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Neurological Sciences

, Volume 40, Issue 10, pp 2097–2103 | Cite as

Altered white matter microstructure in patients with post-stroke depression detected by diffusion kurtosis imaging

  • Xue-Yong Shen
  • Ze-Xin Fan
  • Li WangEmail author
  • Sha Cui
  • Jin-Liang Niu
Original Article
  • 58 Downloads

Abstract

The aim of our study is to determine the pathological changes of white matter microstructure in patients with early post-stroke depression (PSD), and to investigate the association between white matter integrity examined by diffusion kurtosis imaging (DKI) and early PSD. Thirty-eight patients with acute cerebral infarction were selected, including 17 patients with depression (PSD group), and 21 patients without depression (N-PSD group). In addition, 20 normal healthy controls (NORM group) were selected. All were taken DKI scans. The white matter of the frontal lobe, temporal lobe, parietal lobe, occipital lobe, anterior limb of internal capsule, and posterior limb of internal capsule, in addition to the genu of corpus callosum and splenium of corpus callosum was selected as a region of interest (ROI). Selected parameters include fractional anisotropy (FA) and mean kurtosis (MK). Compared with N-PSD group and NORM group, FA value of the left frontal lobe and MK value of the bilateral frontal lobe, bilateral temporal lobe, and genu of corpus callosum in PSD group were decreased (P < 0.05). Our results indicated that the early PSD patients had white matter microstructure abnormalities in the frontal lobe, temporal lobe, and genu of corpus callosum. DKI provides a comprehensive brain imaging reference for detecting early microstructural damage of white matter in PSD patients, which can be used as an imaging biomarker to detect early PSD and its progression potentially.

Keywords

Post-stroke depression Diffusion kurtosis imaging Magnetic resonance imaging Biomarker 

Notes

Funding information

This study was supported by Doctor Wenzhen Duan of Johns Hopkins University School of Medicine.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Fondazione Società Italiana di Neurologia 2019

Authors and Affiliations

  1. 1.Department of NeurologyThe Second Hospital Affiliated to Shanxi Medical UniversityTaiyuanPeople’s Republic of China
  2. 2.Department of Medical ImagingThe Second Hospital Affiliated to Shanxi Medical UniversityTaiyuanPeople’s Republic of China

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