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Translation, cross-cultural adaptation and validation of the DYMUS questionnaire for the assessment of dysphagia in multiple sclerosis. The original English version of the DYMUS was translated using the forward-backward technique, cross-culturally adaptated, pilot-tested in 40 patients, and then applied to 100 multiple sclerosis patients to assess the reliability and construct validity. Construct validity was assessed by Mann–Whitney test and Spearman’s correlation coefficient (rs). The internal consistency of the questionnaire was evaluated using Cronbach’s alpha coefficient and inter-item correlation. DYMUS-BR internal consistency was high (Cronbach’s alpha= 0.72); Cronbach’s alpha was 0.65 for the ‘dysphagia for solids’ subscale and 0.67 for the ‘dysphagia for liquids’ subscale and positive inter-item correlations was found between all items, except for weight loss question. Significant association (p<0.001) and correlation (rs = 0,357; p = 0.01) was found between DYMUS-BR and dysphagia self-assessment. The DYMUS-BR questionnaire maintained the characteristics of that originally described, demonstrating to be a reliable, valid, easy and consistent tool to be used by health professionals for preliminary selection of Brazilian MS patients who need more specific instrumental analyses of swallowing.

Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Filosofia e Ciências, Departamento de Fonoaudiologia, Marília, Av. Hygino Muzzi Filho 737, Vila Universitária, CEP 17005490, SP, Brasil

Universidade Estadual Paulista Júlio de Mesquita Filho, Faculdade de Filosofia e Ciências, Departamento de Fonoaudiologia, Marília, Av. Hygino Muzzi Filho 737, Vila Universitária, CEP 17005490, SP, Brasil