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KMID : 0605720110170010038
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Journal of the Korean Society of Biological Therapies in Psychiatry
2011 Volume.17 No. 1 p.38 ~ p.46
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Restless Legs Syndrome in Depressed Psychiatric Outpatients
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Lee Do-Yun
Sakong Jung-Kyu
Kwak Kyung-Phil
Han Young-Hoon
Son Yong-Pyo
Park Chang-Jeung
Won Seung-Hee
Lee Kwang-Hun
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Abstract
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Objectives:This study was designed to investigate the clinical characteristics, relationship with antidepressants and incidence of restless legs syndrome(RLS) in depressed outpatients.
Methods:Total 160 adult patients(male 32, female 128) of psychiatric outpatient were enrolled in this study. We use the diagnostic criteria of International RLS Study Group(IRLSSG) for RLS. Also WHO quality of life scale abbreviated version(WHOQOL-BREF), Hamilton Depression Rating Scale-17(HAM-D) and Pittsburgh Sleep Quality Index(PSQI) was used to investigate the relationship between RLS and depression severity, quality of life, sleep quality.
Results:In 39(24.4%) out of the total 160 patients were diagnosed as having RLS. Among those 39 RLS patient, 19 patients(48.7%) was reported to have developed their RLS after starting depression treatment. The RLS group showed higher PSQI and HAM-D scores(p=0.02, p＜0.01) and lower WHOQOL-BREF score(p=0.06) compared to those of non-RLS. Compared to those of non-RLS group, the bupropion group showed a significantly low rate of RLS group (p=0.043) and the venlafaxine group showed a significantly high rate of RLS group(p=0.018). HAM-D score 7 or more group caused RLS 4.5 times compared those of less than HAM-D score 7 group.
Conclusion:In this study, depressed outpatients showed high incidence rate of RLS and RLS had influence on sleep quality, depression severity and quality of life. Moreover, certain antidepressants had potential to induce RLS. Therefore, these results suggest that appropriate treatment for depression is required to clinicians and development of RLS from depressed patients should be carefully monitored. Further research about the relationship between antidepressant and RLS is also necessary.
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KEYWORD
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RLS, Depression, Antidepressant, Sleep quality, Quality of life
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