Continuous Spike and Waves During Sleep and Electrical Status Epilepticus in Sleep

@article{Loddenkemper2011ContinuousSA,
  title={Continuous Spike and Waves During Sleep and Electrical Status Epilepticus in Sleep},
  author={Tobias Loddenkemper and Iv{\'a}n S{\'a}nchez Fern{\'a}ndez and Jurriaan M. Peters},
  journal={Journal of Clinical Neurophysiology},
  year={2011},
  volume={28},
  pages={154-164}
}
Continuous spike and waves during sleep is an age-related epileptic encephalopathy that presents with neurocognitive regression, seizures, and an EEG pattern of electrical status epilepticus during sleep. Patients usually present around 5 years of age with infrequent nocturnal unilateral motor seizures that progress within 1 to 2 years to a severe epileptic encephalopathy with frequent seizures of different types, marked neurocognitive regression, and an almost continuous spike-wave EEG pattern… 
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References

SHOWING 1-10 OF 193 REFERENCES
Neuronal networks in children with continuous spikes and waves during slow sleep.
TLDR
The spike-related deactivations in structures of the default mode network are consistent with the concept of epileptiform activity impacting on normal brain function by inducing repetitive interruptions of neurophysiological function.
Electrical status epilepticus during slow-wave sleep: a review.
  • P. Jayakar, S. Seshia
  • Psychology
    Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society
  • 1991
TLDR
A number of factors, broadly termed ascertainment biases, likely contribute to the paucity of reports from North America and the greater recognition of the syndrome in Europe and Japan.
Cognition and Paroxysmal EEG Activities: From a Single Spike to Electrical Status Epilepticus during Sleep
TLDR
It is speculated that prolonged focal epileptic activity during sleep (as occurring in ESES) interferes with local SWA at the site of the epileptic focus, impairing the neural processes and, possibly, the local plastic changes associated with learning and other cognitive functions.
Electrical status epilepticus in sleep.
Levetiracetam in continuous spike waves during slow-wave sleep syndrome.
The spectrum of neuropsychiatric abnormalities associated with electrical status epilepticus in sleep
Epileptic Encephalopathy of Late Childhood: Landau-Kleffner Syndrome and the Syndrome of Continuous Spikes and Waves During Slow-Wave Sleep
  • Michael C. Smith, T. Hoeppner
  • Medicine, Psychology
    Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society
  • 2003
Landau-Kleffner syndrome (LKS) and the syndrome of continuous spikes and waves during slow wave sleep (CSWS) are two points on the spectrum of functional childhood epileptic encephalopathies. They
Encephalopathy with status epilepticus during slow sleep: “The Penelope syndrome”
TLDR
The pathophysiologic mechanisms underlying this condition are still incompletely understood; recent data suggest that the abnormal epileptic EEG activity occurring during sleep might cause the typical clinical symptoms by interfering with sleep‐related physiologic functions, and possibly neuroplasticity processes mediating higher cortical functions such as learning and memory consolidation.
Spectrum of epileptic syndromes with electrical status epilepticus during sleep in children.
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