ArticleMovement disorders clinical practice2026
High Prevalence and Clinical Impact of Fibromyalgia in Functional Motor Disorder.
Article in Movement disorders clinical practice, 2026. 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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Abstract
backgroundFibromyalgia is characterized by widespread pain, fatigue, sleep and cognitive symptoms. It overlaps clinically with functional motor disorder (FMD), yet its prevalence and impact in FMD remain uncertain.
objectiveTo determine the prevalence of fibromyalgia in FMD using the current criteria and evaluate its effects on motor symptoms and health-related quality of life (HRQoL).
methodsA total of 138 consecutive FMD patients completed the Fibromyalgia Survey Questionnaire, subjective motor ratings and HRQoL measures. Motor impairment was assessed using the Simplified FMD Rating Scale, and physical/psychiatric comorbidities and medication use were recorded.
resultsFibromyalgia was present in 44.9% of patients (95% CI: 36.5-53.6%). Those with fibromyalgia had more severe motor symptoms, lower HRQoL and greater medication use. Higher fibromyalgia severity, S-FMDRS, and psychiatric comorbidity were independent predictors of lower HRQoL.
conclusionsFibromyalgia is common in FMD and associated with worse clinical outcomes, supporting systematic screening and integrated management.
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