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Cardiorespiratory Responses to Glittre ADL Test in Bronchiectasis: A Cross-Sectional Study.

Background: Bronchiectasis is a chronic respiratory condition characterised by chronic sputum production, fatigue, and dyspnoea. These symptoms will lead to reduced exercise capacity and a reduced ability to carry out activities of daily living. Glittre ADL test is a valid and reliable test which evaluates the activities of daily living.

Aim: To investigate whether the Glittre ADL test can differentiate the functional capacity and cardiorespiratory responses of patients with bronchiectasis from those healthy individuals using the six-minute test as a functional performance standard.

Methods: This study included 30 subjects: 15 bronchiectasis and 15 age- and gender-matched healthy subjects. The patients and healthy subjects were made to perform the Glittre ADL and six-minute test on two consecutive days. Parameters such as time taken, distance walked, HR, RR, SpO2 , and dyspnoea were recorded before and after the tests.

Results: The performance of bronchiectasis was worse than the healthy group on the Glittre ADL test (4.78 ± 1.33 min, 3.94 ± 0.82 min, p =0.04). Distance walked in the six-minute walk test by the bronchiectasis was 42 meters lesser than the healthy (400.33 ± 77.99, 442 ± 89.21, p =0.18). The Glittre ADL test was correlated with 6MWT when the total sample was analysed ( r =-0.41, p =0.05). There was moderate positive correlation between heart rate variation, dyspnoea, respiratory rate, and peripheral saturation (SpO2 ) between the tests (Glittre heart rate versus six-minute walk test heart rate ( r =0.55, p =0.001); Glittre (Borg) versus six-minute walk test (Borg) ( r =0.72, p =0.00); Glittre respiratory rate versus six-minute walk test RR ( r =0.62, p =0.00); Glittre SpO2 versus six-minute walk test SpO2 ( r =0.40, p =0.02)). The bronchiectasis group had a statistically significant higher ( p =0.08, p =0.46) increase in dyspnoea and RR than the controls in both the Glittre ADL test and six-minute walk test ( p =0.009, p =0.03), with the similar HR variation in both the groups ( p > 0.05). There was statistical difference in peripheral oxygen saturation in bronchiectasis in the six-minute walk test ( p =0.03).

Conclusion: The Glittre ADL test induced similar cardiorespiratory responses when compared to the six-minute walk test. So, the Glittre ADL test can be used as an assessment tool besides the six-minute walk test for the more complete evaluation of functional capacity and activities of daily living.

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