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      Equivalência cultural da versão Brasileira da Voice Symptom Scale: VoiSS Translated title: Cross-cultural adaptation of the Brazilian version of the Voice Symptom Scale: VoiSS

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          Abstract

          OBJETIVO: Apresentar a equivalência cultural da versão brasileira da Voice Symptom Scale - VoiSS. MÉTODOS: O questionário foi traduzido para a língua portuguesa por duas fonoaudiólogas brasileiras bilíngues, cientes do objetivo da pesquisa. A retrotradução foi efetuada por uma terceira fonoaudióloga brasileira, bilíngue e professora de inglês, não participante da etapa anterior. Após comparação das traduções, produziu-se uma única versão denominada Escala de Sintomas Vocais - ESV, que foi aplicado a 15 indivíduos com queixa vocal. O critério de inclusão foi presença de disfonia, independentemente do grau ou tipo. A cada questão foi acrescentada a opção "não aplicável" na chave de resposta. RESULTADOS: No processo de tradução e adaptação cultural não houve modificação e/ou eliminação de nenhuma das questões. A ESV reflete a versão original do inglês, com 30 questões, sendo 15 referentes ao domínio limitação (funcionalidade), oito ao domínio emocional (efeito psicológico) e sete ao domínio físico (sintomas orgânicos). CONCLUSÃO: Houve equivalência cultural da VoiSS para o Português Brasileiro na versão intitulada ESV. A validação da ESV está em fase de conclusão.

          Translated abstract

          PURPOSE: To present the cultural equivalence of the Brazilian version of the Voice Symptom Scale - VoiSS. METHODS: The questionnaire was translated into Portuguese by two Brazilian bilingual speech-language pathologists, who were informed about the purpose of this research. The back translation was performed by a third bilingual Brazilian speech-language pathologist, who was also an English teacher, and had not participated in the previous stage. After the comparison of translations, a final version of the questionnaire was produced and called Escala de Sintomas Vocais - ESV, which was administered to 15 individuals with vocal complaint. The inclusion criterion was the presence of dysphonia, regardless of type or degree. The option "not applicable" was added to each item of the protocol. RESULTS: During the process of translation and cultural adaptation, no item was changed and/or eliminated from the questions. The ESV kept the same structure as the original British version with 30 questions, 15 regarding the impairment domain (functionality), eight the emotional domain (psychological effect), and seven the physical domain (organic symptoms). CONCLUSION: The cultural equivalence of the Brazilian version of the VoiSS, entitled ESV, was demonstrated. The ESV validation is currently being concluded.

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          Most cited references14

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          Assessing health status and quality-of-life instruments: attributes and review criteria.

          The field of health status and quality of life (QoL) measurement - as a formal discipline with a cohesive theoretical framework, accepted methods, and diverse applications--has been evolving for the better part of 30 years. To identify health status and QoL instruments and review them against rigorous criteria as a precursor to creating an instrument library for later dissemination, the Medical Outcomes Trust in 1994 created an independently functioning Scientific Advisory Committee (SAC). In the mid-1990s, the SAC defined a set of attributes and criteria to carry out instrument assessments; 5 years later, it updated and revised these materials to take account of the expanding theories and technologies upon which such instruments were being developed. This paper offers the SAC's current conceptualization of eight key attributes of health status and QoL instruments (i.e., conceptual and measurement model; reliability; validity; responsiveness; interpretability; respondent and administrative burden; alternate forms; and cultural and language adaptations) and the criteria by which instruments would be reviewed on each of those attributes. These are suggested guidelines for the field to consider and debate; as measurement techniques become both more familiar and more sophisticated, we expect that experts will wish to update and refine these criteria accordingly.
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            VoiSS: a patient-derived Voice Symptom Scale.

            Many voice-rating tools are either physician-derived, disease-specific measures or they merely combine general quality-of-life domains with vocal symptoms. The aim of this series of studies was to devise and validate a patient-derived inventory of voice symptoms for use as a sensitive assessment tool of (i) baseline pathology and (ii) response to change in adult dysphonia clinics. Three stages in the development of the instrument are described. First, an initial exploratory, open-ended questionnaire study was used to compile a prototype list of voice complaints [Clin Otolaryngol 22 (1997) 37]. Second, the prototype list was administered to 168 subjects with dysphonia and underwent principal components analysis. Qualitatively, it was also assessed at this stage for its ability to capture voice-related impairment, disability and handicap. Third, a modified 44-item scale was administered to 180 new subjects. The symptoms were highly endorsed. Principal components analysis with oblique rotation yielded a Voice Symptom Scale (VoiSS); 43 of the items comprise a 'general voice pathology' scale. More specifically, five oblique components provided assessments of: 'communication problems,' 'throat infections,' 'psychosocial distress,' 'voice sound and variability' and 'phlegm.' The VoiSS is simple for patients to complete and easy to score. It is sensitive enough to reflect the wide range of communication, physical symptoms and emotional responses implicit in adult dysphonia.
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              Measuring quality of life in dysphonic patients: a systematic review of content development in patient-reported outcomes measures.

              To review existing patient reported outcomes measures (PROMs) used in dysphonic populations to assess the procedures used in their development and the extent to which these meet current development standards for content generation and psychometric evaluation. The study is a systematic review. A systematic review of Medline, Cumulative Index to Nursing & Allied Health, and Health and Psychosocial Instruments databases was completed using voice, quality of life, and PROMs as keywords. We identified all patient or parent-reported questionnaires measuring quality of life associated with voice disorders from the review findings. Questionnaires were appraised for adherence to international guidelines for the development and evaluation of PROMs as outlined by the Scientific Advisory Committee of the Medical Outcome Trust. Nine PROMs fulfilled the inclusion criteria. The quality of these questionnaires was variable with regard to instrument development and none met all of the current, recommended criteria. Of the nine questionnaires, the Voice Symptom Scale underwent the most rigorous development process. Furthermore, many instruments have been augmented to allow for proxy administration, failing to address quality of life-related issues specific to the target population. Instrument development is often overlooked when attempting to quantify patient reported outcomes in dysphonic patients. Careful instrument development procedures are required to ensure that PROMs are valid, reliable, and responsive. Our review suggests that the deficits in psychometric properties of the current voice-related PROMs may be, at least in part, due to deficits in the development process. Furthermore, these data suggest the potential utility of a novel PROM adhering to rigorous international standards to better ensure that clinicians appreciate the variables most relevant to patients with voice disorders and address some of the psychometric shortcomings of the currently used questionnaires.
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                Author and article information

                Journal
                jsbf
                Jornal da Sociedade Brasileira de Fonoaudiologia
                J. Soc. Bras. Fonoaudiol.
                Sociedade Brasileira de Fonoaudiologia (São Paulo, SP, Brazil )
                2179-6491
                December 2011
                : 23
                : 4
                : 398-400
                Affiliations
                [01] São Paulo SP orgnameUniversidade Federal de São Paulo orgdiv1Departamento de Fonoaudiologia Brasil
                [02] São Paulo SP orgnameCentro de Estudos da Voz Brasil
                Article
                S2179-64912011000400018 S2179-6491(11)02300418
                10.1590/S2179-64912011000400018
                22231064
                b9990a7f-3ea0-481b-bcd6-1862a4bf207b

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 30 August 2011
                : 28 July 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 7, Pages: 3
                Product

                SciELO Brazil

                Categories
                Comunicação Breve

                Questionários,Dysphonia,Disfonia,Validation studies,Quality of life,Questionnaires,Translations,Tradução (produto),Voice quality,Voice disorders,Distúrbios da voz,Qualidade de vida,Estudos de validação,Qualidade da voz

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