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International ophthalmology

Comparison of efficacy of three surgical methods of conjunctival autograft fixation in the treatment of pterygium.


PMID 25374052

Abstract

Our aim primarily was to compare the recurrence rate with three techniques of conjunctival fixation (suture versus fibrin glue versus autologous in situ blood coagulum) over bare sclera following pterygium excision. Ninety eyes of 90 patients with primary pterygium were randomly divided into three groups: group I (30 eyes) underwent autografting and fixation with 8-0 vicryl sutures, group II (30 eyes) with fibrin glue and group III (30 eyes) with autologous in situ blood coagulum. The patients were reviewed on 2nd day, weeks 1 and 4, and at every 3 months till 12 months after surgery. Rate of recurrence was similar (p = 0.585) across the three groups. Time taken for surgery for Group 1 was more as compared to group 2 (p < 0.001) and group 3 (p < 0.001). Also, group 2 cases took significantly more time as compared to group 3 (p < 0.001). Postoperative patient discomfort (foreign body sensation, epiphora, pain and irritation) was more in suture-assisted autografting as compared to the other two groups. However, at some points along the time line, patient discomfort was significantly more in group III as compared to group II. Complications like graft retraction, graft displacement and cyst formation were seen in a few patients but were not statistically significant across the three groups. All three techniques were found to be useful methods and were associated with similar rate of recurrence.

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