ISMS 2004: Medical Simulation pp 49-58 | Cite as
A Finite Element Study of the Influence of the Osteotomy Surface on the Backward Displacement during Exophthalmia Reduction
Abstract
Exophthalmia is characterized by a protrusion of the eyeball. The most frequent surgery consists in an osteotomy of the orbit walls to increase the orbital volume and to retrieve a normal eye position. Only a few clinical observations have estimated the relationship between the eyeball backward displacement and the decompressed fat tissue volume. This paper presents a method to determine the relationship between the eyeball backward displacement and the osteotomy surface made by the surgeon, in order to improve exophthalmia reduction planning. A poroelastic finite element model involving morphology, material properties of orbital components, and surgical gesture is proposed to perform this study on 12 patients. As a result, the osteotomy surface seems to have a non-linear influence on the backward displacement. Moreover, the FE model permits to give a first estimation of an average law linking those two parameters. This law may be helpful in a surgical planning framework.
Keywords
Patient Mesh Ocular Muscle Finite Element Study Orbital Volume Orbital DecompressionPreview
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References
- 1.Saraux, H., Biais, B., Rossazza, C.: Ophtalmologie. Pathologie de l’orbite, ch. 22, pp. 341–353, Masson (ed.) (1987)Google Scholar
- 2.Stanley, R.J., McCaffrey, T.V., Offord, K.P., DeSanto, L.W.: Superior and transantral orbital decompression procedures. Effects on increased intraorbital pressure and orbital dynamics. Arch. Otolaryngol. Head Neck Surg. 115, 369–373 (1989)Google Scholar
- 3.Wilson, W.B., Manke, W.F.: Orbital decompression in Graves’ disease. The predictability of reduction of proptosis. Arch. Ophthalmol. 109, 343–345 (1991)Google Scholar
- 4.Adenis, J.P., Robert, P.Y.: Décompression orbitaire selon la technique d’Olivari. J. Fr. Ophtalmol. 17(1), 686–691 (1994)Google Scholar
- 5.Miller, J.M., Demer, J.L.: Clinical applications of computer models for strabismus. In: Rosenbaum, Santiago, A.P. (eds.) Clinical Strabismus Management, Pub. W. B. Saunders (1999)Google Scholar
- 6.Buchberger, M., Mayr, H.: SEE-Kid: software engineering environment for knowledge-based interactive eye motility diagnostics. In: Proceedings of the Int. Symposium on Telemedicine, Gothenburg, Sweden (2000)Google Scholar
- 7.Li, Z., Chui, C.K., Cai, Y., Amrith, S., Goh, P.S., Anderson, J.H., Theo, J., Liu, C., Kusuma, I., Nowinski, W.L.: Modeling of the human orbit from MR Images. In: Dohi, T., Kikinis, R. (eds.) MICCAI 2002. LNCS, vol. 2489, pp. 339–347. Springer, Heidelberg (2002)CrossRefGoogle Scholar
- 8.Luboz, V., Pedrono, A., Amblard, D., Swider, P., Payan, Y., Boutault, F.: Prediction of tissue decompression in orbital surgery. Clinical Biomechanics 19/2, 202–208 (2004)CrossRefGoogle Scholar
- 9.Biot, M.A.: General theory of three-dimensional consolidation. Journal of Applied Physics 12, 155–164 (1941)CrossRefGoogle Scholar
- 10.Fung, Y.C.: Biomechanics: Mechanical Properties of Living Tissues. Springer, New York (1993)Google Scholar
- 11.Power, E.D., Stitzel, J.D., West, R.L., Herring, I.P., Duma, S.M.: A non linear finite element model of the human eye for large deformation loading. In: Proceedings of the 25th Annual Meeting of Biomechanics, San Diego, pp. 44–45 (2001)Google Scholar
- 12.Mow, V.C., Kuei, S.C., Lai, W.M., Armstrong, C.G.: Biphasic creep and stress relaxation of articular cartilage in compression: theory and experiments. Journal of Biomechanical Engineering 102, 73–84 (1980)CrossRefGoogle Scholar
- 13.Simon, B.R., Wu, J.S.S., Carlton, M.W., Evans, J.H., Kazarian, L.E.: Structural models for human spinal motion segments based on a poroelastic view of the intervertebral disk. Journal of Biomechanical Engineering 107, 327–335 (1985)CrossRefGoogle Scholar
- 14.Riemann, C.D., Foster, J.A., Kosmorsky, G.S.: Direct orbital manometry in patients with thyroid-associated orbitopathy, vol. 106, pp. 1296–1302 (1999)Google Scholar
- 15.Couteau, B., Payan, Y., Lavallée, S.: The mesh-matching algorithm: an automatic 3D mesh generator for finite element structures. Journal of Biomechanics 33, 1005–1009 (2000)CrossRefGoogle Scholar