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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

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...
General Anesthesia: Overview01:24

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
Stages of General Anesthesia01:22

Stages of General Anesthesia

Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.

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Related Experiment Video

Updated: Jul 8, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
07:54

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

[Obstructive sleep apnea: a risk for general anesthesia?].

Raphaël Heinzer1

  • 1Service de pneumologie, Centre d'investigation et de recherche sur le sommeil, CHUV, Lausanne. Raphael.heinzer@chuv.ch

Revue Medicale Suisse
|December 28, 2007
PubMed
Summary
This summary is machine-generated.

Patients with obstructive sleep apnea (OSA) face serious risks during anesthesia and surgery. Early screening and continuous positive airway pressure (CPAP) treatment are crucial for managing OSA patients safely.

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Last Updated: Jul 8, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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Area of Science:

  • Anesthesiology
  • Sleep Medicine
  • Critical Care Medicine

Context:

  • Obstructive sleep apnea (OSA) poses significant risks during general anesthesia and postoperative care.
  • Anesthetic agents, airway anatomy, and postoperative pain management can exacerbate OSA complications.
  • A low diagnosis rate (20%) means many OSA patients are undiagnosed preoperatively.

Purpose:

  • To highlight the potential hazards of general anesthesia in patients with obstructive sleep apnea.
  • To emphasize the importance of preoperative screening and diagnosis of OSA.
  • To advocate for the use of continuous positive airway pressure (CPAP) in OSA patients undergoing surgery.

Summary:

  • OSA patients are at high risk for severe complications and mortality during and after general anesthesia.
  • Factors contributing to risk include sedatives, anesthetic agents, pharyngeal anatomy, opioid analgesia, and REM sleep rebound.
  • Continuous positive airway pressure (CPAP) is recommended during premedication, post-extubation, and postoperative analgesia.

Impact:

  • Improved preoperative identification of OSA patients can significantly reduce perioperative morbidity and mortality.
  • Implementing CPAP therapy perioperatively can mitigate risks associated with OSA.
  • Increased vigilance for OSA symptoms during preoperative assessments is essential for patient safety.