What is the relevance of structural damage in psoriatic arthritis?
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What is the relevance of structural damage in psoriatic arthritis?
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概要
In this episode of RheumaCast, we discuss the functional consequences of structural joint damage in psoriatic arthritis based on data from a large, prospectively followed cohort.
While inflammation is often considered the main driver of impaired physical function, this study provides a more nuanced view. Radiographic damage, particularly severe joint destruction, shows an independent association with functional impairment—even after adjusting for disease activity and other confounders. Importantly, not all damage is equal: mild or moderate changes appear to have limited functional impact, whereas complete joint destruction demonstrates a clear and clinically meaningful effect, with a dose–response relationship.
We also explore how these findings should influence treatment strategies, emphasizing early intervention and prevention of irreversible damage rather than relying solely on control of inflammatory activity.
This episode places structural damage into context and highlights its relevance for long-term patient outcomes in PsA.
This episode is based on publication Mehta P, et al. Arthritis Rheumatol 2026; doi:10.1002/art.70145
and developed with NotebookLM.