Emulsion polymer isocyanate-gluing: Autologous epithelial transplant with cyanoacrylate glue application for small corneal perforations. 2020

Rahul K Bafna, and Rinky Agarwal, and Abhijeet Beniwal, and Agam Bhandari, and Namrata Sharma, and Jeewan S Titiyal
Department of Ophthalmology, Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.

Cyanoacrylate glue (CG) is a commonly employed modality for sealing small corneal perforations. Presently, we describe the technique of emulsion polymer isocyanate (EPI)-gluing, a modification of its application, and its results in nine eyes with noninfectious, nontraumatic sterile corneal perforation with size ≤3 mm. The method involves harvesting a small patch of autologous epithelium adjacent to the melt area with the help of 10% alcohol and transplanting to the site of melt with its basement membrane facing downwards. CG, loaded on the reverse side of Sinskey hook or Weck-Cel sponge, is instilled on this epithelium-melt site complex and withdrawn immediately following which a bandage contact lens is placed on the corneal surface. In our series of patients with nine eyes where EPI-gluing was undertaken, all eyes reported a healed corneal scar with spontaneously dislodged glue and no underlying vascularization at 3-months follow-up. EPI-gluing is an inexpensive and host-friendly technique for the treatment of small noninfectious corneal perforations particularly with iris tissue prolapse.

UI MeSH Term Description Entries
D011108 Polymers Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS). Polymer
D003487 Cyanoacrylates A group of compounds having the general formula CH2 Cyanoacrylate
D004655 Emulsions Colloids formed by the combination of two immiscible liquids such as oil and water. Lipid-in-water emulsions are usually liquid, like milk or lotion. Water-in-lipid emulsions tend to be creams. The formation of emulsions may be aided by amphiphatic molecules that surround one component of the system to form MICELLES. Emulsion
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014014 Tissue Adhesives Substances used to cause adherence of tissue to tissue or tissue to non-tissue surfaces, as for prostheses. Adhesive, Tissue,Adhesives, Tissue,Tissue Adhesive
D057112 Corneal Perforation A puncture or hole through the CORNEAL STROMA resulting from various diseases or trauma. Corneal Perforations,Perforation, Corneal,Perforations, Corneal
D017953 Isocyanates Organic compounds that contain the -NCO radical. Isocyanate

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