Extrusion rates and hearing results in ossicular reconstruction

Objectives: To examine hearing results, extrusion rates, and factors likely to affect outcome in patients who underwent ossicular chain reconstruction with Plasti-Pore and hydroxylapatite total ossicular replacement prostheses (TORPs) and partial ossicular replacement prosthesis (PORPs). Study Desig...

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Bibliographic Details
Published in:Otolaryngology-head and neck surgery 2001-09, Vol.125 (3), p.135-141
Main Authors: House, John W., Teufert, Karen Borne
Format: Article
Language:English
Subjects:
Adult
Audiometry, Pure-Tone
Biocompatible Materials
Bone Conduction
Durapatite
Humans
Middle Aged
Ossicular Prosthesis
Ossicular Replacement
Polyethylenes
Prosthesis Design
Reoperation
Retrospective Studies
Treatment Outcome
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Summary:Objectives: To examine hearing results, extrusion rates, and factors likely to affect outcome in patients who underwent ossicular chain reconstruction with Plasti-Pore and hydroxylapatite total ossicular replacement prostheses (TORPs) and partial ossicular replacement prosthesis (PORPs). Study Design and Setting: Retrospective chart review was used. Subjects were 1210 consecutive tympanoplasties with or without mastoidectomy that involved ossicular reconstruction with TORPs (n = 560) or PORPs (n = 650) performed in a tertiary referral neurotologic private practice. Only 20% of the cases were primary surgeries, with the majority planned second stage or revision procedures. Results: Average last postoperative air-bone gap (ABG) was 19.2 dB with closure of the ABG to within 20 dB in 62.9%. Hearing results were better for cases who had not had previous surgery, in those with a diagnosis other than chronic otitis media, when a cartilage graft was used, and for Plasti-Pore rather than hydroxylapatite. Extrusion was known to occur in 4%. Conclusion: After more than 25 years of use in our clinic, Plasti-Pore ossicular replacement prostheses continue to provide reliable hearing results with a low rate of extrusion. (Otolaryngol Head Neck Surg 2001;125:135-41.)
ISSN:0194-5998
1097-6817
DOI:10.1067/mhn.2001.117163