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Effect comparison of pterygium excision combined with different methods of conjunctival transplantation in the treatment of primary pterygium |
ZHANG Xiuli LI Mimi ZHANG Ming LIU Zhao |
Department of Ophthalmology, the First Affiliated Hospital of Xi′an Jiaotong University, Shaanxi Province, Xi′an 710061, China |
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Abstract Objective To investigate the clinical effect of pterygium excision combined with free conjunctival flap transplantation or pedicled conjunctival flap transplantation in the treatment of primary pterygium. Methods From November 2017 to October 2018, 60 patients with primary pterygium admitted to the Department of Ophthalmology, the First Affiliated Hospital of Xi′an Jiaotong University were seleted. According to the random number table, they were divided into free group and transposition group, with 30 cases in each group. Free group was given pterygium excision combined with free conjunctiva flap transplantation and transposition group was given pterygium excision combined with padicled conjunctiva flap transplantation. One week after operation, the corneal epithelial wounds, postoperative pain, bloodshot level and comfort level (foreign body feeling, tears) were compared. The recurrence was compared between the two groups half year after operation. Results One week after the operation, there were no significat differences in the corneal epithelial wounds and postoperative pain between two groups (P > 0.05). Bloodshot level of transposition group was lower than that of free group, the difference was highly statistically significant (P < 0.01). Comfort level of transposition group was higher than that of free group, the difference was statistically significant (P < 0.05). Half a year after surgery, pterygium recurred in both groups, but the difference in recurrence rate was not significant between two groups (P > 0.05). Conclusion Both of the two different conjunctival transplantations can effectively treat primary pterygium and reduce the recurrence rate. Moreover, pterygium surgery combined with pedicled conjunctiva flap transplantation can significantly improve the postoperative comfort.
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