Increased sympathetic and decreased parasympathetic cardiac tone in patients with sleep related alveolar hypoventilation
Keywords: 
Autonomic nervous system
Heart rate variability
Hypoxia
Obesity hipoventilation syndrome
Sleep apnea
Sleep disordered breathing
Issue Date: 
2013
Publisher: 
Sleep Research Society
ISSN: 
0161-8105
Citation: 
Palma JA, Urrestarazu E, López-Azcárate J, Alegre M, Fernández S, Artieda J, et al. Increased sympathetic and decreased parasympathetic cardiac tone in patients with sleep related alveolar hypoventilation. Sleep 2013 June 1;36(6):933–940.
Abstract
Patients with SRAH exhibited an abnormal cardiac tone during sleep. This fact appears to be related to the severity of nocturnal oxygen desaturation. Moreover, there were no differences between OSA and SRAH, supporting the hypothesis that autonomic changes in OSA are primarily related to a reduced nocturnal oxygen saturation, rather than a consequence of other factors such as nocturnal respiratory events

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