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Observation of Gas Exchange in the Middle Ear

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified November 2008 by Shaare Zedek Medical Center.
Recruitment status was:  Not yet recruiting
Information provided by:
Shaare Zedek Medical Center Identifier:
First received: November 18, 2008
Last updated: NA
Last verified: November 2008
History: No changes posted

Observation of fluid behavior over a perforated eardrum.

A comparison of the behavior of the gas in normal vs. different kinds of otitis media ears.

Normal Middle Ears. Otitis Media Ears.

Study Type: Observational
Study Design: Observational Model: Case Control
Time Perspective: Prospective

Resource links provided by NLM:

Further study details as provided by Shaare Zedek Medical Center:

Primary Outcome Measures:
  • Creation of air bubbles. [ Time Frame: one year. ]

Study Start Date: November 2008
Normal ears
Otitis media ears.

Detailed Description:

Fluid present in middle ears is observed during the regular treatment of patients.

The observation in made during the treatment and not as an additional activity. The fluid is either a steroids solution or sterile normal saline or ear's mucus discharge, all in perforated eardrums, either as a part of their intra-tympanic treatment for sudden hearing loss, or traumatic perforation [considered as the normal ears] compared to otitis media ears.

The observation is made on bubble formation over the perforation. The time length of the inspection is about 1 minute, under the microscope, during the treatment.


Ages Eligible for Study:   8 Years to 80 Years   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patients treated as a routine treatment in the outpatient or patients admitted for treatment of sudden hearing loss.

Inclusion Criteria:

  • Patients having perforated eardrum.

Exclusion Criteria:

  • Non cooperative patients.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00794105

Contact: David Cohen, MD + 972 50 8685888

Otolaryngology Dept., Shaare Zedek Medical Center
Jerusalem, Israel, 91031
Sponsors and Collaborators
Shaare Zedek Medical Center
  More Information

Responsible Party: David Cohen, MD, Shaare Zedek Medical Center Identifier: NCT00794105     History of Changes
Other Study ID Numbers: cohenmed.CTIL
Study First Received: November 18, 2008
Last Updated: November 18, 2008

Keywords provided by Shaare Zedek Medical Center:
Middle ear

Additional relevant MeSH terms:
Otitis Media
Ear Diseases
Otorhinolaryngologic Diseases processed this record on September 21, 2017