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The Bonebridge active bone conduction system: a fast and safe technique for a middle fossa approach

  • C Carnevale (a1), M Tomás-Barberán (a1), G Til-Pérez (a1) and P Sarría-Echegaray (a1)
Abstract
Background

The transmastoid pre-sigmoid approach is always the preferred choice for implantation of the Bonebridge active bone conduction system in patients with a normal anatomy. When an anatomical variant exists or a previous surgery has been performed, a retrosigmoid approach or middle fossa approach can be performed.

Methods

The preferred surgical technique for a middle fossa approach is described. A 14 mm drill head (Neuro Drill) was used to create the bed at the squamous portion of the temporal bone. Surgical time and complication rate were analysed.

Results

The surgical time was shorter than 30 minutes in all cases, and only 14 seconds were needed to create a 14 mm bone bed. No complications were observed during the follow-up period (6–45 months).

Conclusion

Use of the Neuro Drill for the middle fossa approach is an easy technique. It significantly decreases the surgical time, without increasing the complication rate.

Copyright
Corresponding author
Author for correspondence: Dr Guillermo Til-Pérez, Carretera de Valldemosa, 79. 07210 Servicio ORL, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain E-mail: guillermotil@orlmallorca.com Fax: +34 971 176 745
Footnotes
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Dr G Til-Pérez takes responsibility for the integrity of the content of the paper

Footnotes
References
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1Zernotti, ME, Sarasty, AB. Active bone conduction prosthesis: Bonebridge(TM). Int Arch Otorhinolaryngol 2015;19:343–8
2Sprinzl, G, Lenarz, T, Ernst, A, Hagen, R. First European multicenter results with a new transcutaneous bone conduction hearing implant system: short-term safety and efficacy. Otol Neurotol 2013;34:1076–83
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4Sprinzl, GM, Wolf-Magele, A. The Bonebridge bone conduction hearing implant: indication criteria, surgery and a systematic review of the literature. Clin Otolaryngol 2016;41:131–43
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7Law, EK, Bhatia, KS, Tsang, WS, Tong, MC, Shi, L. CT pre-operative planning of a new semi-implantable bone conduction hearing device. Eur Radiol 2016;26:1686–95
8Barbara, M, Perotti, M, Gioia, B, Volpini, L, Monini, S. Transcutaneous bone-conduction hearing device: audiological and surgical aspects in a first series of patients with mixed hearing loss. Acta Otolaryngol 2013;133:1058–64
9Zernotti, ME, di Gregorio, MF, Galeazzi, P, Tabernero, P. Comparative outcomes of active and passive hearing devices by transcutaneous bone conduction. Acta Otolaryngol 2016;136:556–8
10Lassaletta, L, Sanchez-Cuadrado, I, Muñoz, E, Gavilan, J. Retrosigmoid implantation of an active bone conduction stimulator in a patient with chronic otitis media. Auris Nasus Larynx 2014;41:84–7
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  • EISSN: 1748-5460
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