Benefits of pulmonary rehabilitation in COPD patients with mild cognitive impairment – A pilot study

Andrianopoulos, Vasileios, Gloeckl, Rainer, Schneeberger, Tessa, Jarosch, Inga, Vogiatzis, Ioannis, Hume, Emily, Koczulla, Rembert A. and Kenn, Klaus (2021) Benefits of pulmonary rehabilitation in COPD patients with mild cognitive impairment – A pilot study. Respiratory Medicine, 185. p. 106478. ISSN 0954-6111

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Official URL: https://doi.org/10.1016/j.rmed.2021.106478

Abstract

Background:
Cognitive impairment might interfere with the efficacy of Pulmonary Rehabilitation (PR) in Chronic Obstructive Pulmonary Disease (COPD). We aimed to identify differential responses to PR between cognitively impaired (CI) and cognitively normal (CN) COPD patients by assessing health status and exercise capacity.

Methods:
Sixty patients (FEV1: 47 ± 15%) were classified as CI or CN according to the Montreal Cognitive Assessment (MoCA ≤25points) and completed a 3-week inpatient PR program. Cognitive function (neuropsychological battery), health-status (36-Item Short Form Survey [SF-36]), and exercise capacity (6-min walk test [6MWT], cycle-endurance test [CET]) were assessed before and after PR. Responsiveness to PR was estimated by mean change (delta-value [Δ]) and the d-Effect Size (ES).

Results:
Twenty-five COPD patients (42%) presented evidence of mild CI prior to PR. Both, CI and CN patients significantly improved global cognitive function, health status (the majority of SF-36 components), and exercise capacity (6MWT and cycle endurance) in response to PR. Compared to CN, CI patients did not improve SF-36 subdomains of “role emotional” and “bodily pain”, and demonstrated a lower magnitude of improvement in 6MWT ([Δ]: 25 m; ES: 0.21) compared to CN ([Δ]: 46 m; ES: 0.54).

Conclusions:
PR has favorable effects on global cognitive function, health status, and exercise capacity in both CI and CN COPD patients. There was no concrete evidence to indicate interference of cognitive impairment to PR effectiveness.

Item Type: Article
Uncontrolled Keywords: Cognitive function, Health status, Exercise capacity, Chronic pain, Chronic obstructive pulmonary disease
Subjects: A300 Clinical Medicine
C600 Sports Science
C800 Psychology
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: John Coen
Date Deposited: 25 May 2021 08:09
Last Modified: 31 Jul 2021 16:30
URI: http://nrl.northumbria.ac.uk/id/eprint/46268

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