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  • Title: Long-term radiological changes and functional outcomes after proximal row carpectomy: Retrospective study with 3 years' minimum follow-up.
    Author: Bijon C, Saab M, Amouyel T, Sturbois-Nachef N, Guerre E, Chantelot C.
    Journal: Orthop Traumatol Surg Res; 2020 Dec; 106(8):1589-1595. PubMed ID: 33289656.
    Abstract:
    INTRODUCTION: The aim of this study was to analyze the radiological changes and determine the clinical and functional outcomes of proximal row carpectomy (PRC) over the long term. HYPOTHESIS: Radiological changes after PRC occur in every patient while the clinical and functional outcomes remain stable over time. METHODS: This was a retrospective single-center study of patients who underwent PRC between January 2004 and December 2014. A clinical assessment (range of motion, grip strength), functional assessment (Mayo Wrist score and QuickDASH) and radiographic assessment (radiocapitate osteoarthritis, radiocapitate congruency) was done in every patient at the longest follow-up. RESULTS: Thirty-one patients were reviewed with a mean follow-up of 97.9 months. The indications for PRC were SLAC (n=10), SNAC (n=5), Kienböck disease (n=9) and other conditions (n=7). The radiocapitate index, which is the radius of curvature of the tip of the capitate divided by the mean radius of curvature of the lunate fossa, went from 0.68 immediately postoperative to 0.74 at the final assessment (p=0.035). The mean flexion/extension arc was 93°. The mean grip strength was 25 kg. The mean QuickDASH was 29 and the mean Mayo Wrist score was 69. Fifteen patients had radiocapitate osteoarthritis. Seven patients (22%) required revision surgery for wrist fusion after a mean of 18.6 months. CONCLUSION: Radiological adaptation in the radiocapitate joint after PRC was found in this study. PRC is a reliable solution and yields stable outcomes over time for treating radiocarpal osteoarthritis, except in young adults and manual laborers who had a notable early revision rate. LEVEL OF EVIDENCE: IV - retrospective study.
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