Title
<tex>$_CO_{2}$</tex> laser-assisted stapedotomy combined with àWengen titanium clip stapes prosthesis : superior short-term results<tex>$_CO_{2}$</tex> laser-assisted stapedotomy combined with àWengen titanium clip stapes prosthesis : superior short-term results
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Biophysics and Biomedical Physics
Faculteit Geneeskunde
Publication type
article
Publication
Philadelphia, Pa.,
Subject
Human medicine
Source (journal)
Otology and neurotology
Otology and neurotology. - Philadelphia, Pa.
Volume/pages
30(2009):8, p. 1071-1078
ISSN
1531-7129
ISI
000276927300009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Objective: To report on the short-term results of CO2-laser assisted stapedotomy combined with the àWengen titanium clip stapes prosthesis. A comparison with published series using other prostheses and/or different stapedotomy techniques is made. Study Design: Retrospective case series. Patients: Patients with a history and audiologic data matching stapes fixation and computed tomographic imaging excluding other anomalies such as malleus fixation, dehiscent superior semicircular canal, and large vestibular aqueduct that may mimic stapes fixation-like hearing loss. Intervention: All patients underwent CO2 laser-assisted stapedotomy (Lumenis Co. Israel CO2 laser, Acuspot 712, SurgiTouch 870 scanner) and subsequent reconstruction by means of the àWengen titanium clip stapes prosthesis by Heinz Kurz Medizintechnik GmbH (Germany). Outcome Measures: Comparison and statistical analysis of preoperative and postoperative audiologic data. Results: Sixty-two stapedotomies were performed (61 patients) using the CO2 laser and àWengen titanium clip stapes prosthesis. The mean postoperative air-bone gap 3 months postoperatively was 5.1 ± 0.5 dB (standard deviation [SD], 4.1 dB; 0.5, 1, 2, 4 kHz). Air-bone gap closure less than or equal to 10 dB was achieved in 54 cases (87%). Air-bone gap closure less than 20 dB was achieved in all cases. The average gain was 27.8 ± 1.5 dB (SD, 12 dB; 0.5, 1, 2, 4 kHz). The average bone-conduction threshold shift or "overclosure" on 2,000 Hz was 13.6 ± 1.3 dB (SD, 10 dB). There was no postoperative perceptive hearing loss exceeding 15 dB on any measured frequency. The Amsterdam Hearing Evaluation Plots have also been used to evaluate our data. These data were statistically analyzed and compare favorably to other published series. Conclusion: The authors conclude that the combination of CO2 laser-assisted stapedotomy and the àWengen titanium clip stapes prosthesis is a combination likely to yield superior results in experienced hands.
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