title: Comparison of hearing results following the use of NiTiBOND versus Nitinol prostheses in stapes surgery: a retrospective controlled study reporting short-term postoperative results.
abstract: The aim of this retrospective study was to compare the 3-month postoperative hearing results following laser stapedotomy with the use of NiTiBOND versus Nitinol prostheses (31 and 39 patients, respectively). The operations were performed between September 2012 and September 2014, and between March 2006 and December 2012 regarding NiTiBOND and Nitinol, respectively. Twenty of the consecutive 31 patients were female and 11 were male for NiTiBOND, while 11 were male and 28 were female for Nitinol. The mean age was 43.8 years (range 22-61) and 46.9 years (range 28-83) for NiTiBOND and Nitinol, respectively. No significant cochlear trauma was documented postoperatively. The mean air-bone gap (ABG) for the frequencies 0.5, 1, 2 and 3 kHz at the 3-month postoperative follow-up was 7.6 dB (SD 4.7), and 9.3 dB (SD 4.1) for NiTiBOND and Nitinol, respectively. The differences between the mean pre- (p = 0.179), and postoperative (p = 0.059) ABG of the two groups were not significant. ABG closure within 10 dB was achieved in 77.4 and 59 % for NiTiBOND and Nitinol, respectively, the difference was not significant (p = 0.10). Two cases of delayed facial paralysis occurred, 1 with Nitinol and 1 with the NiTiBOND. All patients attained an ABG <20 dB following surgery. Laser stapedotomy with the application of either heat-memory piston prosthesis allowed an easy and minimally invasive approach with excellent short-term hearing results when the NiTiBOND prosthesis was applied. Laser application allowed manipulation in a bloodless environment and avoided manual crimping of the incus.
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Clinical Center, Medical School, University of Pécs, Munkácsy M. utca 2, Pécs, 7621, Hungary. revesz.peter@yahoo.com.
authors.forename: Péter
authors.initials: P
authors.lastname: Révész
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Clinical Center, Medical School, University of Pécs, Munkácsy M. utca 2, Pécs, 7621, Hungary.
authors.forename: István
authors.initials: I
authors.lastname: Szanyi
authors.affiliation: Department of Paediatric Otorhinolaryngology, Clinical Center, University of Pécs, Pécs, Hungary.
authors.forename: Gábor
authors.initials: G
authors.lastname: Ráth
authors.affiliation: Department of Anaesthesiology and Intensive Therapy, Clinical Center, University of Pécs, Pécs, Hungary.
authors.forename: Tímea
authors.initials: T
authors.lastname: Bocskai
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Clinical Center, Medical School, University of Pécs, Munkácsy M. utca 2, Pécs, 7621, Hungary.
authors.forename: László
authors.initials: L
authors.lastname: Lujber
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Clinical Center, Medical School, University of Pécs, Munkácsy M. utca 2, Pécs, 7621, Hungary.
authors.forename: Zalán
authors.initials: Z
authors.lastname: Piski
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, B-A-Z County Hospital, Miskolc, Hungary.
authors.forename: Tamás
authors.initials: T
authors.lastname: Karosi
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Clinical Center, Medical School, University of Pécs, Munkácsy M. utca 2, Pécs, 7621, Hungary.
authors.forename: Imre
authors.initials: I
authors.lastname: Gerlinger
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000497:Alloys; D005260:Female; D034381:Hearing Loss / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009998:Ossicular Prosthesis; D011474:Prosthesis Design; D019919:Prosthesis Implantation; D012189:Retrospective Studies; D013201:Stapes Surgery / Q000295:instrumentation* / Q000379:methods; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D000497:Alloys; C013616:nitinol
keywords: KTP laser; NiTiBOND piston; SMart Nitinol Piston; Short-term results; Stapedotomy