The purpose of the study is to compare the relative contribution of systemic inflammation vs. Obstructive Sleep Apnea (OSA) severity (as measured by Apnea Hypopnea Index) in predicting cardiovascular and metabolic aberrations associated with mild-to-moderate obstructive sleep apnea.
Study Type
OBSERVATIONAL
Enrollment
196
Penn State College of Medicine, Penn State Milton S. Hershey Medical Center
Hershey, Pennsylvania, United States
Presence of the metabolic syndrome
At least 3 of the following 5 risk factors must be met in order to have the metabolic syndrome: 1. Elevated waist measurement (≥102 cm for men or ≥89 cm for women) 2. Elevated triglycerides (≥150 mg/dL or use of medication) 3. Low HDL cholesterol (\<50 mg/dL for women or \<40 mg/dL for men or use of medication) 4. Elevated blood pressure (≥130 mmHg systolic or ≥ 85 mmHg diastolic or use of medication) 5. Elevated fasting blood sugar (≥100 mg/dL or use of medication) Source: https://www.nhlbi.nih.gov/health/health-topics/topics/ms
Time frame: baseline
Obstructive Sleep Apnea
AHI from one night polysomnography
Time frame: baseline
Markers of systemic inflammation
CRP, IL-6, TNFa
Time frame: baseline
Heart rate variability
from polysomnography
Time frame: baseline
Subjective measure of sleepiness
Epworth Sleepiness Scale
Time frame: baseline
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