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KMID : 0359920100290030342
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Korean Journal of Nephrology
2010 Volume.29 No. 3 p.342 ~ p.349
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Depression, Inflammation, and Oxidative Stress in Peritoneal Dialysis Patients: Is There a Relationship?
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Shin Ho-Sik
Park Nam-Young
Rim Hark
Jung Yeon-Soon
Lee Eun-Young
Park Si-Sung
Park Ji-Yong
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Abstract
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Purpose : This study aimed to investigate the features and severity of depressive symptoms in peritoneal
dialysis patients, and the relationship of depressive symptoms with levels of inflammation andoxidative stress (OS).
Methods : The diagnosis of depression was made using DSM-IV-TR and the depressive symptoms were evaluated using the Hamilton Rating Scale for Depression (HRSD) via a semi-structured interview. Levels of thiobarbituric acid-reactive substances (TBARs) were determined as markers of lipid peroxidation. Superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) activities were measured as antioxidants.
Results : 19 (28.8%) patients were diagnosed with depression (Major Depressive Disorder was 18.2%, Dysthymic disorder was 10.6%). OS markers were not different between patients with and without depression. Compared to non-depressed patients, depressed patients showed significantly higher depressed mood, feelings of guilt, suicidal ideation, sleep disturbances, psychomotor retardation, agitation, psychic and somatic anxiety, lower levels of work and activities, gastrointestinal and general somatic symptoms, and hypochondriasis. There was a significant positive correlation between HRSD scores and peritonitis (γ=0.297, p=0.016), levels of high sensitivity C-reactive protein (hsCRP) (γ=0.406, p=
0.001) and ferritin (γ=0.276, p=0.025), while there was a significant negative correlation between scores of HRSD and levels of albumin (γ=?0.313, p=0.010).
Conclusion : Major depressive disorder and dysthymic disorder were not related to inflammation and oxidative stress in peritoneal dialysis patients; however, depressive symptom severity was correlated with markers of inflammation and malnutrition. These results suggest that inflammation could have influence on depressive symptoms in peritoneal ialysis patients.
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KEYWORD
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Peritoneal dialysis, Oxidative stress, Depression
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