J Korean Ophthalmol Soc.  2005 May;46(5):896-903.

Comparison of 2-Octylcyanoacrylate and Suture with 8-0 Polyglactin for Conjunctival Wound Closure in Rabbits

Affiliations
  • 1Department of Ophthalmology, College of Medicine, Dong-A University, Busan, Korea. kwyoo@daunet.donga.ac.kr

Abstract

PURPOSE
To evaluate the clinical efficacy and the histopathologic tolerance of 2-octylcyanoacrylate versus 8-0 polyglactin sutures for conjunctival wound closure in rabbits. METHODS: We performed an experimental study on 16 eyes of eight New Zealand albino rabbits. Conjunctival peritomy of 8 mm was done in the superior limbus followed by extensive subconjunctival dissection in both eyes. The eyes of the rabbits were divided into two groups. The conjunctiva was then attached to the limbus again by the proposed 2-octylcyanoacrylate adhesive (left eye, Group A) or 8-0 polyglactin suture (right eye, Group B). The clinical efficacy of the closure of the conjunctival wound, either with sutures or adhesives, and the clinical and histopathologic tolerances such as hyperemia, discharge, residual adhesive or suture, inflammatory change and fibrosis were observed at 1 day and at 1, 2, 4 and 6 weeks after surgery. Two rabbits were sacrificed at each of 1, 2, 4 and 6 weeks, and specimens of their conjunctiva were examined histologically. RESULTS: Both conjunctival surgical closure methods were found to be equally efficacious in fixing the conjunctiva to the limbus. There were no significant clinical or histopathologic tolerance differences between the two groups. The conjunctiva at 6 weeks of Group A showed nearly normalized morphology with disappeared inflammatory cells and fibroblasts, whereas those of Group B showed foreign body inflammatory reaction around the absorbing suture materials. CONCLUSIONS: 2-Octylcyanoacrylate adhesive was an efficient conjunctival closure method and was very well tolerated by the ocular surface. 2-Octylcyanoacrylate may be a possible tissue adhesive for conjunctival wound closure.

Keyword

Conjunctival wound closure; Dermabond; Polyglactin; Tissue adhesive; 2-octylcyanoacrylate
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