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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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Related Experiment Video

Updated: Mar 22, 2026

Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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Predicting Obstructive Sleep Apnea with Periodic Snoring Sound Recorded at Home.

Anniina Alakuijala1,2, Tapani Salmi1,2

  • 1Department of Clinical Neurophysiology, HUS Medical Imaging Center, Helsinki University Hospital, Finland.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|April 20, 2016
PubMed
Summary
This summary is machine-generated.

Periodic snoring at home can help screen for obstructive sleep apnea (OSA). A threshold of 15% periodic snoring effectively predicts moderate to severe OSA, improving diagnostic cost-effectiveness.

Keywords:
apnea-hypopnea indexobstructive sleep apneascreeningsnoring

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Area of Science:

  • Sleep Medicine
  • Respiratory Medicine
  • Diagnostic Technology

Background:

  • Diagnosing obstructive sleep apnea (OSA) can be costly.
  • Improving cost-effectiveness through preliminary screening is desirable.
  • Periodic snoring is a potential, underutilized screening indicator.

Purpose of the Study:

  • To evaluate the diagnostic value of home-recorded periodic snoring for obstructive sleep apnea (OSA).
  • To determine if periodic snoring can serve as a cost-effective preliminary screening tool.

Main Methods:

  • 211 subjects with suspected OSA underwent overnight polygraphy with a built-in microphone.
  • The percentage of periodic snoring during the home sleep apnea study was analyzed.
  • Correlation between periodic snoring percentage and Apnea-Hypopnea Index (AHI) was assessed.

Main Results:

  • A strong positive correlation (r=0.727) was found between periodic snoring and AHI.
  • A periodic snoring threshold of 15% predicted an AHI > 15 events/h with 93.3% sensitivity.
  • This threshold was particularly effective in younger, female, and obese individuals.

Conclusions:

  • Home-recorded periodic snoring is a simple, useful predictor of OSA probability.
  • A 15% periodic snoring threshold can guide further sleep studies, enhancing diagnostic efficiency.
  • This method is especially valuable for identifying OSA in women.