ArticleArthroplasty today2026
Post-Paralytic Knee Arthropathy Following Spinal Ependymoma Resection Treated With Bilateral Hinged Total Knee Arthroplasty.
Article in Arthroplasty today, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Post-paralytic knee arthropathy (PPKA) is a rare and underrecognized cause of progressive joint degeneration, driven by chronic muscle imbalance that leads to abnormal joint mechanics and loading patterns. We report the first known case of bilateral PPKA following spinal ependymoma resection treated with staged hinged total knee arthroplasty (H-TKA). The patient developed severe, progressive deformities over 18 years with preserved sensation, distinguishing this condition from Charcot arthropathy, which is characterized by rapid joint destruction and profound sensory loss. Staged H-TKA restored alignment, improved stability, relieved pain, and enabled functional recovery. This case highlights the unique modern pathophysiology of PPKA and supports H-TKA as a viable treatment option.
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