Document Detail


Fronto-occipital fasciculus, corpus callosum and superior longitudinal fasciculus tract alterations of first-episode, medication-naïve and late-onset panic disorder patients.
MedLine Citation:
PMID:  23084185     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Because of limited knowledge about white matter (WM) tract in panic disorder, we designed this study to investigate alterations of WM tracts in first-episode medication-naïve panic disorder patients. METHODS: Thirty patients and 21 normal controls were enrolled into our study. They all received acquisitions of diffusion tensor imaging (DTI) in 30 directions. DTI images of patients and controls were preprocessed and analyzed to estimate differences of WM microintegrity between patients and controls. We obtained fractional anisotropy (FA) values from the DTI images. FA outputs of patients and controls were compared by non-parametric permutation-based method with global brain volume, age, gender and duration of illness as covariates. Correlations between severity of panic symptoms and FA values were also estimated. RESULTS: First-episode, medication-naïve and late-onset panic disorder patients had altered integrity in WM tracts of right inferior fronto-occipital fasculi, left body of corpus callosum and left superior longitudinal fasciculus when compared to controls (corrected p<0.05). Negative correlations between PD symptoms and FA values were observed in corpus callosum of patient group (corrected p<0.05). CONCLUSIONS: WM tract alterations might represent structural pathophysiology in WM of first-episode, medication-naïve and late-onset panic disorder patients.
Authors:
Chien-Han Lai; Yu-Te Wu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-17
Journal Detail:
Title:  Journal of affective disorders     Volume:  -     ISSN:  1573-2517     ISO Abbreviation:  J Affect Disord     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7906073     Medline TA:  J Affect Disord     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Department of Psychiatry, Cheng Hsin General Hospital, Taipei City, Taiwan, ROC. Electronic address: t122336257@yahoo.com.tw.
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