Abstract

LEIVA, Andrea et al. Argentine cross-cultural adaptation of the amyotrophic lateral sclerosis: functional rating scale-revised. Medicina (B. Aires) [online]. 2022, vol.82, n.4, pp.525-533. ISSN 0025-7680.

Introduction: Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised is a basic tool for the evaluation of people with this disease. In our country, versions are used without the necessary methodological process to adapt them culturally and to be able to certify the plausibility of the data collected. It was our goal to generate an appropriate version adapted to Argentine Spanish. Methods: Cross-cultural adaptation of the scale was ca rried out, producing its Argentine version. Said production was carried out according to internationally accepted methodological procedures: sequential process of translation / synthesis / back-translation and consolidation of the version obtained by a multidisciplinary committee that solved of disagreements under Delphi methodology. The version obtained was tested on ALS people to determine of the existing syntactic - pragmatic level of difficulty, after which the final version was constituted. Difficulty level analysis was performed according to indicators: mode, median, qualitative variation index, variation ratio, accumulated frequency of positive evaluations, identification/ modification of observed items (determining criterion: concordance criterion ≥ 80%). Results: After 3 rounds of consultation, the version agreed upon by the committee was obtained, obtaining agreement levels of 83.33%-100%. Its testing involved 21 functional alphabets, natives/residents, 67% men, mean age 51 years old, mean evolution 1.4 years. The general indicators supported the understanding of the version and the absence of conflicting items. Discussion: The version obtained demonstrated its conceptual content validity regarding the English version, presenting not semantic nor pragmatic conflicts affecting their use in an Argentine population of ALS patients.

Keywords : Amyotrophic lateral sclerosis; ALSFRS-R scale; Validation study; Argentine version.

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