OSA in obese patients is linked to cardiac adiposity and abnormal fat distribution, and its severity in metabolic syndrome correlates with structural cardiovascular changes like increased LV mass and carotid IMT.
Cardiac adiposity may refine OSA risk assessment beyond BMI in obesity; leaves open causal links to LV mass and carotid IMT in metabolic syndrome.
The occurrence of OSA in obese people is more closely related to cardiac adiposity and to abnormal fat distribution rather than to the absolute amount of adipose tissue. In patients with metabolic syndrome the severity of OSA is associated with increase in left ventricular mass and carotid intima/media thickness.
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Lubrano et al. (2012) studied this question.
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