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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

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REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
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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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Other Pulmonary Disorders01:17

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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Complex sleep apnea.

Harish Rao1, Robert Joseph Thomas

  • 1Boston Children's Hospital & Harvard Medical School, 300 Longwood Avenue, Boston, MA, USA.

Current Treatment Options in Neurology
|October 19, 2013
PubMed
Summary
This summary is machine-generated.

Complex sleep apnea involves persistent central apneas after treatment for obstructive sleep apnea. Understanding the underlying respiratory chemoreflex is key to effective multi-modality therapies for this condition.

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Area of Science:

  • Sleep Medicine
  • Respiratory Physiology
  • Chemoreflex Regulation

Background:

  • Complex sleep apnea is often defined by its occurrence after positive airway pressure therapy for obstructive sleep apnea.
  • Current definitions may not fully encompass the spectrum of respiratory chemoreflex dysregulation.
  • Treatment-related central sleep apnea, recognized in the ICSD-3, often presents before therapy initiation.

Purpose of the Study:

  • To redefine complex sleep apnea beyond a treatment outcome.
  • To highlight the role of respiratory chemoreflex activation in sleep apnea.
  • To explore novel therapeutic strategies for complex sleep apnea.

Main Methods:

  • Analysis of polysomnographic characteristics including NREM/REM dominance, cycle time, and timing.
  • Review of existing literature on chemoreflex modulation and sleep apnea.
  • Evaluation of current and potential therapeutic interventions.

Main Results:

  • Chemoreflex-mediated sleep apnea exhibits NREM dominance, specific cycle times, and REM sleep improvement.
  • Obstructive sleep apnea treatments can unmask underlying chemoreflex instabilities.
  • Factors like sleep fragmentation and increased loop gain contribute to the disease.

Conclusions:

  • Complex sleep apnea is driven by respiratory chemoreflex instability, not solely by treatment outcomes.
  • Therapies targeting CO2 levels and stabilizing respiratory control are logical.
  • Multi-modality treatment approaches are essential for optimal management of complex sleep apnea.