PMID: 2126133Dec 1, 1990Paper

Surgical approaches to congenital atresia of the external auditory canal

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
T B Molony, A De la Cruz

Abstract

During the past 4 years, 22 patients with congenital atresia of the external auditory canal underwent 24 initial operations by either an anterior or transmastoid approach. No attempt at randomization was made, but the two groups were similar in number and pathology (in 14 cases approach was anterior and in 10 cases approach was transmastoid). Followup ranged from 6 months to 4 years. Hearing results were similar in the two groups (71% with air-bone gap less than 30 dB). There were no instances of facial nerve injury or sensorineural hearing loss. Facial nerve monitoring was used. Complications of stenosis and drainage were more common with the transmastoid approach. In both groups, hearing results were accomplished with the patients' intact ossicles or prosthetic reconstructions. Meticulous soft-tissue technique, with split-thickness grafts covering all exposed bone, is the key to preventing stenosis. For the three cases of patients with thick, acellular atresia plates, a different approach was developed. Maintaining proper orientation during the medial dissection is more difficult in these cases. By opening the antrum primarily and identifying the lateral canal, ossicles, and facial nerve, an ear canal can then be created ante...Continue Reading

References

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Citations

Nov 27, 2008·Acta Oto-laryngologica·Nadir YildirimFikret Kasapoğlu
Apr 1, 1993·The Laryngoscope·C J Linstrom, L Z Meiteles
Nov 14, 2006·Current Opinion in Otolaryngology & Head and Neck Surgery·Travis T Tollefson
Jun 1, 1997·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Terrence R MurphySteven Cohen
May 1, 1994·The Laryngoscope·S O ChangT Y Koh
Dec 16, 1998·The Laryngoscope·P R Lambert
Aug 12, 2009·The Annals of Otology, Rhinology, and Laryngology·Royce E Clifford, Rick A Rogers
Apr 22, 2004·AJR. American Journal of Roentgenology·Eva Maria GassnerWerner R Jaschke
May 26, 2020·Clinical Imaging·Maha Ibrahim MetwallyMohammad Abd Alkhalik Basha

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