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Background/Aim: The prevalence of cognitive impairment (CI) is high in hemodialysis patients. In this study, the relationship between CI and serum carnitine, plasma omega-3, omega-6 and omega-3/omega-6 fatty acid ratio was evaluated in hemodialysis patients. Materials and methods: Sixty two patients [male: 40 (64.5%), mean age 51 ±13 years] were included in this cross-sectional study. Serum total and free-carnitine levels were determined by ELISA. Plasma omega-3 [eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA)] and omega-6 [arachidonic acid (AA), dihomo gamma linoleic acid (DGLA)] levels were measured using LC-ESI-MS/MS. According to the Montreal Cognitive Assessment (MoCA) scores, ≤24 points were considered as CI. MoCA score ≤24 and >24 were determined as Group 1 and Group 2, respectively. Results: Group 1 had significantly higher AA + DGLA/EPA + DHA ratios and lower free-carnitine, DHA and EPA + DHA levels compared to Group 2 (P = 0.008, P = 0.040, P = 0.032, P = 0.032, respectively). Group 1 had a statistically lower education level (P 24 se determinaron como grupo 1 y grupo 2, respectivamente. Resultados: El grupo 1 tenía proporciones de AA + DGLA/EPA + DHA significativamente más altas y niveles más bajos de carnitina libre, DHA y EPA + DHA en comparación con el grupo 2 (p = 0,008, p = 0,040, p = 0,032 y p = 0,032, respectivamente). El grupo 1 tenía un nivel educativo estadísticamente más bajo (p |
