Microstructural change of the brain in chronic obstructive pulmonary disease: A voxel-based investigation by MRI

Chang Woo Ryu, Geon Ho Jahng, Cheon Woong Choi, Hak Young Rhee, Min Ji Kim, Sun Mi Kim, Eui Jong Kim, Woo Suk Choi

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Background: Cognitive deficit is a common problem in patients with chronic obstructive pulmonary disease (COPD). The aim of this study was to prospectively evaluate if MRI can demonstrate microstructural volume loss and the diffusion anisotropic change in subjects with COPD, compared with cognitively normal (CN) subjects. Methods: Six subjects with severe COPD, 13 with moderate COPD, and 12 CN subjects underwent isotropic volumetric T1-weighted imaging and diffusion tensor imaging (DTI). Voxel-based statistical analyses among groups were performed on brain volumes, fractional anisotropy (FA) and trace. Cognitive function tests were performed in all subjects, and the Cognitive function tests (CFT) scores were compared among the three groups. Results: No significant regional difference in volume was found in both the severe and moderate COPD groups relative to the CN group. Comparing between severe COPD and CN, FA was reduced in both the cerebral cortices, and in frontoparietal periventricular white matter. The trace value of the severe COPD group was significantly higher in the cerebral cortices, and in frontoparietal periventricular white matter, than that of the CN group. The severe COPD group showed significantly lower scores in the language-related, visuospatial, and frontal executive functions compared to those of the CN and moderate COPD group. Conclusion: This study demonstrated that COPD could affect the axonal integrity in multiple brain regions, and change in DTI might be related with the severity of the COPD.

Original languageEnglish
Pages (from-to)357-366
Number of pages10
JournalCOPD: Journal of Chronic Obstructive Pulmonary Disease
Volume10
Issue number3
DOIs
Publication statusPublished - Jun 2013

Keywords

  • Chronic Obstructive Pulmonary Disease
  • Cognition
  • Diffusion tensor imaging
  • Neuropsychological tests

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