RT Journal Article
SR Electronic
T1 The strength of genioglossus in the arousal state contributes the airway patency in patients with OSAS
JF European Respiratory Journal
JO Eur Respir J
FD European Respiratory Society
SP P2229
VO 44
IS Suppl 58
A1 Masashi Kanezaki
A1 Akihiro Ogawa
A1 Akitsugu Masaki
YR 2014
UL http://erj.ersjournals.com/content/44/Suppl_58/P2229.abstract
AB [Background] Although it is known that the genioglossus activity during sleep is critical factor for maintenance of airway patency in patients with obstructive sleep apnea syndrome (OSAS), the relationships between the strength of genioglossus (GG) in the arousal state and polysomnographic parameters remain unclear.[Method]Patients with clinical suspicion of OSA were evaluated by polysomnography. The strength of genioglossus was assessed by the anterior projection of the tongue via the maximum voluntary isometric contraction of the GG. The Pearson correlation coefficient was used to determine the relationships between the strength of the GG and polysomnographic findings.[Results] A total of 26 patients (mean age 54 ± 11 years) were evaluated. The strength of the GG was significantly and negatively correlated with the duration of the obstructive apnea and the incident rate of the sleep-stage 2. There was no significant correlations between the strength of the GG and other polysomnographic findings.[Conclusion] The findings of our study suggested the strength of the GG in the awake state contributes the maintenance of airway patency during sleep in patients with OSAS.