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Year : 2018  |  Volume : 20  |  Issue : 1  |  Page : 27-32

The effect of cognitive functions on the ability to learn how to use a Diskus device in patients with chronic obstructive pulmonary disease

1 Department of Chest Diseases, Faculty of Medicine, Selcuk University, Selçuklu, Turkey
2 Department of Psychology, TOBB University of Economics and Technology, Söğütözü, Ankara, Turkey
3 Department of Chest Diseases, Konya Training and Research Hospital, Meram, Konya, Turkey

Correspondence Address:
Prof. Baykal Tulek
Department of Chest Diseases, Faculty of Medicine, Selcuk University, Selcuklu, Konya
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ejop.ejop_6_18

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OBJECTIVE: Dry powder inhalers are a group of inhaled medications commonly used for the treatment of chronic obstructive pulmonary disease (COPD). Although they can be more easily administered than metered dose inhalers, there is a high rate of errors in device use. The present study aims to evaluate the relationship between the ability to learn how to use a Diskus device and cognitive functions in patients with COPD. MATERIALS AND METHODS: The study included 30 inhaler-näive patients who were newly diagnosed with COPD. During their first visit, patients were administered a broad array of standardized neuropsychological tests and given a training on inhaler use. During the second visit, patients were divided into two groups according to their performance in the use of Diskus device: effective and ineffective. RESULTS: Twenty-nine patients who completed the study showed a negative correlation between the cognitive test scores and Diskus training parameters. The number of errors and duration of training increased as the cognitive scores decreased. In Visit 2, a comparison between patients with ineffective and effective use of the Diskus device showed that cognitive function scores were higher in those with effective use. CONCLUSIONS: Evaluation of cognitive functions in COPD patients is important in establishing an effective inhalation treatment.

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