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Mild Impairments in Cognitive Function in the Elderly with Restless Legs Syndrome
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 Title & Authors
Mild Impairments in Cognitive Function in the Elderly with Restless Legs Syndrome
Kim, Eun Soo; Yoon, In-Young; Kweon, Kukju; Park, Hye Youn; Lee, Chung Suk; Han, Eun Kyoung; Kim, Ki Woong;
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Objectives: Cognitive impairment in restless legs syndrome (RLS) patients can be affected by sleep deprivation, anxiety and depression, which are common in RLS. The objective of this study is to investigate relationship between cognitive impairment and RLS in the non-medicated Korean elderly with controlling for psychiatric conditions. Method: The study sample for this study comprised 25 non-medicated Korean elderly RLS patients and 50 age-, sex-, and education- matched controls. All subjects were evaluated with comprehensive cognitive function assessment tools- including the Korean version of Consortium to Establish a Registry for Alzheimer`s Disease Assessment Packet (CERAD-K), severe cognitive impairment rating scale (SCIRS), frontal assessment battery (FAB), and clock drawing test (CLOX). Sleep quality and depression were also assessed with Pittsburgh sleep quality index (PSQI) and geriatric depression scale (GDS). Results: PSQI and GDS score showed no difference between RLS and control group. There was no significant difference between two groups in nearly all the cognitive function except in constructional recognition test, in which subjects with RLS showed lower performance than control group (t
Restless legs syndrome;Cognitive function;Elderly;
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