Otosclerosis. Diseases of middle ear and mastoid
Conditions
Interventions
Intervention 1: Intervention group1 : stapedotomy using 0.4 mm diameter teflon piston prosthesis. Intervention 2: Intervention group2 : stapedotomy using 0.6 mm diameter teflon piston prosthesis.
Sponsors
Mashhad University of Medical Sciences
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: History of progressive hearing loss and tinnitus Normal otoscopic findings Conductive hearing loss more than 20 db at 0.5-4 KHz frequencies and absence of acoustic reflex in audiometry Negative rhinne test by 512-Hz fork
Exclusion criteria
Exclusion criteria: History of ipsilateral stapes surgery Medical disease causing tinnitus Use of drugs causing tinnitus History of ipsilateal ear trauma History of ipsilateral chronic otitis media Otosclerosis with malleus fixation Congenital stapes fixation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tinnitus severity based on tinnitus handicap inventory questionnaire. Timepoint: Assessment of tinnitus severity before and 3 months after stapedotomy. Method of measurement: tinnitus handicap inventory questionnaire. | — |
Secondary
| Measure | Time frame |
|---|---|
| Inprovement of conductive hearing loss. Timepoint: Before and 3 months after stapedotomy. Method of measurement: Pure tone audiometry. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactImaneh Roshan Zamir
Mashhad University of Medical Sciences
Outcome results
None listed