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Related Concept Videos

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

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Screening for obstructive sleep apnea before surgery: why is it important?

Frances Chung1, Hisham Elsaid

  • 1Department of Anesthesia, Toronto Western Hospital, University Health Network, University of Toronto, 399 Bathurst Street, McL 2-405, Toronto, ON M5T 2S8, Canada. frances.chung@uhn.on.ca

Current Opinion in Anaesthesiology
|May 5, 2009
PubMed
Summary

The STOP questionnaire effectively screens for obstructive sleep apnea (OSA) in surgical patients. This tool, and its enhanced STOP-Bang version, help identify undiagnosed OSA to reduce perioperative risks.

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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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Area of Science:

  • Anesthesiology
  • Sleep Medicine
  • Surgical Risk Assessment

Background:

  • Obstructive sleep apnea (OSA) is a highly prevalent, often undiagnosed sleep disorder.
  • Undiagnosed OSA is associated with increased perioperative complications.
  • Screening for OSA in the preoperative setting can mitigate these risks.

Purpose of the Study:

  • To review available screening tools for obstructive sleep apnea (OSA) in preoperative clinics.
  • To evaluate the utility of the STOP and STOP-Bang questionnaires for OSA screening.

Main Methods:

  • Review of existing literature on OSA screening tools.
  • Analysis of the STOP (Snoring, Tiredness, Observed apnea, Pressure) questionnaire.
  • Evaluation of the STOP-Bang questionnaire, incorporating BMI, age, neck size, and gender.

Main Results:

  • The STOP questionnaire is a validated, concise tool for identifying patients at high risk for OSA in preoperative settings.
  • The STOP-Bang questionnaire demonstrates increased sensitivity and negative predictive value (NPV) for detecting moderate-to-severe OSA.
  • An estimated 82% of men and 92% of women with moderate-to-severe OSA remain undiagnosed.

Conclusions:

  • The STOP questionnaire is easily integrated into routine preoperative screening for surgical patients.
  • Utilizing STOP or STOP-Bang can improve the detection of OSA, thereby reducing perioperative risks.