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Being highly sensitive person negatively impacts on cognitive and psychosocial fatigue in multiple sclerosis
Fabrizia Falco1, Federica Lamagna2, Antonio Esposito1
1Multiple Sclerosis Clinical Care and Research Centre, Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Via Sergio Pansini 5, Naples 80131, Italy.
Background:
Fatigue is a common symptom in Multiple Sclerosis (MS), but its determinants are not clarified yet. Sensory processing sensitivity (SPS) is a personality trait characterized by enhanced sensitivity towards endogenous and exogenous stimuli, and higher attention toward minimal stimuli, resulting in overarousal and fatigue.
Objective:
to evaluate the association between SPS and fatigue in MS patients.
Methods:
192 consecutive MS patients (age of 43.3 ± 12.1 years; females 67.2 %; median EDSS of 2.5 (0 - 7)) underwent clinical (EDSS, age, gender), cognitive (BICAMS, Trial Making Test [TMT]), psychosocial (Beck Anxiety Inventory [BAI], Beck Depression Inventory [BDI], Modified Fatigue Impact Scale [MFIS]) and sensitivity evaluation (Highly Sensitive Person [HSP]Scale). Patients were classified as HSP if the score was greater than 14. A stepwise regression model was applied to explore association between SPS and MFIS total scores and sub-scores, by accounting for age, gender, education, EDSS, Cerebral FS scores, TMT-Part A and part B scores, BAI, BDI, and Pittsburgh Sleep Quality Index (PSQI).
Results:
Total HSP was 17.2 ± 6.8 and 129 patients (67 %) were classified as highly sensitive persons (HSP). HSP patients were more female patients (p = 0.02) with a longer disease duration (p = 0.03). HSP people showed higher total MFIS score (27.6 ± 20.6 vs 13.2 ± 14.1, p < 0.001), higher physical MFIS score (p < 0.001), higher cognitive MFIS score (p < 0.001), higher psychosocial MFIS score (p < 0.001) vs non-HSP patients. Higher total MFIS was associated with SPS trait (coeff. 6.9, p = 0.006). Specifically, SPS trait was associated with higher cognitive MFIS (coeff. 5.3, p < 0.001) and higher psychosocial MFIS (coeff. 0.7, p = 0.02).
Conclusion:
SPS was associated with fatigue. Since SPS could be easily and quickly assessed in clinical settings, SPS could unveil a higher propensity of a patient toward fatigue occurrence over the disease course and could provide hints for possible preventive cognitive behavior therapy.
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