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Experimental tractional retinal detachment in rabbits

Clinical picture and histopathologic features

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Albrecht von Graefes Archiv für klinische und experimentelle Ophthalmologie Aims and scope Submit manuscript

Abstract

A simple reproducible model for the creation of tractional retinal detachments in rabbits is presented. This model comprises retinal membranes composed of different cell types derived from ocular tissues, and eliminates the need for lengthy and expensive tissue culturing procedures. The injected cell bolus rapidly migrates to the optic disc and forms surface retinal membranes. These lead to tractional retinal detachment confined to the area of the vascular medullary rays. The rapidity and severity of the clinical process seems to be directly dependent upon the number of cells injected. Good visibility of the posterior pole is maintained throughout the course of the development of detachment.

This model is acceptable for testing agents to suppress intraocular cellular proliferation. It can also serve to teach surgical techniques for the management of vitreo-retinal membranes without endangering human eyes.

Zusammenfassung

Es wird ein einfaches, reproduzierbares Modell zur Erzeugung einer Traktionsamotio bei Kaninchen vorgestellt. Dabei werden epiretinale Membranen, die von unterschiedlichen okulären Zelltypen abstammen, gebildet und so die Notwendigkeit langdauernder und kostspieliger Gewebekulturen eliminiert. Der injizierte Zellbolus wandert schnell in Richtung Papille, bildet Membranen auf der Netzhautoberfläche, und führt dann zum Auftreten einer Traktionsamotio, die auf das Gebiet der vascularisierten Markstrahlen beschränkt ist. Die Schnelligkeit und Schwere des klinischen Verlaufes scheint direkt proportional zur Zahl der injizierten Zellen zu sein. Während der gesamten Entwicklung der Traktionsamotio bleibt der Einblick auf den hinteren Augenpol ungestört.

Dieses Modell eignet sich zur Testung von Mitteln zur Unterdrückung intraokularer Zellproliferation. Außerdem bietet es die Möglichkeit, chirurgische Techniken zur Behandlung vitreo-retinaler Membranen zu lernen, ohne dabei menschliche Augen zu gefährden.

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This investigation was supported in part by the Wasserman Professorship Fund

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Trese, M.T., Spitznas, M., Foos, R.Y. et al. Experimental tractional retinal detachment in rabbits. Albrecht von Graefes Arch. Klin. Ophthalmol. 214, 213–222 (1980). https://doi.org/10.1007/BF00417516

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  • DOI: https://doi.org/10.1007/BF00417516

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