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Restless Legs Syndrome and Painful Legs/Moving Toes

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Movement Disorders Curricula

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Abstract

Restless legs syndrome (RLS), which has been recently renamed Willis–Ekbom disease (WED), is a neurological disorder characterized by unpleasant sensations in the legs, with an urge to move. Symptoms mainly occur at rest in the evening or at night, and they are alleviated by moving the affected extremity. In the general population, a RLS prevalence of 5 % has been reported.

Concerning the pathophysiology of RLS, some possible primary factors as brain iron deficiency, central nervous system dopamine regulation, and genetics have been identified.

Recent guidelines indicated that pharmacological treatment should be limited to those patients who suffer from clinically relevant RLS, that is, when symptoms significantly impair the patient’s daytime functioning, quality of life, and sleep. In patients affected by chronic RLS, a nonergot dopamine agonist or an α-2-δ calcium channel ligand are indicated. In the clinical practice, a dopamine agonist is more appropriate in case of depression and overweight presence. In case of comorbidities, such as chronic pain, anxiety, or insomnia, the α-2-δ ligands should be considered. RLS symptoms that are present through large part of the day and night may favor the use of long-acting agents, such as the rotigotine patch or gabapentin enacarbil. In refractory RLS patients, oral prolonged release oxycodone–naloxone should be appropriate.

Painful legs and moving toes syndrome (PLMTS) is a rare and underdiagnosed disorder. The pathophysiology of PLMTS is unknown, but most reports suggest an association with a peripheral lesion. Treatment is often unsatisfactory, but botulinum toxin and pramipexole showed long-term beneficial effect.

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Abbreviations

CSF:

Cerebrospinal fluid

EMG:

Electromyography

ICSD-3:

International classification of sleep disorders, 3rd edition

PLMS:

Periodic limb movements in sleep

PLMTS:

Painful legs and moving toes syndrome

PLMW:

Periodic limb movements in wakefulness

RLS:

Restless legs syndrome

SIT:

Suggested Immobilization Test

WED:

Willis–Ekbom disease

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Author information

Authors and Affiliations

  1. Department of Clinical Neurosciences, San Raffaele Scientific Institute, Sleep Disorders Center, Milan, Italy

    Luigi Ferini-Strambi MD, PhD & Sara Marelli PhD

  2. Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy

    Luigi Ferini-Strambi MD, PhD

  3. Sleep Disorders Center, Università Vita-Salute San Raffaele, Milan, Italy

    Luigi Ferini-Strambi MD, PhD

  4. Department of Surgery and Traslational Medicine, Università of Milano-Bicocca, Milan, Italy

    Romina Combi PhD

Authors
  1. Luigi Ferini-Strambi MD, PhD
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  2. Sara Marelli PhD
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  3. Romina Combi PhD
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Corresponding author

Correspondence to Luigi Ferini-Strambi MD, PhD .

Editor information

Editors and Affiliations

  1. Faculty of Medicine, Transilvania University, Brasov, Romania

    Cristian Falup-Pecurariu

  2. Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, Lisbon, Portugal

    Joaquim Ferreira

  3. National Center of Epidemiology and CIBERNED, Carlos III Institute of Health, Madrid, Spain

    Pablo Martinez-Martin

  4. Centre of Excellence, King’s College London, National Parkinson Foundation Centre of Excellence King’s College, London, United Kingdom

    Kallol Ray Chaudhuri

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Ferini-Strambi, L., Marelli, S., Combi, R. (2017). Restless Legs Syndrome and Painful Legs/Moving Toes. In: Falup-Pecurariu, C., Ferreira, J., Martinez-Martin, P., Chaudhuri, K. (eds) Movement Disorders Curricula. Springer, Vienna. https://doi.org/10.1007/978-3-7091-1628-9_36

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  • DOI: https://doi.org/10.1007/978-3-7091-1628-9_36

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