Cross-cultural adaptation and validation of the International Cooperative Ataxia Rating Scale (ICARS) to Brazilian Portuguese

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dc.contributor Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.author MAGGI, Fernanda Aparecida
BRAGA-NETO, Pedro
CHIEN, Hsin Fen FMUSP-HC
GAMA, Maria Thereza Drumond
REZENDE FILHO, Flavio Moura
SARAIVA-PEREIRA, Maria Luiza
JARDIM, Laura Bannach
VOOS, Mariana Callil FMUSP-HC
PEDROSO, Jose Luiz
BARSOTTINI, Orlando Graziani Povoas
dc.date.issued 2018
dc.identifier.citation ARQUIVOS DE NEURO-PSIQUIATRIA, v.76, n.10, p.674-684, 2018
dc.identifier.issn 0004-282X
dc.identifier.uri http://observatorio.fm.usp.br/handle/OPI/30261
dc.description.abstract Introduction: The clinical assessment of patients with ataxias requires reliable scales. We aimed to translate, adapt and validate the International Cooperative Ataxia Rating Scale (ICARS) into Brazilian Portuguese. Methods: The steps of this study were forward translation, translation synthesis, backward translation, expert committee meeting, preliminary pilot testing and final assessment. Thirty patients were enrolled in the preliminary pilot testing and 61 patients were evaluated for construct validity, internal consistency, intra- and inter-rater reliability and external consistency. Results: This study showed good validity of the construct and high internal consistency for the full scale, except for the oculomotor domain (Cronbach's alpha = 0.316, intraclass correlation coefficients intra- = 82.4% and inter- = 79.2%).A high correlation with the Scale for the Assessment and Rating of Ataxia was observed. We found good intra-rater agreement and relative inter-rater disagreement, except in the posture and gait domain. Conclusion: The present ICARS version is adapted for the Brazilian culture and can be used to assess our ataxic patients.
dc.description.sponsorship · Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
dc.language.iso eng
dc.publisher ASSOC ARQUIVOS NEURO- PSIQUIATRIA
dc.relation.ispartof Arquivos de Neuro-Psiquiatria
dc.rights openAccess
dc.subject Spinocerebellar ataxias; translating; validation studies
dc.subject.other cerebellar ataxias; reliability; validity
dc.title Cross-cultural adaptation and validation of the International Cooperative Ataxia Rating Scale (ICARS) to Brazilian Portuguese
dc.type article
dc.rights.holder Copyright ASSOC ARQUIVOS NEURO- PSIQUIATRIA
dc.description.group LIM/34
dc.identifier.doi 10.1590/0004-282X20180098
dc.identifier.pmid 30427507
dc.type.category original article
dc.type.version publishedVersion
hcfmusp.author CHIEN, Hsin Fen:HC:IOT
hcfmusp.author VOOS, Mariana Callil:FM:MFT
hcfmusp.author.external · MAGGI, Fernanda Aparecida:Univ Fed Sao Paulo, Div Neurol Geral, Dept Neurol, Sao Paulo, SP, Brazil
· BRAGA-NETO, Pedro:Univ Fed Ceara, Div Neurol, Dept Med Clin, Fortaleza, Ceara, Brazil; Univ Estadual Ceara, Ctr Ciencias Saude, Fortaleza, Ceara, Brazil
· GAMA, Maria Thereza Drumond:Univ Fed Sao Paulo, Div Neurol Geral, Dept Neurol, Sao Paulo, SP, Brazil
· REZENDE FILHO, Flavio Moura:Univ Fed Sao Paulo, Div Neurol Geral, Dept Neurol, Sao Paulo, SP, Brazil
· SARAIVA-PEREIRA, Maria Luiza:Hosp Clin Porto Alegre, Lab Identificacao Genet, Porto Alegre, RS, Brazil; Hosp Clin Porto Alegre, Serv Genet Med, Porto Alegre, RS, Brazil; Univ Fed Rio Grande do Sul, Dept Bioquim, Porto Alegre, RS, Brazil
· JARDIM, Laura Bannach:Hosp Clin Porto Alegre, Lab Identificacao Genet, Porto Alegre, RS, Brazil; Hosp Clin Porto Alegre, Serv Genet Med, Porto Alegre, RS, Brazil; Univ Fed Rio Grande do Sul, Dept Med Interna, Porto Alegre, RS, Brazil
· PEDROSO, Jose Luiz:Univ Fed Sao Paulo, Div Neurol Geral, Dept Neurol, Sao Paulo, SP, Brazil
· BARSOTTINI, Orlando Graziani Povoas:Univ Fed Sao Paulo, Div Neurol Geral, Dept Neurol, Sao Paulo, SP, Brazil
hcfmusp.origem.id WOS:000449623200007
hcfmusp.origem.id 2-s2.0-85056560885
hcfmusp.origem.id SCIELO:S0004-282X2018001000674
hcfmusp.publisher.city SAO PAULO SP
hcfmusp.publisher.country BRAZIL
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dc.description.index MEDLINE
dc.identifier.eissn 1678-4227
hcfmusp.citation.scopus 0
hcfmusp.citation.wos 0
hcfmusp.affiliation.country Brasil


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