Abstract
Objective To evaluate the efficacy of fresh amniotic membrance transplantation in treating hydroxyapatite(HA)orbital implant exposure.Methods The exposed HA was covered by tenons sac and fascia or coverd by allogenic sclera.The conjunctival defect was repaired with fresh anmiotie membrance transplantation.Results All amniotic membrane grafts(12 patients,12 eyes)grew well with no infection and dissolution.The conjunctival sac healed well 2 months later.All patients were given prosthetic eye.Condusion As a kind of safe and cheap material,human amniotic membrane can reduce inflammation prevent dissolution of the sclera and promote conjunctival epithelial repair. Key words: Hydroxyapatite orbital implant; Exposure; Fresh amniotic membrane; Transplantation
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