Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Diagnostic aspects of narcolepsy

M S Aldrich1

  • 1Department of Neurology, University of Michigan Medical Center, Ann Arbor 48109-0316, USA.

Neurology
|March 4, 1998
PubMed
Summary

Diagnosing narcolepsy is complex, as symptoms like daytime sleepiness overlap with other sleep disorders. Cataplexy is a key indicator, but careful assessment is needed for accurate narcolepsy diagnosis.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A comparison of three different sleep schedules for reducing daytime sleepiness in narcolepsy.

Sleep·2001
Same author

Insomnia, self-medication, and relapse to alcoholism.

The American journal of psychiatry·2001
Same author

Decreased striatal dopaminergic innervation in REM sleep behavior disorder.

Neurology·2000
Same author

Sleep onset REM periods during multiple sleep latency tests in patients evaluated for sleep apnea.

American journal of respiratory and critical care medicine·2000
Same author

Lateralizing value of interictal spikes on overnight sleep-EEG studies in temporal lobe epilepsy.

Epilepsia·1999
Same author

Narcolepsy and the hypocretin receptor 2 gene.

Neuron·1999

Area of Science:

  • Neurology
  • Sleep Medicine
  • Immunogenetics

Background:

  • Diagnostic criteria for narcolepsy are evolving with increased understanding of sleep disorders.
  • Symptoms like cataplexy, daytime sleepiness, sleep paralysis, and hypnagogic hallucinations are traditionally used to differentiate narcolepsy.
  • Human leukocyte antigen (HLA) haplotype and sleep laboratory findings aid in differential diagnosis.

Purpose of the Study:

  • To review the evolving diagnostic criteria for narcolepsy.
  • To discuss the differential diagnosis of narcolepsy, particularly distinguishing it from other sleep disorders.
  • To highlight the diagnostic value and challenges of cataplexy and other narcolepsy features.

Main Methods:

  • Review of current scientific literature on narcolepsy diagnosis.
  • Analysis of characteristic symptoms and diagnostic assessments for narcolepsy.
  • Comparison of narcolepsy features with those of other sleep disorders, including idiopathic hypersomnia.

Main Results:

  • Many narcolepsy features, including HLA-DR2, short sleep latency, and sleep-onset REM, can occur in other sleep disorders.
  • Unambiguous cataplexy is a strong indicator of narcolepsy but can be challenging to assess and may occur in other neurological conditions.
  • Narcolepsy-cataplexy presents a distinct syndrome associated with HLA markers and REM sleep abnormalities.
  • Significant clinical overlap exists between narcolepsy without cataplexy and idiopathic hypersomnia.

Conclusions:

  • Accurate narcolepsy diagnosis requires thorough assessment, especially in cases without clear cataplexy.
  • Distinguishing narcolepsy from idiopathic hypersomnia can be challenging due to overlapping symptoms.
  • Narcolepsy-cataplexy is a well-defined entity, but other presentations necessitate careful differential diagnosis to rule out alternative sleep disorders.

Related Experiment Videos