Application of the adjustable sutured scleral flap in the composite trabeculectomy

Objective To evaluate the effect of adjustable sutured scleral flap on reducing shallow anterior chamber and controlling intraocular pressure in the trabeculectomy supplemented with MMC.Methods Forty-three cases(47 eyes) of various forms of glaucoma were randomly divided into two groups.In Group A,24 eyes of 22 consecutive patients underwent regular trabeculectomy,supplemented with MMC and the adjustable sutured scleral flap.In Group B,23 eyes of 21 consecutive patients underwent regular trabeculectomy supplemented with MMC only.The shallow anterior chamber,filtering blebs and intraocular pressure of the two groups were evaluated and compared.Results The occurrence rate of the shallow anterior chamber in Group A was lower than that of Group B,but there was not statistically significant difference between the two groups(Fisher's Exact Test P=0.072). The functional filtering blebs and intraocular pressure between the two groups were also not significantly different.Conclusion Applying adjustable sutured scleral flap to the trabeculectomy supplemented with MMC may adjust the amount of aqua oculi out-flowing,reduce the occurrence of the shallow anterior chamber and low intraocular pressure,and thus improve the succeed rate of trabeculectomy.