Article Text

AB0480 A functional magnetic resonance imaging study on the psychopathology of patients with primary sjogren's syndrome and anxiety disorder
  1. B Cui,
  2. Y Liu
  1. West China Hospital, Chengdu, China


Background Sjogren syndrome (SS) is a chronic systemic autoimmune disease characterized by exocrine gland inflammation and symptoms of oral and ocular dryness. Anxiety affects as many as 50–70% of persons living with SS. While anxiety is commonly experienced, very little is known concerning the mechanisms of cognitive dysfuction in SS.

Objectives To reveal the psychopathology of patients with Sjogren's syndrome and anxiety disorder.

Methods 12 patients with pSS and anxiety disorder (SAS≥50), 11 patients with pSS, and 10 healthy controls were recruited. (1) Self-rating Anxiety Scale (SAS) were used to assess anxiety level of participations. All the subjects went through functional magnetic resonance imaging (fMRI) while listening actively to neutral words, negative words and negative words alternating with neutral ones.

Results When subjects listened to neutral words alternating with no words, prefrontal cortex and BA21 were active in patients with pSS and anxiety disorder. When subjects listened to negative words alternating with no words, patients showed increased activity in prefrontal cortex, BA21, anterior cingulate and fusiform. Furthermore, when subjects listen to negative words alternating with neutral words, patients with pSS and anxiety disorder showed more increased activity in prefrontal cortex, anterior cingulate, and caudate nucleus than that of other two groups.

Conclusions Anxiety disorder commonly exists in patients with pSS. The pathology of this psychological symptom is poorly understood, which may be one of manifestation of nervous system involvement. fMRI may provide a novel insight into the pathological process accompanying subtle psychiatric disorders commonly experienced by patients with pSS.


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Acknowledgements Thanks are due to Dr. Gong for assistance with the experiments and to YQ. Wang for valuable discussion.There is no financial support or other benefits from commercial sources for the work reported on in the manuscript, or no other financial interests that any of the authors may have, which could create a potential conflict of interest or the appearance of a conflict of interest with regard to the work.

Disclosure of Interest None declared

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