Movement disorders clinical practice · 2025
Parkinsonism and Dystonia Are Prevalent and Concomitant Movement Disorders in a Cohort of Patients with Rett Syndrome.
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Boeri Silvia, Prato Giulia, Calevo Maria Grazia, Casabona Silvia, Nobili Lino, De Grandis Elisa
Аннотация
BACKGROUND: Rett syndrome (RTT) is a rare neurodevelopmental disorder linked with MECP2 variants, frequently presenting with movement disorders (MDs).
OBJECTIVES: This study examined the frequency, types, and associations of MDs with RTT characteristics and severity.
METHODS: Twenty female patients (median age 11 years, range 3-40) with MECP2 variants were recruited and assessed using disease severity and MD scales, alongside videotaped neurological examinations.
RESULTS: Prevalent MD was hypokinetic in 55% of the patients and hyperkinetic in 45%. Parkinsonism and dystonia were the most common, coexisting in 75% of patients. Higher Movement Disorders-Childhood Rating Scale (MD-CRS) scores correlated with greater severity on the Rett Assessment Rating Scale (RARS) (P = 0.04). Dystonia was significantly associated with respiratory (P < 0.05) and gastrointestinal problems (P = 0.02).
CONCLUSIONS: The study identified parkinsonism and dystonia as the prevalent MDs in RTT, emphasizing the association between dystonia and gastrointestinal/respiratory problems and reflecting the complex nature of MDs in RTT.
OBJECTIVES: This study examined the frequency, types, and associations of MDs with RTT characteristics and severity.
METHODS: Twenty female patients (median age 11 years, range 3-40) with MECP2 variants were recruited and assessed using disease severity and MD scales, alongside videotaped neurological examinations.
RESULTS: Prevalent MD was hypokinetic in 55% of the patients and hyperkinetic in 45%. Parkinsonism and dystonia were the most common, coexisting in 75% of patients. Higher Movement Disorders-Childhood Rating Scale (MD-CRS) scores correlated with greater severity on the Rett Assessment Rating Scale (RARS) (P = 0.04). Dystonia was significantly associated with respiratory (P < 0.05) and gastrointestinal problems (P = 0.02).
CONCLUSIONS: The study identified parkinsonism and dystonia as the prevalent MDs in RTT, emphasizing the association between dystonia and gastrointestinal/respiratory problems and reflecting the complex nature of MDs in RTT.