gms | German Medical Science

76th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

04.05. - 08.05.2005, Erfurt

Therapy of bilateral choanalatresia – analysis of the Erlangen patient collective from 1975 - 2001

Meeting Abstract

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Deutsche Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie. 76. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e.V.. Erfurt, 04.-08.05.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc05hno421

The electronic version of this article is the complete one and can be found online at:

Published: September 22, 2005

© 2005 Zenk et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.



Described by Roederer in 1755, choanalatresia is a rare dysplasia with an incidence of 1 per 5000 - 10000 births. 32 patients (22f, 10m) presenting with choanalatresia were operated from 1975-2001. 70% of the patients were refered during the first week postpartum, further 30 % underwenr surgery within the first 4 weeks after birth. In 35% of the patients an isolated choanalatresia was present, 12 % had an additional dysplasia, and further 53% of the patients two or more additional malformations. With 27% according to the definition of Martin et al.a CHARGE-syndrome was diagnosed. Diagnosis was assumed after probing the nasal cavity and confirmed by endoscopy. CT- or MRI scan were not regularly necessary. With the exception of one patient the surgical approach was chosen transnasally and placement of a placeholder. After removal frequent bouginage was done by the parents.

53% of the patients showed a sufficient lumen after removal of the placeholder. Further 25% were successfully treated after a secon intervention and prolongated insertion of a placeholder. Three or more revisions were necessary in 6 (19%) patients. Different factors influencened therapy results, like accompanying deformations, configuration of the atresia plate, as well as duration and type of placeholder. The postinterventional period and in particular the guidance of parents appears to be a vital aspect of successfull treatment.