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Related Concept Videos

Narcolepsy01:07

Narcolepsy

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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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Insufficient Sleep and Sleep Deprivation01:13

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
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Related Experiment Video

Updated: Jun 13, 2025

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
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Decrease of excessive daytime sleepiness after shunt treatment for normal pressure hydrocephalus.

Simon Lidén1, Anna Lindam2, Dan Farahmand3

  • 1Department of Biomedical and Clinical Sciences, Neurology, Linköping University, Linköping, Sweden.

Journal of Sleep Research
|September 14, 2024
PubMed
Summary
This summary is machine-generated.

Shunt surgery improved excessive daytime sleepiness in normal pressure hydrocephalus patients, particularly those with severe presurgical sleepiness. This suggests sleepiness is a treatable symptom beyond the classical triad.

Keywords:
Epworth sleepiness scalecerebrospinal fluid shunts

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Area of Science:

  • Neurology
  • Neurosurgery
  • Sleep Medicine

Background:

  • Normal pressure hydrocephalus (NPH) commonly presents with gait, cognitive, and bladder dysfunction.
  • Excessive daytime sleepiness and apathy are frequently reported NPH symptoms but often overlooked in outcome research.
  • Shunt surgery is a primary treatment for NPH, primarily evaluated for its effects on the classical triad symptoms.

Purpose of the Study:

  • To assess the impact of shunt surgery on excessive daytime sleepiness in NPH patients.
  • To investigate the relationship between shunt treatment outcomes and changes in ventricular volume.
  • To determine if presurgical sleepiness severity influences treatment response.

Main Methods:

  • A cohort of 32 NPH patients undergoing shunt surgery was studied.
  • The Epworth Sleepiness Scale (ESS) was used to measure daytime sleepiness pre- and post-surgery (1, 2, and 3 months).
  • Patients were grouped based on presurgical ESS scores (≤12 and >12) to compare treatment responses.

Main Results:

  • Overall, the ESS score improved by a median of 1.5 points at 1 month post-surgery (p=0.026).
  • Significant improvement was observed in patients with high presurgical sleepiness (ESS >12), with a median ESS reduction of 12 points (p=0.035).
  • No significant ESS improvement was noted in patients with lower presurgical sleepiness (ESS ≤12), and no correlation was found between ESS scores and ventricular volume or clinical tests.

Conclusions:

  • Excessive daytime sleepiness is a treatable symptom in normal pressure hydrocephalus, especially when pronounced.
  • The Epworth Sleepiness Scale is a valuable tool for identifying treatable sleepiness in NPH patients during pre-surgical screening.
  • Shunt treatment can alleviate daytime sleepiness in NPH, adding to the known benefits for gait, cognition, and bladder function.