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Published on: May 23, 2021
Long-term results of tympanic membrane repair
1Department of Otolaryngology, Saint Michael's Hospital, Toronto, Ontario, Canada.
Insights
Long-term tympanic membrane repair shows 81% perforation closure at 11 years, with 74% normal healing. Younger children and anterior perforations had poorer outcomes, but temporalis fascia grafts proved superior.
Area of Science:
- Otolaryngology
- Surgical Outcomes Research
- Biostatistics
Background:
- Tympanic membrane perforations can impair hearing and lead to recurrent infections.
- Surgical repair aims to restore tympanic membrane integrity and function.
- Long-term data on surgical success rates and influencing factors are crucial for clinical practice.
Purpose of the Study:
- To evaluate the long-term efficacy of tympanic membrane repair.
- To identify factors influencing successful tympanic membrane closure and healing.
- To compare graft materials for anterior perforations.
Main Methods:
- Survival life table analysis of 605 patients undergoing tympanic membrane repair between 1970-1975.
- Comparison of autologous temporalis fascia versus homograft dura for anterior perforations (1982-1984).
- Assessment of outcomes including perforation closure and normal tympanic membrane healing.
Main Results:
- At 11 years, 81% of perforations showed closure, with 74% achieving normal tympanic membrane healing.
- Children under 10 and those with anterior perforations exhibited lower success rates.
- Autologous temporalis fascia demonstrated superiority over homograft dura for anterior perforations.
- Revision operations offered a 60% chance of perforation closure.
Conclusions:
- Tympanic membrane repair demonstrates durable long-term success, though outcomes vary with patient age and perforation location.
- Autologous temporalis fascia is a preferred graft material for anterior tympanic membrane perforations.
- Revision surgery can be effective in cases of initial repair failure.
Abstract:
Long-term results of tympanic membrane repair were analyzed in 605 patients operated upon from 1970 to 1975. By survival life table analysis, 81% closure of perforations was found at 11 years, and only 74% of patients had normally healed tympanic membranes. Children less than 10 years of age and with anterior perforations healed more poorly. A second group of patients--all with anterior perforations operated upon from 1982 to 1984-showed autologous temporalis fascia to be superior to homograft dura as the graft material. Analysis of results also showed a 60% chance of perforation closure at revision operation. These results are believed to represent an accurate and realistic assessment of tympanic membrane repair by use of survival life table analysis.
