To split or to lump? Classifying the central disorders of hypersomnolence - Sorbonne Université
Journal Articles Sleep Year : 2020

To split or to lump? Classifying the central disorders of hypersomnolence

Abstract

The classification of the central disorders of hypersomnolence has undergone multiple iterations in an attempt to capture biologically meaningful disease entities in the absence of known pathophysiology. Accumulating data suggests that further refinements may be necessary. At the 7th International Symposium on Narcolepsy, a group of clinician-scientists evaluated data in support of keeping or changing classifications, and as a result suggest several changes. First, idiopathic hypersomnia with long sleep durations appears to be an identifiable and meaningful disease subtype. Second, idiopathic hypersomnia without long sleep time and narcolepsy without cataplexy share substantial phenotypic overlap and cannot reliably be distinguished with current testing, and so combining them into a single disease entity seems warranted at present. Moving forward, it is critical to phenotype patients across a wide variety of clinical and biological features, to aid in future refinements of disease classification.
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Dates and versions

hal-03095281 , version 1 (04-01-2021)

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Rolf Fronczek, Isabelle Arnulf, Christian Baumann, Kiran Maski, Fabio Pizza, et al.. To split or to lump? Classifying the central disorders of hypersomnolence. Sleep, 2020, 43 (8), ⟨10.1093/sleep/zsaa044⟩. ⟨hal-03095281⟩
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