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EnglishOBJECTIVE: Piezosurgery is an ultrasound instrument (24.7-29.5 kHz) capable of cutting bone without necrosis and nonmineralized tissue damage. The aim of this work has been to determine the time required for a well-trained surgeon to perform otological surgery with the piezoelectric device. STUDY DESIGN: Case series with planned data collection. Sixty-three patients affected by otosclerosis and 63 by chronic otitis media were enrolled. For each disease, patients were divided into three numerically equal groups, with each group assigned to a well-trained otological surgeon. Patients underwent stapedotomy (n = 63) and intact canal wall tympanoplasty (n = 63) with the piezoelectric device. SETTING: ENT Department, University of Genoa (Italy). SUBJECTS AND METHODS: We recorded "skin-to-skin" operation time, surgical success, surgical complication, and hospital stay duration. Before and one year after surgery, all patients underwent pure-tone audiometry, tympanometry, recording of transient-evoked otoacoustic emission, recording of distortion product otoacoustic emission, auditory brainstem response, and electronystamographic recording. RESULTS: In each surgical technique, the piezoelectric device provided excellent control without side effects on the adjacent structures of the middle and inner ear. CONCLUSION: The piezoelectric device is a new bony scalpel that uses microvibrations at ultrasonic frequency so that soft tissue (nerve, vessel, dura mater, etc) will not be damaged even on accidental contact with the cutting tip. A feature of the piezoelectric device is its good manageability, which makes it easy for a well-trained otological surgeon to create a straight osteotomy line without any learning period: this renders the piezoelectric device suitable for bone surgery.
Learning curve for Piezosurgery in well-trained otological surgeons / Salami A; Mora R; Mora F; Guastini L; Salzano FA; Dellepiane M. - In: OTOLARYNGOLOGY-HEAD AND NECK SURGERY. - ISSN 0194-5998. - STAMPA. - 142(1)(2010), pp. 120-125.
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| Titolo: | Learning curve for Piezosurgery in well-trained otological surgeons |
| Autori: | |
| Data di pubblicazione: | 2010 |
| Rivista: | |
| Citazione: | Learning curve for Piezosurgery in well-trained otological surgeons / Salami A; Mora R; Mora F; Guastini L; Salzano FA; Dellepiane M. - In: OTOLARYNGOLOGY-HEAD AND NECK SURGERY. - ISSN 0194-5998. - STAMPA. - 142(1)(2010), pp. 120-125. |
| Handle: | http://hdl.handle.net/11567/317475 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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