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      TRANSLATION AND VALIDATION OF THE BRAZILIAN PORTUGUESE VERSION OF THE GASTROINTESTINAL SYMPTOM RATING SCALE (GSRS) QUESTIONNAIRE Translated title: Tradução e validação da versão brasileira do questionário Gastrointestinal Symptom Rating Scale (GSRS)

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      1 , 1 , 2 , 3 , 4 , 2 , 5
      Arquivos de Gastroenterologia
      Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia - IBEPEGE
      Colégio Brasileiro de Cirurgia Digestiva - CBCD
      Sociedade Brasileira de Motilidade Digestiva - SBMD
      Federação Brasileira de Gastroenterologia - FBG
      Sociedade Brasileira de Hepatologia - SBH
      Sociedade Brasileira de Endoscopia Digestiva - SOBED
      Symptom assessment, Surveys and questionnaires, Gastrointestinal motility, Reproducibility of results, Translations, Validation studies, Avaliação de sintomas, Inquéritos e questionários, Motilidade gastrointestinal, Reprodutibilidade dos testes, Traduções, Estudos de validação

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          Abstract

          ABSTRACT Background - Bowel function is a widely evaluated parameter in interventional and longitudinal studies since it is associated with good maintenance of health. The evaluation of intestinal function has been performed by many questionnaires, however, there are few options validated in Brazilian Portuguese. Objective - The aim of this work was to translate and validate into Brazilian Portuguese the Gastrointestinal Symptom Rating Scale (GSRS) questionnaire. Methods - Translation and cultural adaptation were performed according to a previously established methodology followed by reliability calculations. Results - The final translated GSRS questionnaire showed an adequate value of overall reliability of Cronbach's alpha of 0.83, and its domains were classified from acceptable to adequate. The overall test-retest reliability by intraclass correlation coefficient (ICC) was 0.84, considered excellent. Conclusion - The GSRS was translated and validated into Brazilian Portuguese, with appropriate internal consistency and reliability and is available to be used in assessments of bowel function.

          Translated abstract

          RESUMO Contexto - O funcionamento intestinal é um dos parâmetros amplamente avaliado em estudos intervencionais e longitudinais, pois está associado à manutenção da saúde. A avaliação do funcionamento intestinal tem sido realizada por diferentes questionários, mas são poucas as alternativas validadas em português. Objetivo - O objetivo deste trabalho foi traduzir e validar para a língua portuguesa (Brasil) o questionário Gastrointestinal Symptom Rating Scale (GSRS). Métodos - A tradução e adaptação cultural foram realizadas de acordo com metodologia previamente estabelecida, seguida dos cálculos de confiabilidade. Resultados - A aplicação do questionário GSRS traduzido apresentou valor de confiabilidade geral alfa de Cronbach de 0,83, classificado como adequado, e seus domínios foram classificados de aceitável a adequado; o teste-reteste geral apresentou coeficiente de correlação intraclasse de 0,84, considerado excelente. Conclusão - O GSRS foi traduzido e validado para Português (Brasil), apresentando confiabilidade e reprodutibilidade apropriadas, e está disponível para ser utilizado em avaliações de funcionamento intestinal.

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          Coefficient alpha and the internal structure of tests

          Psychometrika, 16(3), 297-334
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            Reliability and validity of the Gastrointestinal Symptom Rating Scale in patients with gastroesophageal reflux disease.

            The objective of this study was to evaluate the reliability and validity of the gastrointestinal Symptom Rating Scale (GSRS) in US patients with gastroesophageal reflux disease (GERD). Five hundred and sixteen adults with predominant heartburn symptoms of GERD were recruited from gastroenterologist and family physician practices and treated with 6 weeks of 150 mg ranitidine twice daily to identify poorly responsive symptomatic GERD. The GSRS, the Medical Outcomes Study Short Form-36 (SF-36) Health Survey and the Psychological General Well-being (PGWB) scale were administered at baseline and after 6 weeks of treatment. Reported ratings of GERD-related symptoms from physician and patient diaries were measured. The GSRS contains five scales: reflux syndrome, abdominal pain, constipation syndrome, diarrhoea syndrome and indigestion syndrome. The internal consistency reliabilities for the GSRS scales ranged from 0.61 to 0.83 and the intraclass correlation coefficients ranged from 0.42 to 0.60. The GSRS scale scores were correlated with the SF-36 and PGWB scales and with the number and severity of heartburn symptoms. Patients with two or three clinician-rated GERD-related symptoms reported worse GSRS scale scores compared with patients with fewer symptoms (p < 0.0001). Statistically significant differences in the mean GSRS scale scores were observed between treatment responders and non-responders (p < 0.0001) and patients showing a response to treatment had larger mean changes in their GSRS scales than patients not showing a response to treatment (p < 0.0001). The standardized response means ranged from 0.42 to 1.43 for the GSRS scale scores. It was concluded that the GSRS is a brief, fairly comprehensive assessment of common gastrointestinal symptoms. The GSRS has good reliability and construct validity and the GSRS scales discriminate by GERD symptom severity and are responsive to treatment. The GSRS is a useful patient-rated symptom scale for evaluating the outcomes of treatment for GERD.
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              'Gut health': a new objective in medicine?

              'Gut health' is a term increasingly used in the medical literature and by the food industry. It covers multiple positive aspects of the gastrointestinal (GI) tract, such as the effective digestion and absorption of food, the absence of GI illness, normal and stable intestinal microbiota, effective immune status and a state of well-being. From a scientific point of view, however, it is still extremely unclear exactly what gut health is, how it can be defined and how it can be measured. The GI barrier adjacent to the GI microbiota appears to be the key to understanding the complex mechanisms that maintain gut health. Any impairment of the GI barrier can increase the risk of developing infectious, inflammatory and functional GI diseases, as well as extraintestinal diseases such as immune-mediated and metabolic disorders. Less clear, however, is whether GI discomfort in general can also be related to GI barrier functions. In any case, methods of assessing, improving and maintaining gut health-related GI functions are of major interest in preventive medicine.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ag
                Arquivos de Gastroenterologia
                Arq. Gastroenterol.
                Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia - IBEPEGE, Colégio Brasileiro de Cirurgia Digestiva - CBCD, Sociedade Brasileira de Motilidade Digestiva - SBMD, Federação Brasileira de Gastroenterologia - FBG, Sociedade Brasileira de Hepatologia - SBH, Sociedade Brasileira de Endoscopia Digestiva - SOBED
                1678-4219
                September 2016
                : 53
                : 3
                : 146-151
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                [2 ] Fapesp Brasil
                [3 ] Universidade de São Paulo Brazil
                [4 ] Universidade Federal de São Paulo Brazil
                [5 ] Universidade de São Paulo Brazil
                Article
                S0004-28032016000300146
                10.1590/S0004-28032016000300005
                27438418
                4362e039-5ad1-42cc-b396-fcda8ba6141b

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

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0004-2803&lng=en
                Categories
                GASTROENTEROLOGY & HEPATOLOGY

                Gastroenterology & Hepatology
                Symptom assessment,Surveys and questionnaires,Gastrointestinal motility,Translations,Validation studies,Avaliação de sintomas,Inquéritos e questionários,Motilidade gastrointestinal,Reprodutibilidade dos testes,Traduções,Estudos de validação,Reproducibility of results

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