Multifrequency multicomponent tympanometry in normal and otosclerotic ears

摘要: A multifrequency multicomponent admittance meter was used to evaluate 70 ears of patients affected by fenestral otosclerosis (Os ears), monolateral (16 cases) or bilateral (27 cases). The 16 contralateral the with who presented a pure-tone air-bone gap less than 10 dB were evaluated separately (Cos ears). group 48 belonging 24 otologically normal subjects (N hearing thresholds better equal HL in frequencies between 250 and 8000 Hz served as control group. purpose study acoustic characteristics three groups ears, particular regard parameters represented resonance frequency (RF), conductance value (G) at RF individual interaural differences these two N Cos groups. degree which can influence variations correlation conductive l...