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Cognitive function in COPD
Open accessAbstract
In order to characterise the overall clinical picture of chronic obstructive pulmonary disease (COPD) a better understanding of all relevant comorbidities is required. It is increasingly recognised that COPD is a multi-component disease, but little attention has been paid to its effects on cognitive function. Cognitive dysfunction is associated with increased mortality and disability; however, it remains poorly understood in COPD. This review examines mechanisms of injury and dysfunction to the brain and considers the methods used to evaluate cognition, and assembles evidence concerning the nature and level of cognitive impairment in COPD. Our main findings are: 1) there may be a pattern of cognitive dysfunction specific to COPD; 2) cognitive function is only mildly impaired in patients without hypoxaemia; 3) the incidence of cognitive dysfunction is higher in hypoxaemia; 4) hypoxaemia, hypercapnia, smoking and comorbidities (such as vascular disease) are unlikely to account for all of the cognitive dysfunction seen in COPD; 5) there is weak or no association between cognitive function and mood, fatigue or health status; 6) cognitive dysfunction may be associated with increased mortality and disability; and 7) there is limited evidence for a significant effect of treatment on cognitive function.
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Metadata
- Authors
- Dodd, J. W., Getov, S. V., & Jones, P. W.
- Affiliations
- St George's, University of London (GB)
- Venue
- European Respiratory Journal
- Publisher
- European Respiratory Society (ERS)
- Published
- 2010-03-31
- Volume
- 35
- Issue
- 4
- Pages
- 913-922
- ISSN
- 0903-1936 (ISSN-L)
- 1399-3003
- OpenAlex
- W2109931937
- Cited by
- 426
- References
- 94
- Citations by year
- 2026: 22 · 2025: 19 · 2024: 19 · 2023: 28 · 2022: 24 · 2021: 23 · 2020: 41 · 2019: 34 · 2018: 27 · 2017: 29 · 2016: 23 · 2015: 34 · 2014: 33 · 2013: 22 · 2012: 25
- FWCI
- 3.85
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- European Respiratory Journal (publishedVersion)
- PubMed (publishedVersion)
- Explore Bristol Research (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Bristol Research (University of Bristol) (submittedVersion)
- Topics
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Chronic Obstructive Pulmonary Disease (COPD) Research
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Oncology › Cancer-related cognitive impairment studies
- Keywords
- chronic obstructive pulmonary disease, cognitive impairment, hypoxemia, hypercapnia, smoking, vascular disease, mood, fatigue, mortality, disability, cognitive assessment, comorbidities
- MeSH terms
- Cognition, Cognition Disorders, Humans, Comorbidity, Incidence, Pulmonary Disease, Chronic Obstructive
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