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MK Tsilimbaris, ES Lit, J Christoforides, DJ D'Amico; Feasibility of Retinal Microvascular Surgery . Invest. Ophthalmol. Vis. Sci. 2002;43(13):3509.
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Purpose:To evaluate the feasibility of microvascular surgery at the level of retinal vasculature. Methods:Porcine cadaver eyes were used and eyecups were prepared under an operating microscope. A number of microsurgical maneuvers were explored such as vascular puncturing, catheterization, mobilization, intravascular injections and their various cominations. The instruments used ranged from disposable 30G needles to an Er:YAG laser. Commercially available 10-0 nylon sutures and fine polyimide tubes as well as custom-made fine glass-tubes were used for vascular catheterization. Results:Puncturing, mobilization, catheterization and intravascular injection of retinal arteries and veins were succeeded. The connection of two remote retinal vessels using a fine tube was also achieved with the combination of these maneuvers. Conclusion:The feasibility of several microvascular maneuvers on retinal arteries and veins was demonstrated in cadaver eyes. Further experimentation and exploitation of these findings in a living animal model could offer the basis for aplying these microvascular maneuvers on humans.
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