Nd : YAG Laser Goniopuncture for Late Bleb Failure After TrabeculectomyWith AdjunctiveMitomycin C

RESULTS The mean (SD) time of LGP after trabeculectomy was 35.7 (32.3) months, and the mean (SD) follow-up period after LGP was 6.0 (1.1) months (range, 4.4-8.4 months). The mean (SD) IOP had decreased from 20.9 (4.5) mm Hg (range, 15.5-29.0 mm Hg) to 11.9 (4.1) mm Hg (range, 5.0-21.0 mm Hg) (P < .001). The only complications observed after LGP were 2 cases of hypotony, which resolved spontaneously. Compared with baseline Indiana Bleb Appearance Grading Scale classifications, 2 eyes showed an increase in bleb height and 10 eyes showed an increase in bleb extension. None of the eyes had a positive Seidel test result. The mean (SD) number of hypotensive agents per eye had decreased from 0.7 (1.1) to 0.3 (0.7) after the procedure. At the last follow-up visit, 15 eyes (79%) had achieved an IOP of 15 mm Hg or less, with a minimum IOP reduction of 20% from baseline without medication use.

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