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만성 틱장애에서 공존증상에 따른 틱증상의 심각도와 혈장 Homovanillic Acid와 5-Hydroxyindoleacetic Acid 농도의 차이

Other Titles
 Tic Severities, Plasma Homovanillic Acid and 5-hydroxyindoleacetic Acid Levels according to the Presence of Comorbidities in Patients with Chronic Tic Disorders 
Authors
 육기환  ;  민성길  ;  장순아 
Citation
 Journal of the Korean Neuropsychiatric Association (신경정신의학), Vol.40(1) : 87-97, 2001 
Journal Title
 Journal of the Korean Neuropsychiatric Association (신경정신의학) 
ISSN
 1015-4817 
Issue Date
2001
Abstract
Objectives: Contemporary empirical studies have suggested high rates of comorbid attention-deficit hyperactivity disorder(ADHD) or obsessive compulsive disorder(OCD) in children with tic disorders. Not infrequently, ADHD or OCD is as source of greater impairment than are the tic symptoms. The studies in the pathophysiology of tic disorder have implicated abnormalities of dopamine, serotonin and norepinephrine. The studies in pathophysiology of ADHD or OCD also have implicated abnormalities of dopamine, serotonin and norepinephrine. This study was purposed to examine the differences in tic severities and in the levels of plasma homovanillic acid(HVA) and 5-hydroxyin-doleacetic acid(5-HIAA) according to the presence of comorbid ADHD or OCD in patients with chronic tic disorders. Methods: In fifty chronic tic patients, OCD or ADHD was also diagnosed. And then tic symptoms, obsessive-compulsive symptoms, and attention-deficit hyperactive symptoms were assessed using Yale global tic severity scale(YGTSS), Leyton obsessional inventory-child version(LOI-CV), and Conners parent rating scale. The plasma HVA and 5-HIAA levels were measured using high performance liquid chromatography with electrochemical detection method. Results: Fifty-eight percent of the patients with chronic tic disorders had comorbid ADHD or OCD. But severities of tic did not differ regardless of the presence of comorbid ADHD or OCD. There was a significant positive correlation between tic severities and plasma HVA levels but none between tic severities and plasma 5-HIAA levels. There was a significant inverse correlation between resistance and interference scores and plasma 5-HIAA levels. Plasma HVA levels showed significant positive correlations with plasma 5-HIAA levels. Conclusion: These results showed that tic severities didn't vary according to the presence of comorbidities, and that tic severities were correlated with plasma HVA levels, not with plasma 5-HIAA levels. These results suggested that the pathophysiology of chronic tic disorder was strongly correlated with abnormalities of dopaminergic system.
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Min, Sung Kil(민성길)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/143037
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