Abstract
Aneurysms are pathological, localized. blood-filled dilatations of the blood vessels. Their origin may be congenital, traumatic. arteriosclerotic or infectious (Photon et al., 1977). The congenital (saccular) aneurysms, which make up over 90% of intracranial aneurysms, are generally found in and about the circle of Willis and especially at bifurcations. Most symptomatic aneurysms range in size from 0.5 to 1.5 cm in diameter. There are also giant aneurysms which expand to 3 cm in diameter or more without rupturing. They are a major cause of stroke-related morbidity and mortality. Saccular aneurysms may eventually rupture or they may expand slowly. Dilatation of the vessel and the eventual rupturing or expansion of the aneurysm bag all involve large deformations of the relevant membrane. In this paper we propose the idea that aneurysm rupture can be considered to be a biomechanical instability problem.
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© 1990 Springer Science+Business Media New York
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Akkas, N. (1990). Aneurysms as a Biomechanical Instability Problem. In: Mosora, F., Caro, C.G., Krause, E., Schmid-Schönbein, H., Baquey, C., Pelissier, R. (eds) Biomechanical Transport Processes. NATO ASI Series, vol 193. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1511-8_32
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DOI: https://doi.org/10.1007/978-1-4757-1511-8_32
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