• Gérson F Souza, Antonio Sarmento, Graciane L Moreira, Mariana R Gazzotti, José R Jardim, and Oliver A Nascimento.
• Department of Physiotherapy, Universidade Federal Do Rio Grande Do Norte (UFRN), Natal, Brazil.
• COPD. 2020 Apr 1; 17 (2): 143-149.

AbstractThe Glittre ADL-test is based on important and common activities of daily living (ADLs), and it is an useful test to objectively distinguish patients with and without self-reported functional limitations. This study aims to analyze if difficulty to perform ADLs, as self-reported by patients with COPD, would reflect a worse Glittre ADL-test performance. In the first visit, patients were evaluated for clinical and nutritional status, spirometry, maximal cardiopulmonary exercise test on a treadmill. One week later, the patients performed two Glittre ADL-tests. Maximal voluntary ventilation (MVV) and the VEGlittre/MVV, VO2Glittre/VO2peak, and HRGlittre/HRpeak ratios were calculated to analyze the ventilatory, metabolic, and cardiac reserves. The London Chest Activity of Daily Living (LCADL) scale was only answered after the two Glittre ADL-test were performed. Patients were splited into two subgroups based on the anchor question of the LCADL: those with and those without self-reported ADL limitation. Sixty-two COPD patients were included (65.3 ± 8.6 years, FEV1 62 ± 22%pred). Those with ADL limitation (39 patients) completed the Glittre ADL-test with a significantly longer time (p = 0.002), as well as higher VEGlittre/MVV (p = 0.005) and lower oxygen pulse (p = 0.021) than those without ADL limitation. The time spent to perform the Glittre ADL-test was significantly associated with total LCADL score (ρ = 0.327, p < 0.05). A cutoff of 253 s was able to distinguish those patients without and with ADL limitation. COPD patients who self-reported ADL limitation according to the LCADL scale took a longer time to perform the Glittre ADL-test with higher VEGlittre/MVV and lower oxygen pulse than those without ADL limitation.

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