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Lung problems in long COVID and how they relate to thinking difficulties
Updated
Abstract
Essence
In a small cohort, worse lung gas exchange was linked to sleep symptoms, executive function, and cerebral perfusion signals.
Evidence
This cross-sectional study assessed 12 Long COVID participants 32 ± 5 months after infection using questionnaires, NIH Toolbox cognition testing, pulmonary tests, structural and functional brain MRI, and xenon MRI, with age-adjusted Spearman partial correlations.
Caveat
The sample was very small, mostly female, and correlational, while objective cognitive performance was broadly within normal limits.
Simplified
Key numbers
33.9
Perceived Cognitive Function Decrease
Mean for cognitive function from questionnaires.
62.7
Fatigue Increase
Mean for fatigue from questionnaires.
55.5
Total Cognitive Composite Score
Mean for total cognitive composite from .
Long Covid