Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713


Publication continuous and bimonthly

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Validation of the Airways questionnaire 20 - AQ20 in patients with chronic obstructive pulmonary disease (COPD) in Brazil

Validação do questionário de vias aéreas 20 ("Airways questionnaire 20" - AQ20) em pacientes portadores de doença pulmonar obstrutiva crônica (DPOC) no Brasil

Aquiles Camelier, Fernanda Rosa, Paul Jones, José Roberto Jardim

J Bras Pneumol.2003;29(1):28-35

Abstract PDF PT

Introduction: A great emphasis has been placed on health-related quality of life of COPD patients and specific questionnaires have been developed in order to measure it. Interventions directed to improve symptoms and decrease morbi-mortality may be evaluated by such questionnaires. Objective: This study describes the language and cultural adaptation of a new (and short) disease-specific health status questionnaire developed for chronic obstructive pulmonary diseases: the Airways Questionnaire 20 (AQ20). This questionnaire has only 20 simple items, and is one of the shortest ones ever described in the literature. Methods: In order to validate this questionnaire in Brazil, an initial translation from English to Portuguese has been made. The cultural adaptation was taken into consideration and then a back translation to English was undertaken, in order to obtain a final Portuguese version. Correlations were made with FEV1, SpO2, BMI and another disease specific health status questionnaire, the Saint George Respiratory Questionnaire (SGRQ), previously validated in Brazil. To test the reproducibility of AQ20, the interclass correlation ratio was done. Results: The interclass correlation ratio for the total score was a = 0.90 (intraobserver variability) and a = 0.93 (interobserver variability). The correlation with total SGRQ score was 0.76, with p < 0.001. Conclusion: It can be concluded that the Brazilian Portuguese version of AQ20 is reproducible, with good correlation with SGRQ total score, which makes it a valid questionnaire to measure health status in obstructive patients in Brazil.


Viability of gait speed test in hospitalized elderly patients

Viabilidade do teste de velocidade de marcha em idosos hospitalizados

Bruno Prata Martinez1,2, Anne Karine Menezes Santos Batista3, Isis Resende Ramos3, Júlio Cesar Dantas3, Isabela Barboza Gomes3, Luiz Alberto Forgiarini Jr4, Fernanda Rosa Warken Camelier1, Aquiles Assunção Camelier1,5

J Bras Pneumol.2016;42(3):196-202

Abstract PDF PT PDF EN Portuguese Text

Objective: The gait speed test (GST) is a physical test that can predict falls and aid in the diagnosis of sarcopenia in the elderly. However, to our knowledge, there have been no studies evaluating its reproducibility in hospitalized elderly patients. The objective of this study was to evaluate the safety and reproducibility of the six-meter GST (6GST) in hospitalized elderly patients. Methods: This repeated measures study involved hospitalized elderly patients (≥ 60 years of age) who underwent the 6GST by the fifth day of hospitalization, were able to walk without assistance, and presented no signs of dyspnea or pain that would prevent them from performing the test. The 6GST was performed three times in sequence, with a rest period between each test, in a level corridor. Gait speed was measured in meters/second. Reproducibility was assessed by comparing the means, intraclass correlation coefficients (ICCs) and Bland-Altman plots. Results: We evaluated 110 elderly patients in a total of 330 tests. All participants completed all of the tests. The comparisons between the speeds obtained during the three tests showed high ICCs and a low mean bias (Bland-Altman plots). The correlation and accuracy were greatest when the mean maximum speed was compared with that obtained in the third test (1.26 ± 0.44 m/s vs. 1.22 ± 0.44 m/s; ICC = 0.99; p = 0.001; mean bias = 0.04; and limits of agreement = −0.27 to 0.15). Conclusions: The 6GST was proven to be safe and to have good reproducibility in this sample of hospitalized elderly patients. The third measurement seems to correspond to the maximum speed, since the first two measurements underestimated the actual performance.


Keywords: Disability evaluation; Reproducibility of results; Hospitalization; Mobility limitation; Health of the elderly.




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