ArticleBMC research notes2025
Neuropathic pain in knee osteoarthritis: functional burden beyond cartilage thickness-a cross-sectional study.
Article in BMC research notes, 2025. 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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6 authors.
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Abstract
objectiveKnee osteoarthritis (OA) is a common degenerative condition leading to pain and disability. While structural changes such as cartilage loss are central to OA pathology, neuropathic pain (NP) may also contribute to symptom severity and outcomes. This study cross-sectional study aimed to evaluate the association between femoral cartilage thickness and NP in patients with knee OA, and to assess its impact on pain, function, and quality of life.
resultsSixty patients with knee OA were evaluated and classified into NP and non-NP groups using the painDETECT questionnaire (30 per group). Compared with non-NP patients, those with NP reported significantly higher pain scores (VAS: 4.70 vs. 3.37, p < 0.001), worse functional impairment (WOMAC: 71.0 vs. 55.9, p = 0.002), and lower quality of life across several SF-36 domains, particularly Role Emotional (p = 0.004) and Bodily Pain (p < 0.001). Femoral cartilage thickness at the medial condyle, intercondylar area, and lateral condyle did not differ significantly between groups. Trends toward higher obesity, more physically demanding occupations, and greater Kellgren-Lawrence severity were observed among NP patients. These findings suggest that NP adversely influences pain and function in knee OA independent of cartilage thickness, underscoring the importance of early identification and targeted management.
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