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Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

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Structural Brain Changes in Patients With COPD.

Roland W Esser¹, M Cornelia Stoeckel¹, Anne Kirsten²

¹Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

|July 24, 2015

Summary

This summary is machine-generated.

Patients with chronic obstructive pulmonary disease (COPD) show reduced gray matter in brain regions linked to fear and breathing sensations. These changes correlate with disease duration and specific fears, potentially worsening COPD progression.

Keywords:

COPD MRI dyspnea psychology

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Area of Science:

Neuroscience
Pulmonology
Medical Imaging

Background:

Chronic obstructive pulmonary disease (COPD) is characterized by chronic dyspnea, often leading to fear and avoidance of physical activity.
The relationship between COPD, structural brain changes, and disease-specific fears remains poorly understood.

Purpose of the Study:

To investigate structural brain differences in COPD patients compared to healthy controls.
To examine the association between these brain changes, disease duration, and fears related to dyspnea and physical activity.

Main Methods:

Voxel-based morphometry analysis of MRI scans was employed.
30 patients with moderate to severe COPD and 30 matched healthy controls were included.
The COPD Anxiety Questionnaire assessed disease-specific fears.

Main Results:

COPD patients exhibited reduced gray matter in the posterior cingulate cortex, anterior cingulate cortex, hippocampus, and amygdala.
No generalized cortical degeneration was observed.
Reduced gray matter in the anterior cingulate cortex correlated negatively with disease duration, fear of dyspnea, and fear of physical activity, with fear of physical activity mediating this relationship.

Conclusions:

COPD patients show gray matter reductions in brain areas crucial for processing dyspnea, fear, and pain.
These structural brain alterations are partly linked to disease duration and heightened disease-specific fears.
The findings suggest a potential contribution of these brain changes to a less favorable disease course in COPD.