Glittre-ADL Multiple Tasks Induce Similar Dynamic Hyperinflation With Different Metabolic and Ventilatory Demands in Patients With COPD

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Abstract

Purpose:

This cross-sectional study compared the physiological responses and dynamic hyperinflation (DH) of the Glittre-ADL test (TGlittre) and its specific tasks in patients with chronic obstructive pulmonary disease (COPD).

Methods:

Thirty patients with COPD performed the TGlittre. The individual tasks included stand up and sit down (TSS); climb up and down stairs (TSTAIRS); walk on a flat surface (TWALK); and move objects onto and off a shelf (TSHELF). While performing these tasks, the physiological responses were evaluated and inspiratory capacity measured before and immediately after the tests.

Results:

All physiological variables and inspiratory capacity were different at the end of the TGlittre and its tasks compared with baseline (P < .05). For most of the physiological variables, there were no significant differences between TSHELF and TWALK (P > .05), which were the tasks with the greatest physiological requirement, whereas the TSS represented the lowest metabolic, cardiovascular, and ventilatory demands among TGlittre's tasks. DH did not differ significantly among TGlittre's tasks.

Conclusions:

TWALK and TSHELF were the tasks that resulted in greater physiological overload, whereas TSS induced the lowest metabolic and ventilatory demands. Despite this, DH did not differ among the TGlittre's tasks in patients with COPD.

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