The purpose of this study is to examine postprandial glucose and lipid metabolism in patients with obstructive sleep apnea.
Obstructive sleep apnea (OSA) is an increasingly prevalent condition that is characterized by repetitive upper airway obstructions. OSA has been independently associated with insulin resistance, suggesting that OSA may contribute to the development of type 2 diabetes and the metabolic syndrome. Recently, postprandial glucose and lipid have been reported as excellent predictors for mortality and cardiovascular risk. However, the association between postprandial glucose, lipid metabolism and OSA are not clear. In addition, humoral factors such as ghrelin and leptin are associated with obesity and OSA, but postprandial changes of which in patients with OSA are not well known. The aim of present study is to examine postprandial glucose and lipid metabolism, humoral factors in OSA before and after 3 months of continuous positive airway pressure (CPAP) treatment.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
58
maintains upper airway patency and minimizes the obstructive events
Kyoto University Graduate School of Medicine
Kyoto, Kyoto, Japan
postprandial metabolic markers including glucose, cholesterol, triglyceride, ghrelin, leptin
Time frame: baseline and 3 months after CPAP
respiratory events (ie. apnea-hypopnea index)
Time frame: baseline and 3 months after CPAP
inflammatory biomarkers (ie. IL-6, CRP)
Time frame: baseline and 3 months after CPAP
quality of life
Time frame: baseline and 3 months after CPAP
sleep quality
Time frame: baseline and 3 months after CPAP
sympathetic activity in urine
Time frame: baseline and 3 months after CPAP
appetite
Time frame: baseline and 3 months after CPAP
endothelial function
Time frame: baseline and 3months after CPAP
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