Objective: To assess disordered eating, hunger and satiety perceptions in women with fibromyalgia (FM) compared to healthy controls (HC) and their association with biomarkers of brain plasticity (brain-derived neurotrophic factor (BDNF) and S100 calcium-binding protein B (S100B)).
Methods: Cross-sectional exploratory study. The sample included FM (n = 20) and HC (n = 19), matched to age and waist perimeter. Dysfunctional eating was assessed through the Three Factor Eating Questionnaire and Eating Disorders Examination with a questionnaire. Hunger and satiety levels were rated by a Numerical Scale. Serum leptin, S100B and BDNF were analyzed.
Results: The MANCOVA analysis showed that the mean of Emotional Eating rates was 30.65% higher in FM compared to HC ( = 0.015). Eating, shape and weight concerns were 77.77%, 57.14% and 52.22% higher in FM ( = <0.001) compared to HC, respectively. Moreover, the FM group reported higher scores for feeling of hunger "[5.2 (±2.9) 4.8 (±2.0); = 0.042] and lower scores for satiety [7.0 (±1.7) 8.3 (±1.0); = 0.038]. In the FM group, serum BDNF was negatively associated with hunger (r = - 0.52; = 0.02), while S100B was positively associated with hunger scores (r = 0.463; = 0.004).
Conclusion: The present findings support the hypothesis that the association between FM and obesity can be mediated by a hedonistic pathway. Further research is needed.
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| http://dx.doi.org/10.20945/2359-3997000000406 | DOI Listing |
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