Document Detail


Free fatty acids and the metabolic syndrome in patients with obstructive sleep apnoea.
MedLine Citation:
PMID:  21177837     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Obesity and metabolic syndrome (MS) occur frequently in patients with obstructive sleep apnoea syndrome (OSAS). We hypothesised that circulating free fatty acids (FFAs) are elevated in OSAS patients independently of obesity. This elevation may contribute to the development of MS in these patients. We studied 119 OSAS patients and 119 controls. Participants were recruited and studied at sleep unit of our institution (Hospital Universitari Son Dureta, Palma de Mallorca, Spain) and were matched for sex, age and body mass index (BMI). The occurrence of MS was analysed by clinical criteria. Serum levels of FFAs, glucose, triglycerides, cholesterol, high-density lipoprotein-cholesterol, aspartate aminotransferase, alanine aminotransferase, γ-glutamyltransferase, C-reactive protein and 8-isoprostanes were determined. Prevalence of MS was higher in OSAS than in the control group (38 versus 21%; p=0.006). OSAS patients had higher FFAs levels than controls (mean±sd 12.2±4.9 versus 10.5±5.0 mg·dL(-1); p=0.015). Among subjects without MS, OSAS patients (OSAS+ MS-) showed higher levels of FFAs than controls (OSAS- MS-) (11.6±4.7 versus 10.0±4.4 mg·dL(-1); p=0.04). In a multiple regression model, after adjustment for age, sex, BMI and the presence of MS, FFAs were significantly associated with apnoea/hypopnoea index (p=0.04). This study shows that FFAs are elevated in OSAS and could be one of the mechanisms involved in the metabolic complications of OSAS.
Authors:
A Barceló; J Piérola; M de la Peña; C Esquinas; A Fuster; M Sanchez-de-la-Torre; M Carrera; A Alonso-Fernandez; A Ladaria; M Bosch; F Barbé
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-12-22
Journal Detail:
Title:  The European respiratory journal     Volume:  37     ISSN:  1399-3003     ISO Abbreviation:  Eur. Respir. J.     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-06-02     Completed Date:  2011-10-07     Revised Date:  2013-05-23    
Medline Journal Info:
Nlm Unique ID:  8803460     Medline TA:  Eur Respir J     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  1418-23     Citation Subset:  IM    
Affiliation:
Servei de Analisis Cliniques, Hospital Universitari Son Dureta, C/Andrea Doria 55, 07014 Palma de Mallorca, Spain. antonia.barcelo@ssib.es
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MeSH Terms
Descriptor/Qualifier:
Adult
Blood Glucose / metabolism
Body Mass Index
Case-Control Studies
Cholesterol / blood
Cholesterol, HDL / blood
Diabetes Mellitus / blood,  epidemiology
Fatty Acids, Nonesterified / blood*
Female
Humans
Hypertension / blood,  epidemiology
Male
Metabolic Syndrome X / blood*
Middle Aged
Prevalence
Sleep Apnea, Obstructive / blood*
Smoking / blood,  epidemiology
Triglycerides / blood
Waist Circumference
gamma-Glutamyltransferase / blood
Chemical
Reg. No./Substance:
0/Blood Glucose; 0/Cholesterol, HDL; 0/Fatty Acids, Nonesterified; 0/Triglycerides; 57-88-5/Cholesterol; EC 2.3.2.2/gamma-Glutamyltransferase

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