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      Translation, cross-cultural adaptation and validation of the Cincinnati prehospital stroke scale in Brazil Translated title: Tradução, adaptação transcultural e validação da escala de Cincinnati no Brasil

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          ABSTRACT

          Background:

          Use of internationally standardized instruments to assist healthcare professionals in accurately recognizing stroke early is recommended. The process of translation and cross-cultural adaptation is important for ensuring that scales are interpreted in the same way in different languages, thus ensuring applicability in several countries.

          Objective:

          To translate into Brazilian Portuguese, cross-culturally adapt and validate the Cincinnati Prehospital Stroke Scale, using a representative sample of the Brazilian population.

          Method:

          The present study included patients with suspected stroke who were treated at a Brazilian emergency medical service and referred to a stroke center. A systematic process of translation and cross-cultural adaptation of the original scale and application of the final instrument was performed. Statistical analysis was used to assess the sensitivity, specificity and accuracy of the scale. Cohen’s kappa coefficient was used to assess inter-rater reliability.

          Results:

          After translation and cross-cultural adaptation, the scale was applied to 64 patients. It showed 93.0% accuracy and 92.4% sensitivity in relation to the final “gold standard” diagnosis. Cohen’s kappa coefficient was calculated using data from 26 patients (40.6%) and showed excellent inter-rater reliability between items on the scale (0.8385 to 1.0000).

          Conclusion:

          The scale demonstrated excellent accuracy, sensitivity and inter-rater reliability. It was a useful tool for assisting healthcare professionals during initial assessments on patients with suspected stroke and significantly contributed to early recognition of stroke in a simple and quick manner.

          RESUMO

          Introdução:

          O uso de instrumentos padronizados internacionalmente para auxiliar os profissionais de saúde a reconhecer precocemente o AVC é recomendado. O processo de tradução e adaptação transcultural tem sido importante para garantir que a escala seja interpretada da mesma maneira em diferentes idiomas, assegurando sua aplicabilidade em vários países.

          Objetivo:

          Traduzir para o idioma português do Brasil, adaptar transculturalmente e validar a Cincinnati Prehospital Stroke Scale na população brasileira.

          Método:

          O estudo incluiu pacientes com suspeita de acidente vascular cerebral (AVC) atendidos por um Serviço de Atendimento Móvel Urgência (SAMU) 192 e encaminhados para uma Unidade de Cuidado Integral ao AVC. Foram realizados um processo sistemático de tradução e adaptação transcultural da escala original e a aplicação do instrumento final, que possibilitou a realização dos testes de sensibilidade, especificidade e acurácia, de acordo com o estudo original, além do índice de Cohen de Kappa, para avaliar a confiabilidade interobservador.

          Resultados:

          Após a tradução e a adaptação transcultural, a escala foi aplicada em 64 pacientes, apresentando acurácia de 93,0% e sensibilidade de 92,4% em relação ao diagnóstico final, considerado padrão-ouro. Em 26 pacientes (40,6%) foi possível calcular o índice de Cohen de Kappa, evidenciando excelente confiabilidade interobservador entre os itens da escala (0,8385 a 1,0000).

          Conclusão:

          A escala apresenta ótima acurácia, sensibilidade e concordância interobservador. Trata-se de um instrumento útil para auxiliar os profissionais da saúde durante a avaliação inicial do paciente com suspeita de AVC, uma vez que contribui significativamente para o reconhecimento precoce da doença de uma maneira simples e rápida.

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          Most cited references29

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          The Measurement of Observer Agreement for Categorical Data

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            The measurement of observer agreement for categorical data.

            This paper presents a general statistical methodology for the analysis of multivariate categorical data arising from observer reliability studies. The procedure essentially involves the construction of functions of the observed proportions which are directed at the extent to which the observers agree among themselves and the construction of test statistics for hypotheses involving these functions. Tests for interobserver bias are presented in terms of first-order marginal homogeneity and measures of interobserver agreement are developed as generalized kappa-type statistics. These procedures are illustrated with a clinical diagnosis example from the epidemiological literature.
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              Heart Disease and Stroke Statistics—2018 Update: A Report From the American Heart Association

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                Author and article information

                Journal
                Arq Neuropsiquiatr
                Arq Neuropsiquiatr
                anp
                Arquivos de Neuro-Psiquiatria
                Academia Brasileira de Neurologia - ABNEURO
                0004-282X
                1678-4227
                23 April 2021
                April 2021
                : 79
                : 4
                : 272-277
                Affiliations
                [1 ] originalUniversidade Estadual Paulista, Faculdade de Medicina de Botucatu, Campus Botucatu SP, Brazil. normalizedUniversidade Estadual Paulista orgnameUniversidade Estadual Paulista orgdiv1Faculdade de Medicina de Botucatu Campus Botucatu, SP, Brazil
                [2 ] originalUniversidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Ribeirão Preto SP, Brazil. normalizedUniversidade de São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina de Ribeirão Preto Ribeirão Preto, SP, Brazil
                [3 ] originalHospital Carlos Fernando Malzoni, Departamento de Neurologia, Matão SP, Brazil. orgnameHospital Carlos Fernando Malzoni orgdiv1Departamento de Neurologia Matão, SP, Brazil
                [4 ] originalUniversidade Federal do Triângulo Mineiro, Uberaba MG, Brazil. normalizedUniversidade Federal do Triângulo Mineiro orgnameUniversidade Federal do Triângulo Mineiro Uberaba, MG, Brazil
                Author notes
                Correspondence: Priscila Masquetto Vieira de Almeida; E-mail: priscila.mvalmeida@ 123456gmail.com

                Conflict of interest: There is no conflict of interest to declare.

                Authors’ contributions: PMVA: substantial contributions to the design or development of the study and writing of the article or its critical revision. RB: substantial contributions to the approval of the final version. OMPN: substantial contributions to the collection, analysis and interpretation of data. CM: substantial contributions to the critical revision. JEC: substantial contributions to the collection, analysis and interpretation of data. GPM: substantial contributions to the critical revision. GJL: substantial contributions to the design or development of the study. ALM: substantial contributions to the design or development of the study.

                Author information
                https://orcid.org/0000-0002-8516-9491
                https://orcid.org/0000-0003-3872-308X
                https://orcid.org/0000-0003-0317-843X
                https://orcid.org/0000-0002-3969-6629
                https://orcid.org/0000-0001-5478-4996
                https://orcid.org/0000-0003-1057-5089
                https://orcid.org/0000-0002-6914-7225
                https://orcid.org/0000-0002-4401-5656
                Article
                05101
                10.1590/0004-282X-anp-2020-0246
                9231455
                33978092
                ce475569-061b-44d4-8564-aa4e25815b84

                This is an open-access article distributed under the terms of the Creative Commons Attribution License

                History
                : 22 May 2020
                : 24 July 2020
                : 16 August 2020
                Page count
                Figures: 2, Tables: 1, Equations: 0, References: 23
                Categories
                Original Article

                stroke,early diagnosis,emergency medical service,sensitivity and specificity,acidente vascular cerebral,diagnóstico precoce,serviços médicos de emergência,sensibilidade e especificidade

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