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Titanium ossicular chain replacement prostheses: prognostic factors and preliminary functional results.
OBJECTIVE: To assess the efficiency of ossiculoplasty procedures with the Kurz titanium ossicular prosthesis and evaluate prognostic factors for the functional results.
METHODS: Retrospective chart reviews were performed for ossiculoplasty involving Kurz titanium prostheses between 2006 and 2009 in the ENT Head and Neck Department of the hôpital Nord, Marseille, France.
RESULTS: The population studied was 70 patients, with 37 procedures using the partial (PORP) and 33 the total ossicular replacement prosthesis (TORP). Mean follow-up was 9 months. Pre- and postoperative audiological parameters on four frequency averages (0.5, 1, 2, and 3kHz) were compared according to AAO-HNS guidelines. A postoperative air-bone gap (ABG)≤20dB was obtained in 71.43% of the patients (86.49% for PORP, and 54.55% for TORP). The mean change in ABG was 12.45dB in cholesteatomatous otitis versus 13.41dB in non-cholesteatomatous otitis.
CONCLUSION: Increasing the length of the ossicular prosthesis, especially TORP, may improve postoperative functional results.
METHODS: Retrospective chart reviews were performed for ossiculoplasty involving Kurz titanium prostheses between 2006 and 2009 in the ENT Head and Neck Department of the hôpital Nord, Marseille, France.
RESULTS: The population studied was 70 patients, with 37 procedures using the partial (PORP) and 33 the total ossicular replacement prosthesis (TORP). Mean follow-up was 9 months. Pre- and postoperative audiological parameters on four frequency averages (0.5, 1, 2, and 3kHz) were compared according to AAO-HNS guidelines. A postoperative air-bone gap (ABG)≤20dB was obtained in 71.43% of the patients (86.49% for PORP, and 54.55% for TORP). The mean change in ABG was 12.45dB in cholesteatomatous otitis versus 13.41dB in non-cholesteatomatous otitis.
CONCLUSION: Increasing the length of the ossicular prosthesis, especially TORP, may improve postoperative functional results.
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