Human donor sclera is commonly used in glaucoma surgery with a tube-shunt (eg, Molteno, Baerveldt, Shocket, Krupin-Denver) to cover the external portion of the silicone tube and prevent its erosion through the overlying conjunctiva. Common problems with this technique include immune-mediated melting of the graft and the potential for infectious disease transmission by the grafted material. A case is presented of a patient in whom a low-grade iridocyclitis was associated with the gradual melting of a scleral patch graft; the scleral patch was then replaced with commercially available, dehydrated human dura mater. The practical and theoretical advantages of cadaveric human dura mater in tube-shunt glaucoma surgery are discussed.
Brandt JD. Patch Grafts of Dehydrated Cadaveric Dura Mater for Tube-Shunt Glaucoma Surgery. Arch Ophthalmol. 1993;111(10):1436–1439. doi:10.1001/archopht.1993.01090100144042
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