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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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Opioid Analgesics: Morphine and Other Natural Cogeners01:20

Opioid Analgesics: Morphine and Other Natural Cogeners

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Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
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Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

Opioid Analgesics: Synthetic and Semisynthetic Opioids

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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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Opioid Receptors: Overview01:22

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Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2,...
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Analgesia and Pain Management01:25

Analgesia and Pain Management

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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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
NREM sleep comprises four progressive stages that seamlessly merge:
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Updated: Oct 16, 2025

Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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Opioids and obstructive sleep apnea.

Carla Freire1,2, Luiz U Sennes2, Vsevolod Y Polotsky1

  • 1Johns Hopkins Sleep Disorders Center, Baltimore, Maryland.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|October 21, 2021
PubMed
Summary

Opioid use can disrupt breathing during sleep, potentially worsening obstructive sleep apnea (OSA). Further research is needed to understand this complex relationship and its impact on patient safety.

Keywords:
hypoglossal nerveobstructive sleep apneaopioidsrespiratory physiology

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Area of Science:

  • Sleep Medicine
  • Respiratory Physiology
  • Pharmacology

Background:

  • Opioids are commonly prescribed for pain relief, with significant annual usage in the United States.
  • Opioid misuse is a major cause of mortality, primarily due to respiratory depression.
  • Studies suggest a link between opioid use and sleep-disordered breathing, including central apneas and hypoxemia.

Purpose of the Study:

  • To review the mechanistic insights into how opioids affect the upper airway and motor control during sleep.
  • To explore the association between opioid use and obstructive sleep apnea (OSA).
  • To address the unanswered question of whether opioids can aggravate existing OSA.

Main Methods:

  • Review of existing animal and human studies on opioid effects on breathing control and upper airway function.
  • Analysis of literature examining the prevalence of OSA and nocturnal hypoxemia in patients using opioids.
  • Discussion of mechanistic pathways linking opioids to upper airway obstruction and hypoglossal motor activity.

Main Results:

  • Opioid use is established to affect breathing control and can cause central apneas and hypoxemia.
  • The presence of OSA increases the risk of severe opioid-induced respiratory depression.
  • Evidence regarding the aggravation of OSA by opioids is conflicting, possibly due to interindividual variability and methodological differences.

Conclusions:

  • Opioids impact upper airway function and breathing regulation during sleep.
  • The relationship between opioid use and obstructive sleep apnea requires further investigation due to conflicting findings.
  • Understanding these interactions is crucial for managing pain and preventing respiratory complications in patients using opioids.