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Piezosurgery® versus microdrill in intact canal wall mastoidectomy

  • Otology
  • Published:
European Archives of Oto-Rhino-Laryngology Aims and scope Submit manuscript

Abstract

Piezosurgery® is a recently developed system for cutting bone with microvibrations. The objectives of the present study were to report our experience with the piezoelectric device in the intact canal mastoidectomy, and to compare the results with traditional method by means of microdrill. A non-randomized controlled trial was undertaken on 60 intact canal wall mastoidectomy performed using the piezoelectric device (30 patients) or the microdrill (30 patients). Before 1 month and 1 year after surgery, all the patients underwent the following instrumental examinations: otomicroscopic evaluation of the tympanic membrane and external auditory duct, bone conduction threshold audiometry, tympanometry, transient-evoked otoacoustic emissions with linear click emission, distortion product otoacoustic emissions, auditory brainstem response (ABR) by MK 12-ABR screener with natus-ALGO2e (Amplifon, Milan, Italy), and electronystamographic recording. The piezoelectric device is proved to be effective in sclerotic and pneumatic mastoid, with an excellent control and without side effects on the adjacent structures of the middle and inner ear (lateral sinus, facial nerve, and/or dura mater). The operation time has been the same as compared with microdrill, and the average hospital stay was significantly (p < 0.05) shorter. Postoperatively, all patients had uneventful recovery with no evidence of audiovestibular deficit or side effects. Our experience highlights the safety of the piezoelectric device on the anatomic structures of the middle and inner ear, and demonstrates its efficiency in terms of cutting precision and healing process.

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Conflict of interest statement

None of the authors have a financial relationship with any organization that sponsored the research.

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Authors and Affiliations

  1. ENT Department, University of Genoa, Via Dei Mille 11/9, 16147, Genoa, Italy

    Angelo Salami, Renzo Mora, Massimo Dellepiane, Barbara Crippa, Valentina Santomauro & Luca Guastini

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  1. Angelo Salami
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  2. Renzo Mora
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  3. Massimo Dellepiane
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  4. Barbara Crippa
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  5. Valentina Santomauro
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  6. Luca Guastini
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Correspondence to Renzo Mora.

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Salami, A., Mora, R., Dellepiane, M. et al. Piezosurgery® versus microdrill in intact canal wall mastoidectomy. Eur Arch Otorhinolaryngol 267, 1705–1711 (2010). https://doi.org/10.1007/s00405-010-1308-x

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  • DOI: https://doi.org/10.1007/s00405-010-1308-x

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