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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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Relationship between lipids and sleep apnea: Mendelian randomization analysis.

Lian-Peng Zhang1, Xiao-Xia Zhang2

  • 1Department of Respiratory Medicine, Qingzhou Hospital Affiliated to Shandong First Medical University, Qingzhou People's Hospital, Qingzhou 262500, Shandong Province, China. hxzlp2013@126.com.

World Journal of Clinical Cases
|November 17, 2022
PubMed
Summary

This study investigated if serum lipids causally influence sleep apnea risk. Mendelian randomization analysis found no evidence that genetically predicted lipid levels are risk factors for sleep apnea.

Keywords:
LipidMendelian randomizationRisk factorSingle nucleotide polymorphismSleep apnea

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Area of Science:

  • Genetics
  • Epidemiology
  • Metabolic Disorders

Background:

  • Elevated lipids are associated with increased sleep apnea risk, but a causal link remains unproven.
  • Understanding the relationship between lipids and sleep apnea is crucial for public health.

Purpose of the Study:

  • To investigate the potential causal relationship between genetically predicted serum lipid levels and sleep apnea.
  • Utilize two-sample Mendelian randomization to assess causality.

Main Methods:

  • Leveraged large-scale genetic data from the Global Lipids Genetics Consortium and the UK Biobank.
  • Employed two-sample Mendelian randomization analysis using single nucleotide polymorphisms (SNPs) as instrumental variables.
  • Included individuals of European ancestry for robust genetic analysis.

Main Results:

  • No statistically significant causal association was found between genetically predicted low-density lipoprotein, high-density lipoprotein, triglycerides, or total cholesterol and sleep apnea.
  • The odds ratios for sleep apnea across lipid parameters were consistently close to 1, with wide confidence intervals and non-significant p-values.

Conclusions:

  • Genetically predicted serum lipid levels do not appear to be causal risk factors for sleep apnea.
  • Findings suggest that observed associations between lipids and sleep apnea may be due to confounding factors or reverse causality.