ossification Otosclerosis
Conditions
Interventions
Stapes surgery, with and without a vein graft beneath the prosthesis.
Sponsors
Universitair Medisch Centrum Utrecht
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: -Age >= 18 years -Otosclerosis, diagnosed by an ear, nose and throat specialist in Utrecht or Hannover -Primary otosclerosis -Mean ABG >20 dB based on the ABG values at 0.5, 1, 2, and 4 kHz -Willingness and ability to participate in all scheduled procedures -General health allowing general anaesthesia for the potential stapes surgery
Exclusion criteria
Exclusion criteria: -Age
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome will be postoperative hearing improvement in terms of the average ABG closure 12 months after surgery. | — |
Secondary
| Measure | Time frame |
|---|---|
| -Postoperative average air-bone gap closure (dB), after 3 and 6 months. -Bone conduction thresholds at 0.5, 1, 2, 3 and 4 kHz, after 3, 6 and 12 months. -Air conduction thresholds at 0.5, 1, 2, 3 and 4 kHz, after 3, 6 and 12 months. -Air bone gap at 0.5, 1, 2, 3 and 4 kHz, after 3, 6 and 12 months. -Postoperative complications, after 3, 6 and 12 months: -Tinnitus -Vertigo -Dizziness -Postoperative sensorineural hearing loss (cochlear damage) -*Dead ear* (total deafness after surgery) -Subjective patient*s perception, after 3, 6 and 12 months. -Quality of Life, after 3, 6 and 12 months. -Spending/costs-log, after 3, 6 and 12 months. | — |
Countries
Netherlands
Outcome results
None listed