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Revista de otorrinolaringología y cirugía de cabeza y cuello

versión On-line ISSN 0718-4816

Resumen

STOTT C, Carlos; ORTEGA F, Gonzalo; BRAVO C, Gustavo  y  DELANO R, Paul H. Cholesteatoma surgery and audition. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2013, vol.73, n.3, pp.243-248. ISSN 0718-4816.  http://dx.doi.org/10.4067/S0718-48162013000300006.

Introduction: The cholesteatoma is a clinical entity that presents mostly in middle ages. The definitive treatment is surgery; which aims to eradicate the disease, while maintaining or improving hearing thresholds is a secondary goal. Several surgical techniques have been described, being the tympanomastoidectomy with or without preservation of the postero-superior wall of the external auditory canal the most commonly used. Aim: To characterize the population that underwent surgical treatment forcholesteatoma in the Clinical Hospital of the University of Chile and to determine the post-surgical hearing thresholds changes. Methods: Retrospective and descriptive study of the surgical procedures carried out between the years 2007 and 2012. Individual data, pre and post-surgical treatment audiometric values and types of surgery are registered and analyzed. Results: 143 patients were included with a 41 year age average, 56% were males. 54,4% of surgeries were tympanomastoidectomy; 21,6% atticotomy; 16,7% tympanomastoidectomy with type IIIA tympanoplasty and 6,7% tympanomastoidectomy with type IIIB tympanoplasty. Hearing thresholds were maintained in atticotomy, tympanomastoidectomy and tympanomastoidectomy with type IIIB tympanoplasty, while hearing thresholds improved in the tympanomastoidectomy with type IIIA tympanoplasty reconstruction. Conclusion: The most used technique for cholesteatoma treatment in the Clinical Hospital of the University of Chile was tympanomastoidectomy with or without preservation of the posterosuperior wall of the external ear canal. Patients who had a type IIIA tympanoplastyimproved their hearing thresholds.

Palabras clave : Cholesteatoma; hearing thresholds; audition; atticotomy; tympanomastoidectomy; tympanoplasty.

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