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Valuable use of computer-aided surgery in congenital bony aural atresia

Published online by Cambridge University Press:  08 March 2006

Marco Caversaccio ,
Joel Romualdez ,
Richard Baechler ,
Lutz-Peter Nolte ,
Martin Kompis  and
Rudolf Häusler
Marco Caversaccio
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern, Switzerland.
Joel Romualdez
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern, Switzerland.
Richard Baechler
Affiliation:
M. E. Müller Institute for Biomechanics, University of Bern, Switzerland.
Lutz-Peter Nolte
Affiliation:
M. E. Müller Institute for Biomechanics, University of Bern, Switzerland.
Martin Kompis
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern, Switzerland.
Rudolf Häusler
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern, Switzerland.
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Abstract

Congenital aural atresia repair is difficult owing to unpredictable anatomy. Benefits may be gained from computer-aided surgery (CAS), but its exact role has yet to be clearly defined. This is a retrospective study of 18 patients with bony type C (Schuknecht classification) congenital atresia. In the first group (n = 9), repair was performed with CAS while in the second group (n = 9), similar intervention was applied without CAS. Intra- and post-operative clinical and audiological findings were compared. CAS computed tomography (CT) images correlated well with intra-operative findings giving the surgeon more security and reducing operative time by 25 minutes. In our estimation, CAS is valuable for type C congenital aural atresia repair. It serves as an educational tool and as a guide for the experienced surgeon in critical situations where anatomical landmarks are distorted and where access is limited.

Keywords

Diagnosis, Computer AssistedSurgical Procedures, OperativeEar, External
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 117 , Issue 4 , April 2003 , pp. 241 - 248
Copyright
© Royal Society of Medicine Press Limited 2003

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