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N. Yi, S. Park, M. Jeong, W. Kim, H. Kim, T. Nam, K. Seo; Evaluation of the Motility of Silicone Orbital Implant After Evisceration With Sclerotomies in Dogs . Invest. Ophthalmol. Vis. Sci. 2006;47(13):5071.
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To evaluate the motility of silicone orbital implant in enucleation, evisceration with sclerotomies, and primary placement of motility coupling post (MCP) in evisceration with sclerotomies and to suggest the alternative orbital implant surgery in dogs.
The implant motility and prosthesis motility in enucleation (GroupI, n=6), evisceration with sclerotomies (Group II, n=6), and placement of MCP in evisceration with sclerotomies (Group III, n=6) using silicone orbital implant in dogs were calculated and compared. The motility of the implants was measured weekly for six weeks and the motility of the cosmetic prosthesis was measured at six weeks after surgery. The clinical evaluations were performed three times a week for eight weeks after surgery.
The means of horizontal and vertical implant motility in Group II and Group III was significantly greater than GroupI(P< 0.01), however there was no significance in means of horizontal and vertical implant motility between Group II and Group III. The means of horizontal and vertical prosthetic motility in group III was significantly greater than GroupI and Group II (P< 0.05), and the means of horizontal and vertical prosthetic motility in Group II was significantly greater than Group (P< 0.05). The chemosis and conjunctival hyperemia was reduced within two weeks in GroupI and Group II, and the reduction of these conditions in Group III occurred within three weeks. None of the 18 eyes developed postoperative complications such as orbital infection, protrusion or exposure of the implant, and implant exposure around MCP.
The motility of cosmetic prosthesis in placement of MCP in evisceration was significantly greater than in other groups. The primary placement of MCP in evisceration using silicone orbital implant would be the alternative techniques for orbital implant surgery in dogs with irreparable eye disease.
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