title: [The preliminary study of the origin characters of snore in simple snorers].
abstract: OBJECTIVE
  to investigate the origin characters of snore in simple snorers and provide the basis for its treatment.
  
  
  METHODS
  Thirty-two simple snorers diagnosed by polysomnography were induced to sleep by propofol and dexmedetomidine, then we observed the vibration sites, pattern and concomitant collapse of soft tissue in pharyngeal cavity by nasendoscopy.
  
  
  RESULTS
  Thirteen cases showed palatal fluttering only, and 1 case showed vibration of epiglottis only. Six cases showed palatal fluttering with vibration of epiglottis, and 2 cases showed palatal fluttering with vibration of epiglottis and tongue base. Five cases showed palatal fluttering with vibration of pharyngeal lateral wall, and 5 cases showed palatal fluttering with vibration of lateral wall, epiglottis and tongue base together. Palate and pharyngeal lateral wall vibrated strongly and always collapsed with vibrating, but epiglottis and tongue base usually vibrated slightly and seldom collapsed.
  
  
  CONCLUSIONS
  The palatal fluttering is the main source of snoring sounds for most simple snorers, then followed by vibration of palatal and pharyngeal lateral wall together. The site of collapse in pharyngeal cavity is consistent with the main site of vibration.
authors.forename: Huijie
authors.initials: H
authors.lastname: Xu
authors.forename: Hui
authors.initials: H
authors.lastname: Yu
authors.forename: Ruifang
authors.initials: R
authors.lastname: Jia
authors.forename: Zhan
authors.initials: Z
authors.lastname: Gao
authors.forename: Weining
authors.initials: W
authors.lastname: Huang
authors.forename: Hao
authors.initials: H
authors.lastname: Peng
mesh_terms: D004724:Endoscopy; D004825:Epiglottis / Q000503:physiopathology; D006801:Humans; D010159:Palate / Q000503:physiopathology; D010614:Pharynx / Q000503:physiopathology; D017286:Polysomnography; D015742:Propofol; D012890:Sleep; D020181:Sleep Apnea, Obstructive; D012913:Snoring / Q000175:diagnosis*; D014059:Tongue / Q000503:physiopathology
chemical_list: D015742:Propofol