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Original Article
Dec 2011

Total Ossiculoplasty in Children: Predictive Factors and Long-term Follow-up

Author Affiliations

Author Affiliations: University Pierre et Marie Curie, University Paris 6 (Drs Nevoux, Moya-Plana, Denoyelle, and Garabedian), Institut National de la Sante et de la Recherche Medicale U587, Pasteur Institute (Drs Denoyelle, and Garabedian), Department of Otolaryngology–Head and Neck Surgery, Armand-Trousseau Children's Hospital (Drs Nevoux, Moya-Plana, Denoyelle, and Garabedian), and Department of Public Health, Saint Antoine Hospital (Dr Chauvin), Assistance Publique–Hôpitaux de Paris, and Institut National de la Sante et de la Recherche Medicale, Unité Mixte de Recherche en Santé 707 (Dr Chauvin), Paris, France.

Arch Otolaryngol Head Neck Surg. 2011;137(12):1240-1246. doi:10.1001/archoto.2011.204
Abstract

Objective To evaluate the long-term results and predictive factors of a good outcome with the use of a total ossicular replacement prosthesis in children.

Design Retrospective case review.

Setting Tertiary referral center.

Patients The study included 114 children (116 ears).

Interventions A total of 116 ears underwent total ossicular chain reconstruction with a titanium prosthesis. Cartilage was always used for tympanic membrane reconstruction.

Main Outcome Measures Audiological results were evaluated according to the guidelines of the American Academy of Otolaryngology–Head and Neck Surgery. Predictive factors of audiological results were determined. Logistic regression and χ2 tests were used for statistical analysis.

Results The mean age at surgery was 9.8 years. Ossiculoplasty was performed during second-look surgery in 91 ears (78.4%) and during another stage in 25 ears (21.6%). The first-stage procedure was always performed for cholesteatoma. Audiometric results were available for 116 ears at 1 year, for 89 ears (76.7%) at 2 years, and for 42 ears (36.2%) at 5 years. Closure of the average air-bone gap (ABG) to within 20 dB was achieved in 65 ears (56%) at 1 year. The mean (SD) preoperative and postoperative (at 1 year) ABGs were 41.0 (9.5) dB and 22.4 (12.6) dB, respectively. There were no cases of extrusion, but 17 luxations of the prosthesis were confirmed by computed tomography. Luxation occurred on average at 31.4 months. Only three 4000-Hz degradations of bone conduction were reported, with no dead ears. We examined 3 predictive factors of auditory results: preoperative ABG, footplate status, and postoperative otoscopic findings.

Conclusions Total ossiculoplasty is a reliable technique in children. Long-term hearing outcomes are stable and satisfactory, but luxation can occur at any time. Preoperative ABG and footplate status are negative predictive factors of auditory results.

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