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Open AccessJournal ArticleDOI

Test-Retest Reliability of Two Consecutive Mean Sleep Latency Tests in Patients with Hypersomnia.

TLDR
In patients with subjective complaints of hypersomnia, a single MSLT is sufficient (vs. addition of second day MSLT) in the setting of carefully implemented protocol controlling for potential confounding variables.
Abstract
Reliability of mean sleep latency testing (MSLT) over consecutive days in patients with hypersomnia is unknown. We reviewed MSLTs of patients with hypersomnia without cataplexy who underwent our two consecutive MSLT protocol (N = 29). Average MSLs were 10.9 and 10.9 min for day 1 and 2, respectively. Agreement for pathological hypersomnia (defined as MSL ≤8 min) between MSLT days showed k = 0.85 for all (N = 29) and k = 0.76 for those without sleep apnea (N = 20). In patients with subjective complaints of hypersomnia, a single MSLT is sufficient (vs. addition of second day MSLT) in the setting of carefully implemented protocol controlling for potential confounding variables.

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Citations
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Journal ArticleDOI

Twice is nice? Test-retest reliability of the Multiple Sleep Latency Test in the central disorders of hypersomnolence

TL;DR: Trotti et al. as mentioned in this paper investigated the reliability of the multiple sleep Latency Test in the central disorders of hypersomnolence and found that twice is not always nice.
Journal ArticleDOI

False-positive cases in multiple sleep latency test by accumulated sleep debt

TL;DR: In this article, the effect of chronic sleep debt on the performance of multiple sleep latency test on polysomnography (PSG) and MSLT has been evaluated in 12 hypersomnolent males.
Journal ArticleDOI

Challenges in Diagnosing Narcolepsy and Idiopathic Hypersomnia

TL;DR: In this article , the repeatability of the Multiple Sleep Latency Test (MSLT) in type 2 narcolepsy (NT2) patients was questioned, and the authors suggested the need for new tests in addition to the MSLT for diagnostic consistency in NT2 and idiopathic hypersomnia.
References
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Journal ArticleDOI

Correlates of sleep-onset REM periods during the Multiple Sleep Latency Test in community adults

TL;DR: A high prevalence of narcolepsy without cataplexy is suggested, as defined by the International Classification of Sleep Disorders, and/or a large number of false-positives for the Multiple Sleep Latency Test.
Journal ArticleDOI

Test-retest reliability of the multiple sleep latency test in narcolepsy without cataplexy and idiopathic hypersomnia.

TL;DR: The multiple sleep latency test demonstrates poor test-retest reliability in a clinical population of patients with central nervous system hypersomnia evaluated in a tertiary referral center.
Journal ArticleDOI

Test-retest reliability of the MSLT.

TL;DR: The test-retest reliability of the Multiple Sleep Latency Test was evaluated in 14 healthy normal subjects and found that as the number of tests comprising the MSLT was reduced below three, the reliability was reduced such that only 50% or less of the variance could be predicted.
Journal ArticleDOI

Narcolepsy and predictors of positive MSLTs in the Wisconsin Sleep Cohort.

TL;DR: The diagnostic value of multiple sleep latency tests is strongly altered by shift work and to a lesser extent by chronic sleep deprivation, and may be 3-fold higher than that of narcolepsy-cataplexy.
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