Depression in chronic ketamine users: Sex differences and neural bases

Chiang Shan R. Li, Sheng Zhang, Chia Chun Hung, Chun Ming Chen, Jeng Ren Duann, Ching Po Lin, Szu-Hsien Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Chronic ketamine use leads to cognitive and affective deficits including depression. Here, we examined sex differences and neural bases of depression in chronic ketamine users. Compared to non-drug using healthy controls (HC), ketamine-using females but not males showed increased depression score as assessed by the Center of Epidemiological Studies Depression Scale (CES-D). We evaluated resting state functional connectivity (rsFC) of the subgenual anterior cingulate cortex (sgACC), a prefrontal structure consistently implicated in the pathogenesis of depression. Compared to HC, ketamine users (KU) did not demonstrate significant changes in sgACC connectivities at a corrected threshold. However, in KU, a linear regression against CES-D score showed less sgACC connectivity to the orbitofrontal cortex (OFC) with increasing depression severity. Examined separately, male and female KU showed higher sgACC connectivity to bilateral superior temporal gyrus and dorsomedial prefrontal cortex (dmPFC), respectively, in correlation with depression. The linear correlation of sgACC-OFC and sgACC-dmPFC connectivity with depression was significantly different in slope between KU and HC. These findings highlighted changes in rsFC of the sgACC as associated with depression and sex differences in these changes in chronic ketamine users.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalPsychiatry Research - Neuroimaging
Volume269
DOIs
Publication statusPublished - 2017 Nov 30

Fingerprint

Ketamine
Gyrus Cinguli
Sex Characteristics
Prefrontal Cortex
Epidemiologic Studies
Temporal Lobe
Linear Models

Keywords

  • Depression
  • Ketamine
  • SUD
  • Sex difference
  • fMRI
  • rsFC
  • vmPFC

ASJC Scopus subject areas

  • Neuroscience (miscellaneous)
  • Radiology Nuclear Medicine and imaging
  • Psychiatry and Mental health

Cite this

Depression in chronic ketamine users : Sex differences and neural bases. / Li, Chiang Shan R.; Zhang, Sheng; Hung, Chia Chun; Chen, Chun Ming; Duann, Jeng Ren; Lin, Ching Po; Lee, Szu-Hsien.

In: Psychiatry Research - Neuroimaging, Vol. 269, 30.11.2017, p. 1-8.

Research output: Contribution to journalArticle

Li, Chiang Shan R. ; Zhang, Sheng ; Hung, Chia Chun ; Chen, Chun Ming ; Duann, Jeng Ren ; Lin, Ching Po ; Lee, Szu-Hsien. / Depression in chronic ketamine users : Sex differences and neural bases. In: Psychiatry Research - Neuroimaging. 2017 ; Vol. 269. pp. 1-8.
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