Abstract
abstract 2014 Elsevier B.V. All rights reserved. CatathreniaCardiorespiratory monitoringParasomniaPolysomnographyBradypnea 1. Introduction to the caseRestlesslegssyndrome(RLS)isasensorimotordisorderinvolvingleg discomfort and motor restlessness. Radiological and pharmaco-logical findings provide indirect evidence of dopaminergic systemabnormalities. It has been suggested that this dysfunction ismediated by low brain iron levels. Magnetic resonance imaging(MRI) revealed decreased regional iron in the substantia nigra andin the putamen of patients with idiopathic RLS [1].Dysmetabolic iron overload syndrome (DIOS) is characterizedby hyperferritinemia and mild iron overload. Most patients havea concomitant metabolic disorder (overweight, hyperlipidemia,hypertension, or diabetes) [2].DIOS is genetically distinct from genetic hemochromatosis (GH)[3].A 50-year-old man with history of complete remission of blad-der cancer, overweight, high blood pressure, and dyslipidemia wasreferred in 2009 for insomnia and periodic limb movements duringsleep (PLMS) for the past three years. He fulfilled criteria for RLS.Neurological examination was normal, body mass index was28.5 kg/m
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