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  • Title: Fibrin glue versus autologous blood for conjunctival autograft fixation in pterygium surgery.
    Author: Boucher S, Conlon R, Teja S, Teichman JC, Yeung S, Ziai S, Baig K.
    Journal: Can J Ophthalmol; 2015 Aug; 50(4):269-72. PubMed ID: 26257219.
    Abstract:
    OBJECTIVE: To compare the outcomes between autologous blood- and fibrin glue-fixated conjunctival autografts in pterygium excision surgery. DESIGN: Retrospective case series. PARTICIPANTS: Forty eyes of 40 patients who had a primary nasal pterygium excision. METHODS: A retrospective comparative case series of 40 eyes (40 patients) that had a primary nasal pterygium excision. All eyes had a conjunctival autograft from the superior bulbar conjunctiva to cover the scleral bed. Twenty eyes (20 patients) had fixation of the autograft using autologous blood (AB), and 20 eyes (20 patients) had fixation using fibrin glue (FG). One year of follow-up data included conjunctival graft stability (graft loss, graft retraction), pterygium recurrence, visual acuity, and postoperative complications. Descriptive and inferential statistics were performed. RESULTS: Intraoperatively, no complications occurred in either group. Graft loss occurred in 6 patients in the AB group, compared with none in the FG group. Graft retraction occurred in 3 patients in the AB group and 2 patients in the FG group. At 1 year postoperatively, pterygium recurrence occurred in 4 patients in the AB group and 1 patient in the FG group. One patient in the AB group developed a small pyogenic granuloma that resolved by 6 months with conservative management. Visual acuity remained stable in both groups. CONCLUSIONS: Conjunctival autograft fixation with autologous blood resulted in less stable conjunctival autografts and a higher recurrence rate compared with fixation with fibrin glue.
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