Restless legs syndrome is associated with arterial stiffness and clinical outcome in stroke patients
- Authors
- Han, Su-Hyun; Park, Kwang-Yeol; Kim, Jeong-Min; Youn, Young Chul; Shin, Hae-Won
- Issue Date
- Aug-2019
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Restless legs syndrome; Arterial stiffness; Acute ischemic stroke
- Citation
- SLEEP MEDICINE, v.60, pp 219 - 223
- Pages
- 5
- Journal Title
- SLEEP MEDICINE
- Volume
- 60
- Start Page
- 219
- End Page
- 223
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/32839
- DOI
- 10.1016/j.sleep.2019.03.027
- ISSN
- 1389-9457
1878-5506
- Abstract
- Objective: Restless legs syndrome (RLS) has been associated with vascular diseases, including cerebrovascular and cardiovascular diseases. Among the various mechanisms in RLS, peripheral vascular endothelial dysfunction in patients with RLS has recently been proposed as a vascular pathophysiology of RLS. This study investigated arterial stiffness related to RLS in acute ischemic stroke patients and its influence on stroke outcome. Methods: RLS in patients with acute ischemic stroke was assessed based on the four essential criteria of the International Restless Legs Syndrome Study Group described in 2003. The patients' clinical and laboratory characteristics, arterial stiffness, small vessel disease occurrence, and burden on brain MRI were recorded. Stroke severity was determined using the National Institute of Health Stroke Scale (NIHSS), and clinical outcomes were determined using the modified Rankin Scale. Results: Of 296 patients with acute ischemic stroke, 16 (5.4%) were diagnosed with restless legs syndrome. Logistic regression analysis showed that a 1 m/s increase in brachial arterial pulse wave velocity was associated with the diagnosis of RLS (odds ratio, 1.092; 95% confidence interval, 1.019-1.170, p = 0.012). Diagnosis of RLS in patients with acute ischemic stroke was associated with poor clinical outcome three months after stroke (modified Rankin Scale 3-6) (odds ratio, 4.263; 95% confidence interval, 1.229-14.792, p = 0.022) along with initial NIHSS score. Conclusion: RLS in patients with acute ischemic stroke is associated with increased arterial stiffness and poor clinical outcomes. (C) 2019 Elsevier B.V. All rights reserved.
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