Clinical Experience With N-Butyl Cyanoacrylate Tissue Adhesive in Corneal Perforations Secondary to Herpetic Keratitis

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Purpose:To evaluate the success of cyanoacrylate tissue adhesive in the management of corneal perforations associated with herpetic keratitis.Methods:Case records of 46 patients with microbiologically proven herpetic keratitis associated with corneal perforations that were treated with corneal gluing were analyzed retrospectively in a tertiary care hospital. N-Butyl cyanoacrylate tissue adhesive and bandage contact lens were applied in addition to antiviral therapy. The main outcome measure was preservation of the structural integrity of the globe.Results:Glue application could heal corneal perforations in only 17 eyes (37%). Therapeutic keratoplasty had to be performed in 26 eyes (57%) because of failure of the glue. Fourteen eyes (31%) required multiple applications of tissue adhesive, and 2 eyes had to be eviscerated. Location of perforation, additional anterior chamber intervention, and use of prophylactic acyclovir therapy had no statistically significant effect on the overall final outcome.Conclusion:Corneal perforations associated with herpetic keratitis may not heal with glue application alone, and corneal transplantation surgery may be required to maintain the ocular structural integrity.

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