Perceived Stress linked With Symptom Burden in People With Fibromyalgia: Study

Researchers have found in a new study that Perceived stress in fibromyalgia (FMS) patients correlates with symptom burden, independent of cortisol levels, indicating a need for targeted clinical approaches. Further Endocrinological stress indicators were not associated with perceived stress, which was related to symptom severity.

Fibromyalgia syndrome (FMS) is a chronic disorder characterized by widespread musculoskeletal pain, fatigue and tenderness and closely associated with high levels of stress. Fibromyalgia syndrome is therefore often considered a stress-related disease. A comparative study was conducted with 99 individuals diagnosed with Fibromyalgia syndrome and a control group of 50 pain-free individuals. Stress indicators were classified into three categories: perceived stress assessed using the Perceived Stress Scale, and daily average salivary cortisol and hair cortisol concentrations as indicators of acute and chronic stress levels related to the hypothalamic-pituitary-adrenal axis. Analysis of variance and covariance were used to identify group differences and the influence of covariates age, sex, and body mass index. Correlational analyses further elucidated the relationship between stress indicators and clinical symptoms. Participants with Fibromyalgia syndrome reported significantly higher perceived stress levels than controls (p < .001, ηp2 = 0.3), which were positively correlated with symptom burden (r = .41, p < .001). In contrast, there were no significant differences in the endocrinological stress indicators salivary and hair cortisol between the groups (p > .05), nor were these indicators associated with clinical symptoms. The study highlights the central role of perceived stress in Fibromyalgia syndrome, whereas endocrinological indicators did not differentiate Fibromyalgia syndrome from controls. This finding calls for a nuanced approach to clinical assessment and therapeutic interventions tailored to patients with Fibromyalgia syndrome, emphasizing the management of perceived stressors.

Reference:

Beiner, E., Hermes, M., Reichert, J. et al. Perceived and endocrine acute and chronic stress indicators in fibromyalgia syndrome. Sci Rep 14, 30471 (2024). https://doi.org/10.1038/s41598-024-76635-z

Keywords:

Fibromyalgia Syndrome, Perceived stress, Endocrine stress indicators, Beiner, E., Hermes, M

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