfaction both in rheumatic and non-rheumatic patients, confirmed by our scoring system.
Level Of Evidence:
Level IV, case series.
