Abstract
ObjectiveThe objective of this study is to emphasize the importance of the clinical suspicion of Restless Legs Syndrome (RLS) among patients with chronic insomnia. MethodsWe conducted a retrospective study referring to the period 2009–2018. All patients presenting with the complaint of insomnia and fulfilling the criteria of Chronic Insomnia (C.I.) were enrolled. In this group we estimated how many patients finally had the diagnosis of RLS. Demographic and clinical characteristics (sleep related problems, fatigue, daytime sleepiness and psychological profile) were recorded and analyzed between C.I. and RLS patients using logistic regression models. ResultsA total of 532 patients presented with C.I. Among them 83 proved to have RLS. No differences in frequencies or odds were observed concerning the type of insomnia, daily fatigue, daytime sleepiness and depression. RLS is more frequent in women (p = 0.01) and in older patients (p = 0.05) who present with the picture of C.I. Anxiety levels are higher in the RLS group (p = 0.004). ConclusionRLS and C.I. patients demonstrate a very similar profile which complicates the differential diagnosis. Physicians and especially psychiatrists who deal with insomnia must have increased clinical suspicion for RLS as RLS and insomnia have a totally different therapeutic approach.
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