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Inicio Acta Otorrinolaringológica Española Primary myringoplasties. Results after a 2 year follow-up period
Journal Information
Vol. 60. Issue 2.
Pages 79-83 (January 2009)
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Vol. 60. Issue 2.
Pages 79-83 (January 2009)
Primary myringoplasties. Results after a 2 year follow-up period
Miringoplastias primarias. Resultados a los 2 años de seguimiento
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Tomás Labatut Pesce
Corresponding author
labatut@gmail.com

Corresponding author.
, Cristina Sierra Grañon, Elena Mora Rivas, Ignacio Cobeta Marco
Servicio de Otorrinolaringología, Hospital Universitario Ramón y Cajal, Madrid, Spain
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Abstract
Introduction and goals

The goals of myringoplasty are closure of the perforation in the tympanic membrane and improvement in hearing levels, with varying results in the published literature. Our aim was to determine the results of this procedure at our centre and compare them with the literature.

Methods

Retrospective analysis of 217 primary myringoplasties carried out in the Otorhinolaryngology Department of the Hospital Universitario Ramón y Cajal between 1998 and 2003, describing the characteristics of the perforations, surgical technique, and post-operative results (perforation closure and hearing improvement).

Results

The majority were adults with perforations secondary to recurrent middle ear infections (91%). Most were less than sub-total (64%) and did not involve the tympanic annulus (79%). Grafts were inserted using lateral (45%), mixed (29%), and medial (26%) techniques, using retroauricular (66%) and endaural (34%) approaches. Temporal muscle fascia was the graft most frequently used (87%). Perforation closure was achieved in between 78% and 91% of cases throughout the 24-month follow-up period, with an overall closure value of 78% after 2 years of follow-up. Hearing improvement, established as an air bone gap difference of less than 20 dB, was seen in proximately 56% of cases.

Conclusions

At our centre, myringoplasty achieves anatomical (78%) and functional (56%) success comparable to the results described in the literature. We consider medium-term followup to be of the utmost importance because of reperforation phenomena, which may occur as much as 2 years or more after surgery.

Keywords:
Myringoplasty
Tympanic membrane
Perforation
Outcomes
Follow-up
Resumen
Introducción y objetivos

La miringoplastia tiene como finalidad el cierre de la perforación timpánica y mejorar la audición, con resultados variables en la literatura. Nuestro objetivo fue saber cuál es la realidad de esta cirugía en nuestro centro y compararla con la publicada.

Métodos

Análisis retrospectivo de 217 miringoplastias primarias efectuadas en el Servicio de Otorrinolaringología del Hospital Universitario Ramón y Cajal entre los años 1998 y 2003, con descripción de las características de perforación, técnica quirúrgica y resultados postoperatorios (cierre de la perforación y mejoría de la audición).

Resultados

En su mayoría eran adultos y la etiología principal fue la secuela otorreica (91%). Predominaron perforaciones menores a subtotal en tamaño (64%) que no afectaban al anillo timpánico (79%). La técnica de colocación del injerto respecto al resto timpánico fue lateral (45%), mixta (29%) y medial (26%); se utilizó el abordaje retroauricular (66%) y endoaural (34%). La fascia de músculo temporal fue el injerto más utilizado (87%). El cierre de la perforación se consiguió entre un 78 y un 91% de los casos a lo largo de los 24 meses de seguimiento, con un valor final del 78% a los 2 años de seguimiento. La mejora de la audición, reflejada como un umbral diferencial audiométrico menor de 20 dB, se observó en aproximadamente el 56% de los casos.

Conclusiones

La miringoplastia en nuestro centro alcanza cifras de éxito anatómico (78%) y funcional (56%) comparables con las de la literatura. Consideramos fundamental el seguimiento a medio plazo de los pacientes por el fenómeno de reperforación, que puede ocurrir hasta pasados 2 años o más.

Palabras clave:
Miringoplastia
Membrana timpánica
Perforación
Resultados
Seguimiento

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