title: [The evaluation of eustachian tube function in patients suffered from SOM with C type curve].
abstract: OBJECTIVE
  To explore eustachian tube (ET) function in patients suffered from SOM with C type curve.
  
  
  METHODS
  To test the tympanogram following toynbee test and valsalva manoeuvre respectively. The shift of peak point was quantified and the results were compared with normal subjects.
  
  
  RESULTS
  ET dysfunction was found in 52.38% of the patients, it was observed in 30% of the normal subjects (P < 0.05).
  
  
  CONCLUSIONS
  ET dysfunction is one of the causes of SOM with C type curve, but not the only cause.
authors.affiliation: Department of Otolaryngology, Tongji Hospital, Tongji Medical University, Wuhan 430030.
authors.forename: H T
authors.initials: HT
authors.lastname: Zhen
authors.forename: C F
authors.initials: CF
authors.lastname: Wang
authors.forename: Y H
authors.initials: YH
authors.lastname: Cui
authors.forename: Q X
authors.initials: QX
authors.lastname: Gao
authors.forename: X
authors.initials: X
authors.lastname: Ge
mesh_terms: D000158:Acoustic Impedance Tests; D000293:Adolescent; D000328:Adult; D005064:Eustachian Tube / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010034:Otitis Media with Effusion / Q000209:etiology / Q000503:physiopathology*