Adaptação cultural e avaliação da reprodutibilidade do Duke Activity Status Index para pacientes com DPOC no Brasil

Abstract

Objective: To cross-culturally adapt the Duke Activity Status Index (DASI) for use in Brazil and evaluate the reproducibility of the new (Brazilian Portuguese-language) version. Methods: We selected stable patients with clinical and spirometric diagnosis of COPD. Initially, the DASI was translated into Brazilian Portuguese, and the cross-cultural adaptation was performed by an expert committee. Subsequently, 12 patients completed the questionnaire, so that their questions and difficulties could be identified and adjustments could be made. An independent translator back-translated the final version into English, which was then submitted to and approved by the original author. The final Brazilian Portuguese-language version of the DASI was applied to 50 patients at three distinct times. For the assessment of interobserver reproducibility, it was applied twice within a 30-min interval by two different interviewers. For the assessment of intraobserver reproducibility, it was applied again 15 days later by one of the interviewers. Results: The mean age of the patients was 62.3 ± 10.0 years, the mean FEV 1 was 45.2 ± 14.7% of the predicted value, and the mean body mass index was 26.8 ± 5.8 kg/m 2 . The intraclass correlation coefficients for intraobserver and interobserver reproducibility were 0.95 and 0.90, respectively. The correlations between the DASI and the Saint George's Respiratory Questionnaire (SGRQ) domains were all negative and statistically significant. The DASI correlated best with the SGRQ activity domain (r = −0.70), the total SGRQ score (r = −0.66), and the six-minute walk distance (r = 0.55). Conclusions: The Brazilian Portuguese-language version of the DASI is reproducible, fast, and simple, correlating well with the SGRQ.Keywords: Activities of daily living; Pulmonary disease, chronic obstructive; Reproducibility of results. ResumoObjetivo: Adaptar culturalmente e avaliar a reprodutibilidade do Duke Activity Status Index (DASI) para o português do Brasil. Métodos: Foram selecionados pacientes estáveis com diagnóstico clínico e espirométrico de DPOC. Inicialmente, o DASI foi traduzido para o português, e a adaptação cultural foi realizada por uma comissão de especialistas. Em seguida, o questionário foi aplicado em 12 pacientes para saber suas dúvidas e dificuldades, sendo realizadas as devidas adaptações. Um tradutor independente fez a tradução retrógrada, que foi submetida e aprovada pelo autor original. A versão final do DASI foi aplicada em 50 pacientes em dois momentos, com intervalo de 30 minutos (reprodutibilidade interobservador) e, num terceiro momento, após 15 dias (reprodutibilidade intraobservador). Resultados: A média de idade dos pacientes foi de 62,3 ± 10,0 anos, a média do VEF 1 foi de 45,2 ± 14,7% do valor previsto, e a do índice de massa corpórea foi de 26,8 ± 5,8 kg/m 2 . Os coeficientes de correlação intraclasse intraobservador e interobservador foram de 0,95 e 0,90, respectivamente. As correlações do DASI com todos os domínios do Saint George's Respiratory Questionnaire ...

Relationships between self-reported and performance-based measures of functional capacity in individuals with chronic stroke

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Duke Activity Status Index for Cardiovascular Diseases: Validation of the Portuguese Translation

“…Tavares et al 27 , in a parallel conducted study performed the cultural adaptation and evaluation of the reproducibility of the DASI to Brazil in a sample of individuals with COPD. The authors found an ICC of 0.95 intraobserver and interobserver agreement of 0.90 and a better correlation with the activity domain of the Saint George's Respiratory Questionnaire (SGRQ) (p < 0.001, r = -0.70).…”

Functional capacity and mental state of patients undergoing cardiac surgery

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