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Journal Information
Vol. 60. Issue 4.
Pages 227-233 (January 2009)
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Vol. 60. Issue 4.
Pages 227-233 (January 2009)
Considerations on acute otitis externa for its optimized treatment
La aerosolterapia en el tratamiento de la otitis media serosa infantil
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F. Javier García Callejo
Corresponding author
jgarciacall@hotmail.com

Corresponding author.
, Noelia Muñoz Martínez, M. Teresa Achiques, Noemi Cónill Tobías, M. José Montoro Elena, Jaime Marco Algarra
Servicio de ORL, Hospital Clínico Universitario de Valencia, Universidad de Valencia, Valencia, Spain
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Abstract
Introduction and objectives

To evaluate the optimal treatment for diffuse acute otitis externa (DAOE) by means of a new staging system based on clinical and otoscopic findings.

Methods

Monitoring of otitis cases diagnosed at our centre over the last 21 months (n=1026), taking into account those who returned for a second visit, either via the emergency room or with a prior appointment. Staging of otitis externa by degree of obstruction of the external auditory canal (EAC): under 25% (type I, n=174); between 25% and 75% (type II, n=277); over 75% (type III, n=359); total obstruction due to organized oedema (type IV, n=216).

Results

In most cases at an advanced stage, the canal was cleared by aspiration and placement of gauze or cellulose sponges. Topical ear drops were chosen in more than 95% of cases in every group, but anti-inflammatory and systemic antibiotic agents were administered in significantly larger amounts to patients in stages III and IV. Stage IV showed a statistically significant increase in the percentage of second visits. These manoeuvres improved pain, fullness and otorrhea significantly faster in stages I and II.

Conclusions

Staging of otitis allows comparisons of the level of involvement and treatment recommendations: aspiration is advisable in stages II, III, and IV; placement of a wick inside the canal is necessary in stages III and IV. Topical ear drops seem to be needed in every case and systemic antibiotics almost only in stage IV. Acidifying agents and topical glycerine vehicles access the canal better than aqueous solutions and would be the first choice in advanced cases.

Keywords:
Acute otitis externa
Treatment
Topical ear drops
Resumen
Introducción y objetivo

Evaluar el tratamiento idóneo de la otitis externa aguda difusa mediante un nuevo sistema de estadiaje basado en hallazgos clínicos y otoscopia.

Métodos

Seguimiento de los casos de otitis diagnosticados en nuestro centro durante los últimos 21 meses (n=1.026). Recuento del número de pacientes que acudieron a una segunda visita urgente o programada. Estadiaje de la otitis externa si la obstrucción del conducto auditivo externo presentaba obstrucción inferior al 25% (tipo I, n=174), entre el 25-75% (tipo II, n=277), mayor del 75% (tipo III, n=359), u obstrucción completa con edema organizado (tipo IV, n=216).

Resultados

La aspiración y el mechado del conducto se colocaron en mayor número de casos con estadios avanzados. Las gotas óticas se colocaron en más del 95% en todos los grupos pero los antiinflamatorios y antibióticos sistémicos se administraron significativamente en mayor cantidad a pacientes de estadios III y IV. El estadio IV presentó de forma estadísticamente significativa un mayor porcentaje de segundas visitas. Con estas maniobras, el dolor, el taponamiento y la otorrea cedieron significativamente más rápido en los estadios I y II.

Conclusiones

El estadiaje de la otitis externa permite equiparar grados de afectación y recomendar tratamientos: aspiración aconsejable en estadios II, III y IV, mechado siempre en estadios III y IV. Las gotas óticas parecen necesarias en todos los casos y los antibióticos sistémicos casi únicamente en el estadio IV. Los agentes acidificantes y las formas tópicas glicerinadas acceden mejor al conducto que las acuosas y serían de elección en estadios avanzados.

Palabras clave:
Otitis externa aguda
Tratamiento
Gotas óticas

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