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  • Comparing Essential Tremor ...
    Erro, Roberto; Lazzeri, Giulia; Terranova, Carmen; Paparella, Giulia; Gigante, Angelo Fabio; De Micco, Rosa; Magistrelli, Luca; Di Biasio, Francesca; Valentino, Francesca; Moschella, Vincenzo; Pilotto, Andrea; Esposito, Marcello; Olivola, Enrica; Malaguti, Maria Chiara; Ceravolo, Roberto; Dallocchio, Carlo; Spagnolo, Francesca; Nicoletti, Alessandra; De Rosa, Anna; Di Giacopo, Raffaella; Sorrentino, Cristiano; Padovani, Alessandro; Altavista, Maria Concetta; Pacchetti, Claudio; Marchese, Roberta; Contaldi, Elena; Tessitore, Alessandro; Misceo, Salvatore; Bologna, Matteo; Rizzo, Vincenzo; Franco, Giulia; Barone, Paolo; Angelini, Luca; Aramini, Simone; Bacchin, Ruggero; Bertino, Salvatore; Benzi Markushi, Tiziana; Bianchi, Marta; Castagna, Anna; Colombatto, Federico; Del Prete, Eleonora; Biase, Lazzaro; Di Fonzo, Alessio; Di Maggio, Giovanni; Giglio, Augusta; Giordano, Caterina; Manzo, Nicoletta; Modugno, Nicola; Mostile, Giovanni; Raglione, Laura Maria; Russo, Maria; Savorgnan, Giovanna; Trinchillo, Assunta; Volpe, Giampiero; Zoccolella, Stefano

    Movement disorders clinical practice (Hoboken, N.J.), June 2024, Letnik: 11, Številka: 6
    Journal Article

    Background Tremor disorders remain as clinical diagnoses and the rate of misdiagnosis between the commonest non‐parkinsonian tremors is relatively high. Objectives To compare the clinical features of Essential Tremor without other features (pure ET), ET plus soft dystonic signs (ET + DS), and tremor combined with dystonia (TwD). Methods We compared the clinical features of patients with pure ET, ET + DS, and TwD enrolled in The ITAlian tremor Network (TITAN). Linear regression models were performed to determine factors associated with health status and quality of life. Results Three‐hundred‐eighty‐three patients were included. Sex distribution was significantly different between the groups with males being more represented in pure ET and females in TwD. The initial site of tremor was different between the groups with about 40% of TwD having head tremor and ET + DS unilateral upper limb tremor at onset. This pattern mirrored the distribution of overt dystonia and soft dystonic signs at examination. Sensory trick, task‐specificity, and position‐dependence were more common, but not exclusive, to TwD. Pure ET patients showed the lowest degree of alcohol responsiveness and ET + DS the highest. Midline tremor was more commonly encountered and more severe in TwD than in the other groups. Regression analyses demonstrated that tremor severity, sex, age, and to a lesser degree the variable “group”, independently predicted health status and quality of life, suggesting the existence of other determinants beyond tremor. Conclusions Pure ET and TwD manifest with a phenotypic overlap, which calls for the identification of diagnostic biomarkers. ET + DS shared features with both syndromes, suggesting intra‐group heterogeneity.