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Related Experiment Video

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

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

Published on: December 6, 2016

Waist circumference and sleep disordered breathing.

Terence M Davidson¹, Minal R Patel

¹University of California, San Diego, San Diego, California, USA. tdavidson@ucsd.edu

The Laryngoscope

|December 20, 2007

Summary

This summary is machine-generated.

Waist circumference is the strongest predictor of sleep disordered breathing (SDB) severity, outperforming body mass index (BMI) and neck circumference. This finding highlights the importance of abdominal obesity in SDB assessment.

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Area of Science:

Sleep Medicine
Obesity Research
Cardiorespiratory Physiology

Background:

Sleep disordered breathing (SDB) is a prevalent condition often associated with obesity.
Various anthropometric measures are used to assess obesity, but their correlation with SDB severity requires further clarification.

Purpose of the Study:

To investigate the correlation between different obesity metrics (BMI, Mallampati score, neck circumference, waist circumference, waist-hip ratio) and SDB severity, measured by the apnea/hypopnea index (AHI).
To identify which obesity metric is the most effective predictor of SDB.

Main Methods:

A cohort of 414 patients undergoing SDB evaluation at a specialized clinic were assessed.
Data on obesity markers and sleep study results (AHI) were collected and analyzed using Pearson's correlations and linear regression.

Main Results:

Waist circumference showed the strongest correlation with SDB severity in both males (r=0.445) and females (r=0.366).
Neck circumference and BMI also demonstrated significant correlations with AHI.
Linear regression indicated that waist and neck circumference were superior predictors of SDB compared to BMI.

Conclusions:

Obesity is significantly correlated with SDB severity.
Waist circumference is a more reliable indicator for predicting SDB than BMI or neck circumference.
Abnormal waist circumference, defined as ≥102 cm for men and ≥102 cm for women, is associated with SDB.