Ceravital Revisited: Lessons to be Learned

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Abstract
To report the long-term results in a series of ossiculoplasties using Ceravital prostheses. Retrospective case review. District general hospital. Ossiculoplasties using Ceravital prostheses were performed in 25 patients with a mean age of 39 years. Cholesteatoma was present in 9 cases and absent in 16 cases before surgery. The reconstruction was single stage in 23 cases and second stage in 2 cases. Hearing gain and prosthesis-related complications. The mean length of follow-up was 6 years 6 months. In the short term, the mean air-bone gap improved from 43 dB preoperatively to 24 dB 6 months postoperatively. In the long term, the results were as follows: good in 4 cases, absorption of the prosthesis in 9 cases, slippage of the prosthesis in 4 cases, extrusion of the prosthesis in 3 cases, atelectasis of the tympanic membrane in 2 cases, and unknown in 3 cases. The mean time for complications to become apparent was 6 years 4 months for absorption, 3 years 3 months for extrusion, 7 months for slippage, and 1 year 9 months for atelectasis. Revision surgery was performed on 11 of the 18 cases in which the results were poor. Ceravital prostheses highlight the potential complication of absorption of ossicular prostheses. Absorption takes much longer to become apparent than other complications such as extrusion, slippage, or atelectasis. The much higher rate of absorption in this series than in previous series with shorter follow-up times suggests that the rate of absorption increases significantly over time.