New Index for Analysis of Polysomnography, ‘Integrated Area of Desaturation’, Is Associated with High Cardiovascular Risk in Patients with Mild to Moderate Obstructive Sleep Apnea

Respiration ◽  
2009 ◽  
Vol 78 (3) ◽  
pp. 278-284 ◽  
Author(s):  
Kihiro Asano ◽  
Yoshifumi Takata ◽  
Yasuhiro Usui ◽  
Kazuki Shiina ◽  
Yuki Hashimura ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Cardiovascular Risk ◽  
Sleep Apnea ◽  
High Cardiovascular Risk ◽  
Obstructive Sleep

scholarly journals Low Physical Activity Is a Determinant for Elevated Blood Pressure in High Cardiovascular Risk Obstructive Sleep Apnea

2013 ◽  
Vol 59 (8) ◽  
pp. 1218-1227 ◽  
Author(s):  
M. Mendelson ◽  
R. Tamisier ◽  
D. Laplaud ◽  
S. Dias-Domingos ◽  
J.-P. Baguet ◽  
...  
Keyword(s):  
Physical Activity ◽  
Blood Pressure ◽  
Obstructive Sleep Apnea ◽  
Cardiovascular Risk ◽  
Sleep Apnea ◽  
Elevated Blood Pressure ◽  
Elevated Blood ◽  
High Cardiovascular Risk ◽  
Obstructive Sleep

scholarly journals Translational approaches to understanding metabolic dysfunction and cardiovascular consequences of obstructive sleep apnea

2015 ◽  
Vol 309 (7) ◽  
pp. H1101-H1111 ◽  
Author(s):  
Luciano F. Drager ◽  
Vsevolod Y. Polotsky ◽  
Christopher P. O'Donnell ◽  
Sergio L. Cravo ◽  
Geraldo Lorenzi-Filho ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Cardiovascular Risk ◽  
Sleep Apnea ◽  
Animal Models ◽  
Metabolic Dysfunction ◽  
Significant Progress ◽  
Glucose And Lipid Metabolism ◽  
Obstructive Sleep ◽  
Underlying Mechanisms ◽  
Made In

Obstructive sleep apnea (OSA) is known to be independently associated with several cardiovascular diseases including hypertension, myocardial infarction, and stroke. To determine how OSA can increase cardiovascular risk, animal models have been developed to explore the underlying mechanisms and the cellular and end-organ targets of the predominant pathophysiological disturbance in OSA–intermittent hypoxia. Despite several limitations in translating data from animal models to the clinical arena, significant progress has been made in our understanding of how OSA confers increased cardiovascular risk. It is clear now that the hypoxic stress associated with OSA can elicit a broad spectrum of pathological systemic events including sympathetic activation, systemic inflammation, impaired glucose and lipid metabolism, and endothelial dysfunction, among others. This review provides an update of the basic, clinical, and translational advances in our understanding of the metabolic dysfunction and cardiovascular consequences of OSA and highlights the most recent findings and perspectives in the field.

scholarly journals Evaluation of endothelial function and cardiovascular risk in non-obese patients with slight degree of obstructive sleep apnea syndrome

2017 ◽  
Vol 87 (3) ◽  
Author(s):  
Fiorella Devito ◽  
Annapaola Zito ◽  
Silvano Dragonieri ◽  
Pierluigi Carratù ◽  
Vitaliano N. Quaranta ◽  
...  
Keyword(s):  
Obstructive Sleep Apnea ◽  
Cardiovascular Risk ◽  
Sleep Apnea ◽  
Endothelial Function ◽  
Obstructive Sleep Apnea Syndrome ◽  
Sleep Apnea Syndrome ◽  
Intima Media Thickness ◽  
Obese Patients ◽  
Obstructive Sleep ◽  
Apnea Syndrome

Recently, it has been clearly described an independent relationship between obstructive sleep apnea syndrome (OSAS) and cardiovascular risk, with underlying mechanisms also including endothelial dysfunction. We enrolled 32 consecutive non-obese patients (mean age of 39.5±11.5 years), of which 16 with mild OSAS and 16 snoring without OSAS. Mild OSAS is defined by an AHI index between 5 and 15. We have investigated if whether there was a relationship between mild OSAS, endothelial function and carotid intima-media thickness (C-IMT). The population was divided into two groups: Group 1 (16 simple snorer patients with an average age of 39.4±12.1 years) and Group 2 (16 subjects with mild OSAS with an average age of 39.6±11.2 years). Each group underwent cardiovascular investigation including measurement of flow-mediated dilation (FMD) of the brachial artery and C-IMT. Both groups comprised non-obese subjects. Patients with mild OSAS had serum total cholesterol values statistically significantly higher than simple snores patients (178.6±24.9 vs 159.2±25.3; p=0.038). OSAS patients had also a trend towards higher values of maximum C-IMT compared to simple snorer patients (0.70±0.15 vs 0.65±0.16), although below the level of significance. Between the two groups, no difference was found for FMD values. The present results on mild OSAS strengthen the importance of a diagnosis of OSAS as soon as possible, in order to encourage all primary prevention interventions to correct risk factors responsible for disease progression and the occurrence of cardiovascular diseases, not excluding the use of therapies of non-invasive ventilation even in the early stages of the disease.

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