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Comparing audiometric parameters between crushed and intact cartilage tympanoplasty: a double-blinded, randomised,
A Tajdini1, N Hatami1, B Rahmaty1
1Department of Otorhinolaryngology, Tehran University of Medical Sciences, Amir Alam Hospital, Tehran, Iran.
The Journal of Laryngology and Otology
|December 4, 2020
Summary
Crushed cartilage tympanoplasty did not significantly improve hearing outcomes compared to traditional cartilage grafts. This study found no statistical difference in hearing results between the two techniques for tympanic membrane perforation repair.
Area of Science:
- Otolaryngology
- Regenerative Medicine
Background:
- Tympanoplasty is a surgical procedure to repair a perforated tympanic membrane.
- Cartilage grafts are commonly used, but techniques vary.
Purpose of the Study:
- To compare hearing outcomes and graft take rates of crushed cartilage versus intact cartilage grafts in tympanoplasty.
- To evaluate the efficacy of crushed cartilage grafts in tympanic membrane reconstruction.
Main Methods:
- A double-blinded, randomized controlled trial involving 46 patients with tympanic membrane perforation.
- Conchal cartilage grafts were used; the intervention group received crushed cartilage, while the control group received intact cartilage.
- Hearing results and graft success were assessed over a one-year follow-up period.
Main Results:
- 36 patients completed the one-year follow-up (20 intervention, 16 control).
- No statistically significant differences were observed between groups in mean air-bone gap, bone conduction threshold, speech discrimination score, or speech reception threshold.
Conclusions:
- While crushing cartilage may alter graft rigidity and volume, it does not appear to enhance hearing results in tympanoplasty.
- Further research may be needed to explore alternative graft modifications or techniques for improved hearing outcomes.

