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The Impact of Obstructive Sleep Apnea on Metabolic and Inflammatory Markers in Consecutive Patients with Metabolic Syndrome

Open access
Drager, Luciano F., Lopes, Heno F., Maki-Nunes, Cristiane, Trombetta, Ivani C., Toschi-Dias, Edgar, Alves, Maria Janieire N. N., Fraga, Raffael F., Jun, Jonathan C., Negrão, Carlos E., Krieger, Eduardo M., Polotsky, Vsevolod Y., Lorenzi-Filho, Geraldo·2010·PLoS ONE

Abstract

BACKGROUND: Obstructive Sleep Apnea (OSA) is tightly linked to some components of Metabolic Syndrome (MetS). However, most of the evidence evaluated individual components of the MetS or patients with a diagnosis of OSA that were referred for sleep studies due to sleep complaints. Therefore, it is not clear whether OSA exacerbates the metabolic abnormalities in a representative sample of patients with MetS. METHODOLOGY/PRINCIPAL FINDINGS: We studied 152 consecutive patients (age 48+/-9 years, body mass index 32.3+/-3.4 Kg/m2) newly diagnosed with MetS (Adult Treatment Panel III). All participants underwent standard polysomnography irrespective of sleep complaints, and laboratory measurements (glucose, lipid profile, uric acid and C-reactive protein). The prevalence of OSA (apnea-hypopnea index>or=15 events per hour of sleep) was 60.5%. Patients with OSA exhibited significantly higher levels of blood pressure, glucose, triglycerides, cholesterol, LDL, cholesterol/HDL ratio, triglycerides/HDL ratio, uric acid and C-reactive protein than patients without OSA. OSA was independently associated with 2 MetS criteria: triglycerides: OR: 3.26 (1.47-7.21) and glucose: OR: 2.31 (1.12-4.80). OSA was also independently associated with increased cholesterol/HDL ratio: OR: 2.38 (1.08-5.24), uric acid: OR: 4.19 (1.70-10.35) and C-reactive protein: OR: 6.10 (2.64-14.11). Indices of sleep apnea severity, apnea-hypopnea index and minimum oxygen saturation, were independently associated with increased levels of triglycerides, glucose as well as cholesterol/HDL ratio, uric acid and C-reactive protein. Excessive daytime sleepiness had no effect on the metabolic and inflammatory parameters. CONCLUSIONS/SIGNIFICANCE: Unrecognized OSA is common in consecutive patients with MetS. OSA may contribute to metabolic dysregulation and systemic inflammation in patients with MetS, regardless of symptoms of daytime sleepiness.

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Metadata

Authors
Drager, L. F., Lopes, H. F., Maki-Nunes, C., Trombetta, I. C., Toschi-Dias, E., Alves, M. J. N. N., Fraga, R. F., Jun, J. C., Negrão, C. E., Krieger, E. M., Polotsky, V. Y., & Lorenzi-Filho, G.
Venue
PLoS ONE
Published
2010-08-11
Volume
5
Issue
8
Pages
e12065
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2031750226
Cited by
284
References
9
FWCI
12.36
Type
journal article
Language
en
Open access
gold

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Drager, L. F., Lopes, H. F., Maki-Nunes, C., Trombetta, I. C., Toschi-Dias, E., Alves, M. J. N. N., Fraga, R. F., Jun, J. C., Negrão, C. E., Krieger, E. M., Polotsky, V. Y., & Lorenzi-Filho, G. (2010). The Impact of Obstructive Sleep Apnea on Metabolic and Inflammatory Markers in Consecutive Patients with Metabolic Syndrome. PLoS ONE. https://doi.org/10.1371/journal.pone.0012065

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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