하지불안증후군/윌리스-엑봄병의 병태생리

• 영문명: The Pathophysiology of Restless Legs Syndrome/Willis-Ekbom Disease
• 발행기관: 대한수면의학회
• 저자명: 신재공(Jaegong Cyn)
• 간행물 정보: 『수면정신생리』제28권 제2호, 43~52쪽, 전체 10쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2021.12.31

영문 초록

Restless Legs Syndrome/Willis-Ekbom Disease (RLS/WED) is a sleep disorder characterized by sensorimotor symptoms such as unpleasant sensations before sleep, akathisia, and periodic limb movements during sleep. It is also closely related to hyper- arousal and is often accompanied by insomnia. Although the mechanism is not clear, the understanding of etiology and pathophysiology has greatly expanded through recent advances in genetic and neurobiological research. The most impor- tant pathophysiology of RLS/WED is brain iron deficiency. Such iron deficiency in the brain is caused by complex interac- tions between several genetic factors and various environmental factors, including comorbidities. Iron deficiency in the brain results in dysfunction of several neurotransmitters. A decrease in adenosine activity appears first, followed by an in- crease in the activity of glutamate and dopamine. A decrease in adenosine activity and an increase in glutamate activity stimulate the brain arousal system, resulting in hyperarousal. In addition, overproduction of dopamine and glutamate leads to dysfunction of the cortical-striatal-thalamic circuit, resulting in symptoms such as akathisia and periodic limb movements during sleep.

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키워드

Pathophysiology Restless Legs Syndrome Willis-Ekbom Disease