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Audiometric Parameters in Conductive Hearing Loss and Middle Ear Disease

U

University Hospital of North Norway

Status

Unknown

Conditions

Otosclerosis
Tympanic Membrane Perforation

Treatments

Procedure: myringoplasty
Procedure: Stapes surgery

Study type

Observational

Funder types

Other

Identifiers

NCT00222417
SFP-177-04/721170

Details and patient eligibility

About

We study audiometric parameters including Transient Otoacoustic emissions, pure-tone audiometry for air- and bone-conduction, and spondaic speech recognition thresholds for air- and bone conduction in a pre- and postoperative situation in patients due for surgery for tympanic membrane perforations and otosclerosis. The hypotheses are that the precision of the preoperative assessment may be increased, and our knowledge about the effect on the inner ear by middle ear surgery may be increased.

Full description

Consecutive patients 12 years or older due for myringoplasty or stapes surgery at the ENT-department, University hospital of Tromsø, in an approximate time span of one year, have been studied with the following audiometric investigations at the preoperative admission, 2, 6 and 12 months postoperatively: Transient otoacoustic emissions, pure-tone audiometry for air- and bone-conduction, speech audiometry using spondaic recognition for air and bone-conduction. Results will be statistically analysed using the Statistical Package for the Social Sciences, with the unoperated ear (paired organ) serving as controls. The goal is to look at alternative methods for analysing the patients' preoperative hearing in order to increase the precision of clinical decision-making. The secondary goal is to elucidate the effects of middle ear surgery on the inner ear.

Enrollment

44 patients

Sex

All

Ages

12+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Tympanic membrane perforation without chronic secretion or cholesteatoma
  • Suspected otosclerosis

Exclusion criteria

  • Below 12 years of age
  • Patient not consenting to study
  • Perioperative findings suggesting chronic otitis or cholesteatoma
  • Patients not fluent in Norwegian or unable to cooperate in audiometry

Trial design

44 participants in 2 patient groups

Myringoplasty
Description:
Patients subject to myringoplasty for tympanic membrane perforations.
Treatment:
Procedure: myringoplasty
Otosclerosis
Description:
Patients subject to stapes surgery
Treatment:
Procedure: Stapes surgery

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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