Source:Sleep Medicine
Author(s): Mark I. Boulos, Anthony Wan, Sandra E. Black, Andrew S. Lim, Richard H. Swartz, Brian J. Murray
BackgroundRestless Legs Syndrome (RLS) is a movement disorder associated with poor quality of life and depressive symptoms in the general population. Emerging evidence suggests that RLS is closely linked with cerebrovascular disease. We assessed the impact of RLS on quality of life after stroke and transient ischemic attack (TIA).MethodsIn this single-centre prospective study, we recruited patients within 14 days of high-risk TIA or minor stroke. Patients were diagnosed with RLS using a questionnaire based on the 2003 International RLS Study Group criteria and diagnoses were confirmed by a sleep neurologist. Follow-up assessments were conducted within 2-6 months of recruitment. The outcome of quality of life was measured using the Stroke-Specific Quality of Life (SS-QoL).ResultsOf the 94 patients recruited into the study, 23 (24.4%) were diagnosed with RLS; 11 had newly diagnosed RLS, while 12 endorsed RLS preceding the index stroke/TIA. There were no significant differences in baseline characteristics between those with or without RLS. Median SS-QoL in patients with RLS were lower at baseline (p=0.008) and at follow-up (p=0.002). RLS patients had more depressive symptoms at follow-up (p=0.007). Ordinal logistic regression demonstrated that RLS was negatively associated with quality of life at baseline (OR=0.28; p=0.010) and at follow-up (OR=0.14; p=0.029), independent of functional outcome and depressive symptoms.ConclusionsRLS is common after stroke or TIA and negatively impacts quality of life. Screening for RLS after cerebrovascular disease may be warranted and future research should assess whether treatment of RLS can improve post-stroke quality of life.
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