{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T18:42:39Z","timestamp":1760985759296},"reference-count":18,"publisher":"FapUNIFESP (SciELO)","issue":"12","license":[{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2018,12,1]],"date-time":"2018-12-01T00:00:00Z","timestamp":1543622400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Neuro-Psiquiatr."],"abstract":"<jats:p>ABSTRACT Dystonia is a relatively common movement disorder but some of its epidemiological and clinical aspects have not been well characterized in Brazilian patients. Also, a new clinical classification for the disorder has been proposed and its impact on clinical practice is unclear. We aimed to describe the clinical and demographic characteristics of a Brazilian series of patients with primary dystonia, to estimate its local prevalence, and to explore the impact of using a new classification for dystonia. We identified 289 patients with primary dystonia over a 12-month period, of whom235 underwent a detailed evaluation. Patients with primary dystoniamade up one-sixth of all patients evaluated at the service where the study was conducted, with an estimated local prevalence of 19.8\/100,000 inhabitants. The clinical and demographic characteristics of the patients were similar to those described elsewhere, with blepharospasm as the most common focal dystonia and most patients using sensory tricks that they judged useful on a day-to-day basis. The application of the new classification was easy and simple, and the systematic approach allowed for a better clinical characterization of our patients. We recognized two dystonic syndromes that were not described in the original article that proposed the classification, and suspected that the arbitrary distinction between generalized and multifocal dystonia seems not to be useful for patients with primary dystonia. In conclusion, the prevalence and clinical characteristics of our patients were not distinct from other studies and the new classification was shown to be practical and useful to characterize patients with dystonia.<\/jats:p>","DOI":"10.1590\/0004-282x20180138","type":"journal-article","created":{"date-parts":[[2019,2,5]],"date-time":"2019-02-05T14:48:48Z","timestamp":1549378128000},"page":"821-826","source":"Crossref","is-referenced-by-count":2,"title":["Epidemiological and clinical aspects of a sample of Brazilian patients with primary dystonia and the impact of the new classification on their clinical evaluation"],"prefix":"10.1590","volume":"76","author":[{"given":"Torben Cavalcante","family":"Bezerra","sequence":"first","affiliation":[{"name":"Universidade Federal do Amazonas,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nath\u00e1lia","family":"Novaretti","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana Luiza Nunes","family":"Cunha","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M\u00e1rcio Alexandre Pena","family":"Pereira","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel Sabino de","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manuelina Capelari Marcuz","family":"Brito","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c2ngela Vieira","family":"Pimentel","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vitor","family":"Tumas","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2018,12]]},"reference":[{"issue":"7","key":"ref1","doi-asserted-by":"crossref","first-page":"863","DOI":"10.1002\/mds.25475","article-title":"Phenomenology and classification of dystonia: a consensus update","volume":"28","author":"Albanese A","year":"2013","journal-title":"Mov Disord"},{"key":"ref2","first-page":"1","article-title":"Definition of dystonia and classification of the dystonic states","volume":"14","author":"Fahn S","year":"1976","journal-title":"Adv Neurol"},{"key":"ref3","first-page":"351","article-title":"Dystonia: the spectrum of the disease","volume":"55","author":"Marsden CD","year":"1976","journal-title":"Res Publ Assoc Res NervMent Dis"},{"key":"ref4","series-title":"Movement 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dystonia in Ireland","volume":"24","author":"Williams L","year":"2017","journal-title":"Eur J Neurol"},{"issue":"2","key":"ref13","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/j.jht.2008.10.008","article-title":"The pathophysiology of focal hand dystonia","volume":"22","author":"Lin PT","year":"2009","journal-title":"J Hand Ther"},{"issue":"1","key":"ref14","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1136\/jnnp.72.1.59","article-title":"The natural history and treatment of acquired hemidystonia: report of 33 cases and review of the literature","volume":"72","author":"Chuang C","year":"2002","journal-title":"J Neurol Neurosurg Psychiatry"},{"issue":"9","key":"ref15","doi-asserted-by":"crossref","first-page":"987","DOI":"10.1136\/jnnp-2013-306971","article-title":"Tricks in dystonia: ordering the complexity","volume":"85","author":"Ramos VF","year":"2014","journal-title":"J Neurol Neurosurg 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