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Respiratory symptoms (COPD Assessment Test and modified Medical Research Council dyspnea scores) and GOLD-ABCD COPD classification: the LASSYC study / Sintomas respiratórios (Teste de Avaliação da DPOC e pontuação modificada de dispneia do Conselho de Pesquisa Médica) e classificação GOLD-ABCD COPD: o estudo LASSYC
Oca, Maria Montes de; Varela, Maria Victorina Lopez; Menezes, Ana Maria B; Wehrmeister, Fernando C; Ramirez, Larissa; Miravitlles, Marc.
  • Oca, Maria Montes de; Universidad Central de Venezuela. Caracas. VE
  • Varela, Maria Victorina Lopez; Universidad de la República. Montevideo. UY
  • Menezes, Ana Maria B; Federal University of Pelotas. Post-Graduate Program in Epidemiology. Pelotas. BR
  • Wehrmeister, Fernando C; Federal University of Pelotas. Post-Graduate Program in Epidemiology. Pelotas. BR
  • Ramirez, Larissa; AstraZeneca. CR
  • Miravitlles, Marc; CIBER de Enfermedades Respiratorias. Vall dHebron Research Institute. Hospital Universitari Vall dHebron. Barcelona. ES
J. bras. pneumol ; 47(5): e20210156, 2021. tab, graf
Article in English | LILACS | ID: biblio-1346408
ABSTRACT
ABSTRACT Objective To assess the frequency and severity of 24-hour respiratory symptoms according to COPD GOLD-ABCD classification (2017-version), the distribution of the patients with COPD into GOLD categories using mMRC (≥2) or CAT (≥10) scores, and agreement between these cut-off points. Methods In this cross-sectional study (LASSYC study), 24-hour day respiratory symptoms were assessed by the Evaluating Respiratory Symptoms in COPD (E-RS) questionnaire, Nighttime Symptoms of COPD Instrument (NiSCI), Early Morning Symptoms of COPD Instrument (EMSCI), CAT and mMRC scores. Results Among the 734 patients with COPD, 61% were male, age 69.6±8.7 years, FEV1% post-BD 49.1±17.5%, mMRC 1.8±1.0 and CAT 15.3±.8.1. By mMRC 33.7% were group-A, 29.2% group-B, 10.2% group-C and 26.9% group-D. By CAT 22.3% were group-A, 41% group-B, 4.8% group-C and 31.9% group-D. Using the mMRC the severity of E-RS, NiSCI and EMSCI scores increased from group A to D. Using the CAT, the groups B and D had the higher scores. Agreement between mMRC and CAT was 89.5% (Kappa statistics=75.7%). For mMRC score of 2, CAT score of ≥11 showed the maximum Youden's index (1.34). For mMRC score of 1, CAT score of ≥9 and ≥10 showed the maximum Youden's index (1.48). Conclusion GOLD COPD classification by CAT seems to better discriminate 24-hour symptoms. Results do not support the equivalent use of CAT≥10 and mMRC≥2 for assessing symptoms.
RESUMO
RESUMO Objetivo Avaliar a frequência e gravidade dos sintomas respiratórios de 24 horas de acordo com a classificação COPD GOLD-ABCD (versão 2017), a distribuição dos pacientes com DPOC nas categorias GOLD usando escores mMRC (≥2) ou CAT (≥10) e concordância entre esses pontos de corte. Métodos Neste estudo transversal (estudo LASSYC), os sintomas respiratórios diários de 24 horas foram avaliados pelo questionário Avaliando os Sintomas Respiratórios em DPOC (Evaluating Respiratory Symptoms - E-RS), Instrumento de Sintomas Noturnos de DPOC (Nighttime Symptoms of COPD Instrument -NiSCI), Instrumento de Sintomas Matinais de DPOC (Early Morning Symptoms of COPD Instrument - EMSCI), pontuações CAT e mMRC. Resultados Entre os 734 pacientes com DPOC, 61% eram do sexo masculino, idade 69,6 ± 8,7 anos, VEF1% pós-BD 49,1 ± 17,5%, mMRC 1,8 ± 1,0 e CAT 15,3 ± 0,8,1. Por mMRC 33,7% eram do grupo A, 29,2% do grupo B, 10,2% do grupo C e 26,9% do grupo D. Por CAT, 22,3% eram do grupo A, 41% do grupo B, 4,8% do grupo C e 31,9% do grupo D. Usando o mMRC, a gravidade dos escores E-RS, NiSCI e EMSCI aumentou do grupo A para D. Usando o CAT, os grupos B e D tiveram os escores mais altos. A concordância entre mMRC e CAT foi de 89,5% (estatística Kappa = 75,7%). Para a pontuação mMRC de 2, a pontuação CAT ≥11 mostrou o índice de Youden máximo (1,34). Para a pontuação mMRC de 1, a pontuação CAT ≥9 e ≥10 mostrou o índice de Youden máximo (1,48). Conclusão A classificação GOLD COPD por CAT parece discriminar melhor os sintomas de 24 horas. Os resultados não suportam o uso equivalente de CAT≥10 e mMRC≥2 para avaliação dos sintomas.
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Full text: Available Index: LILACS (Americas) Main subject: Pulmonary Disease, Chronic Obstructive / Biomedical Research Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Risk factors Limits: Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2021 Type: Article Affiliation country: Brazil / Costa Rica / Spain / Uruguay / Venezuela Institution/Affiliation country: AstraZeneca/CR / CIBER de Enfermedades Respiratorias/ES / Federal University of Pelotas/BR / Universidad Central de Venezuela/VE / Universidad de la República/UY

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Full text: Available Index: LILACS (Americas) Main subject: Pulmonary Disease, Chronic Obstructive / Biomedical Research Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Risk factors Limits: Humans / Male Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2021 Type: Article Affiliation country: Brazil / Costa Rica / Spain / Uruguay / Venezuela Institution/Affiliation country: AstraZeneca/CR / CIBER de Enfermedades Respiratorias/ES / Federal University of Pelotas/BR / Universidad Central de Venezuela/VE / Universidad de la República/UY