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Long-Term Hearing Outcomes following Total Ossicular Reconstruction with Titanium Prostheses
C Burton Wood1, Robert Yawn1, Anne Sun Lowery2
11 Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Titanium prostheses significantly improve hearing after ossicular chain reconstruction (OCR). Long-term results show sustained hearing gains and low revision rates, indicating effectiveness for hearing restoration.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomedical Engineering
Background:
- Ossicular chain reconstruction (OCR) is a surgical procedure to restore hearing.
- Titanium prostheses are commonly used in OCR due to their biocompatibility and durability.
Purpose of the Study:
- To characterize a large cohort of patients undergoing total ossicular chain reconstruction with titanium prostheses.
- To analyze the long-term hearing outcomes in this patient cohort.
Main Methods:
- A case series with chart review was conducted at a tertiary care center.
- 153 patients who underwent total OCR with titanium prostheses (TORPs) between 2005 and 2015 were analyzed.
- Hearing outcomes were evaluated by comparing preoperative and 2-year postoperative air-bone gap (ABG).
Main Results:
- The mean preoperative ABG of 36 ± 12 improved to 26 ± 13 at 2-year follow-up (P < .0001).
- 8% of patients required revision OCR, with less than 1% due to prosthesis extrusion.
- Hearing improvements were sustained up to 5 years post-surgery.
Conclusions:
- Titanium prostheses provide significant and sustained hearing improvement after total OCR.
- Revision surgery rates are low, suggesting good long-term prosthesis performance.
- No clear predictors for outcomes following total OCR were identified in this series.
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