| Experimental strabismus surgery using N-butyl-2-cyanoacrylate (Histoacryl(R)). |
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Yeon Chul Jung, Bong Leen Chang |
1Department of Ophthalmology, Jungang Gil General Hospital, Inchon, Korea.
2Department of Ophthalmology, Coilege of Medicine, Seoul National University, Seoul, Korea. |
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| Abstract |
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Strabismus surgeries using n-butyl-2-cyanoacrylate and 6-0 vicryl suture material were performed in 16 albino rabbits. Both eyes of 16 rabbits were used. The superior and inferior rectus muscles were recessed and resected 5 mm. In 12 rabbits, n-butyl-2-cyanoacrylate was used and those rabbits were divided into 3 groups, each group (4 rabbits, 8 eyes) was sacrificed 1, 2, and 3 weeks after operation respectively. The eyes were enucleated to examine the tensile strength and pathologic findings of the attached area. In 4 rabbits, 6-0 vicryl suture material was used as a control group in this study. This group was sacrificed and examined 3 weeks following the operation. In the cyanoacrylate groups, there were statistically significant differences and a chronologically increasing tendency of tensile strength between groups. Between the cyanoacrylate and the suture material group at 3 weeks post operation, there was no statistically significant differences in the tensile strength. Pathelogicallyr extraocular muscle bundles revealed patchy areas of interstitial inflammatory infiltration and fibrosis in the cyanoacrylate groups. Capillary telangiectasia and muscle fiber regeneration were commonly observed. The findings in specimens 3 weeks after operation revealed rather mild changes, suggesting healed lesions. In the suture material group, mild inflammatory reactions were found. |
| Key Words:
n-butyl-2-cyanoacrylate;recession;resection;tensile strength |
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