Systematic radiographic evaluation of three potential implantation sites for a semi-implantable bone conduction device in 52 patients after previous mastoid surgery

European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
Bernhard G WeissF Ihler

Abstract

The aim of this study was the evaluation of three localizations for the implantation of a semi-implantable transcutaneous bone conduction device after previous mastoid surgery. This is a retrospective review of electronic datasets of cranial computed tomography studies. The study setting is one tertiary referral center and included 52 consecutive adult patients (60 temporal bones) with a history of mastoid surgery. The intervention was virtual placement of the device with a planning software within the remaining mastoid as well as dorsal of the sigmoid sinus and caudal of the transverse sinus (retrosigmoidal localization) and dorsocranial of the parietomastoid suture and cranial of the transverse sinus (parietal localization). The main outcome measure included dimensions of the bone for the reception of implant and screws, relative localization of dura mater or sinus sigmoideus, distance to the cochlea, thickness of the epicranium and classification of implantation as possible or impossible. Implantation within the remaining mastoid was deemed possible in 35 mastoid bones (58.3%). The best-suited alternative localization was retrosigmoidal in 22 (42.3%) and parietal in 29 patients (55.8%). The mean distance from the implantatio...Continue Reading

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Citations

Mar 2, 2018·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Heinz ArnoldKatrin Reimann
Jul 11, 2018·Clinical Otolaryngology : Official Journal of ENT-UK ; Official Journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·Benjamin LoaderErich Vyskocil
Jul 12, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Piotr H SkarzynskiHenryk Skarzynski
Aug 11, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Jinsong YangShouqin Zhao
Jan 15, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Albert Mudry
May 30, 2019·Audiology & Neuro-otology·Piotr H SkarżyńskiHenryk Skarżyński

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