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Key sleep neurologic disorders: Narcolepsy, restless legs syndrome/Willis-Ekbom disease, and REM sleep behavior disorder.

ABSTRACT: Sleep disorders are frequent comorbidities in neurologic patients. This review focuses on clinical aspects and prognosis of 3 neurologic sleep disorders: narcolepsy, restless legs syndrome/Willis-Ekbom disease (RLS/WED), and REM sleep behavior disorder (RBD). Narcolepsy causes pervasive, enduring excessive daytime sleepiness, adversely affecting patients' daily functioning. RLS/WED is characterized by an uncomfortable urge to move the legs before sleep, often evolving toward augmentation and resulting in daylong bothersome symptoms. RBD causes potentially injurious dream enactment behaviors that often signify future evolution of overt synucleinopathy neurodegeneration in as many as 81% of patients. Timely recognition, referral for polysomnography, and longitudinal follow-up of narcolepsy, RLS/WED, and RBD patients are imperatives for neurologists in providing quality comprehensive patient care.

SUBMITTER: St Louis EK

PROVIDER: S-EPMC3943657 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature

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Key sleep neurologic disorders: Narcolepsy, restless legs syndrome/Willis-Ekbom disease, and REM sleep behavior disorder.

St Louis Erik K EK

Neurology. Clinical practice 20140201 1

Sleep disorders are frequent comorbidities in neurologic patients. This review focuses on clinical aspects and prognosis of 3 neurologic sleep disorders: narcolepsy, restless legs syndrome/Willis-Ekbom disease (RLS/WED), and REM sleep behavior disorder (RBD). Narcolepsy causes pervasive, enduring excessive daytime sleepiness, adversely affecting patients' daily functioning. RLS/WED is characterized by an uncomfortable urge to move the legs before sleep, often evolving toward augmentation and res ...[more]

PMID: 24605270

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Project description:Study objectivesTo validate the Multiple Suggested Immobilization Test (m-SIT), a symptom-provocation test measuring restless legs syndrome (RLS) severity multiple times a day while the patient is awake and resting under controlled conditions. The m-SIT was designed to overcome some limitations in measuring RLS severity with rating scales.DesignPatients completed two m-SITs on 2 consecutive days while on 24-h dopaminergic medication. After treatment discontinuation, they completed one more m-SIT 3 days later. Controls performed only one m-SIT.SettingSleep laboratory.ParticipantsNineteen patients with RLS and 10 healthy controls.InterventionsThe original m-SIT consisted of seven modified 60-min SITs performed every 2 h between noon and midnight. During each SIT, the subject reclined quietly but could move his or her legs without restriction to alleviate symptoms. Every 10 min, periodic leg movements during wakefulness (PLMW) were evaluated and the m-SIT Disturbance Scale (m-SIT-DS; range 0-10) was completed.Measurements and resultsThe m-SIT, composed of 6:00pm, 8:00pm, 10:00pm, and 12:00pm SITs, discriminated patients from controls (mean m-SIT-DS: 2.68 ± 2.35 versus 0.08 ± 0.26; mean PLMW/h, P = 0.0001) and between treatment groups (on medication versus taken off medication; mean m-SIT-DS, P = 0.0001; mean PLMW/h, P < 0.01). It proved reliable on retest and covariated well with the International Restless Legs Scale (IRLS) and scales measuring daytime symptoms (Spearman ? > 0.4).ConclusionsThe m-SIT is a valid and reliable test to evaluate RLS severity and treatment response, and could be useful in the future to confirm diagnosis and identify daytime symptoms. Although it was primarily designed for clinical trials, it might be useful in clinical settings because it provides a standardized testing condition to measure RLS symptoms.CitationGarcia-Borreguero D; Kohnen R; Boothby L; Tzonova D; Larrosa O; Dunkl E. Validation of the Multiple Suggested Immobilization Test: a test for the assessment of severity of restless legs syndrome (Willis-Ekbom disease). SLEEP 2013;36(7):1101-1109.

Dataset Information

Key sleep neurologic disorders: Narcolepsy, restless legs syndrome/Willis-Ekbom disease, and REM sleep behavior disorder.

Publications

Key sleep neurologic disorders: Narcolepsy, restless legs syndrome/Willis-Ekbom disease, and REM sleep behavior disorder.

Similar Datasets

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