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Embolisation of the ophthalmic artery branches distal to its visual supply

Embolisation des branches de l'artère ophtalmique. Sécurité anatomique

  • Radiological Anatomy
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Summary

A study of the embryology and the anatomy of the ophthalmic artery shows that the branches to the important sensory structures arise proximal to the second intraorbital segment of the vessel. Damage to vision will be avoided if embolisation is restricted to vessels anterior to this “safety point”, which is easily recognised on an angiogram. The ideal point of injection of emboli is even more distal and varies with the extent of the lesion and the material used. Three cases are described with vascular lesions supplied by the ophthalmic artery and embolised with Histoacryl.

Résumé

L'étude du développement embryologique et de l'anatomie définitive de l'artère ophtalmique montre que les branches oculo-sensorielles naissent avant sa deuxième portion intra-orbitaire. La morbidité visuelle sera évitée si l'embolisation est réalisée en aval de ce point (point de sécurité) de l'artère, facilement reconnaissable sur une artériographie. Le point idéal est le point d'injection des emboles; il est encore plus distal et varie avec la lésion et l'instrumentation utilisée. Il est toujours plus distal que le point de sécurité anatomique. Les auteurs décrivent trois cas de lésions vasculaires alimentées par l'artère ophtalmique et embolisées à l'Histoacryl.

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Alvarez, H., Rodesch, G., Garcia-Monaco, R. et al. Embolisation of the ophthalmic artery branches distal to its visual supply. Surg Radiol Anat 12, 293–297 (1990). https://doi.org/10.1007/BF01623709

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  • DOI: https://doi.org/10.1007/BF01623709

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