Outcomes of Primary Trabeculectomy With Mitomycin-C in Glaucoma Secondary to Iridocorneal Endothelial Syndrome

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Abstract

Purpose:

To report the outcomes of primary trabeculectomy with mitomycin-C (MMC) in eyes with glaucoma secondary to iridocorneal endothelial (ICE) syndrome.

Methods:

We included 16 eyes of 15 subjects with ICE syndrome who underwent primary trabeculectomy with MMC between 1991 and 2013. Surgical success was defined as complete when the intraocular pressure (IOP) was ≥5 and ≤21 mm Hg with no additional antiglaucoma medication (AGM) or surgery and as qualified if IOP was controlled with AGM.

Results:

The median age (interquartile range) of subjects at the time of trabeculectomy was 41 years (37, 44 y) and the median follow-up period was 23 months (7, 79 mo). Postoperatively, the median IOP significantly reduced from 36 (26, 43) to 14 mm Hg (12, 17 mm Hg) (P<0.001) and median number of AGMs reduced from 3 (2, 4) to 0 (0, 0) (P<0.001). The percentage of complete success was 75% at 6 months, 64% at 12 months, 57% at 36 months, and 33% at 60 months. The percentage of qualified success was 94% at 6 months, 82% at 12 months, 71% at 36 months, and 60% at 60 months. Five eyes failed during the follow-up period. The mean (±SD) number of glaucoma surgeries per eye was 1.3±0.5. Eight eyes developed corneal edema at a median follow-up of 78.5 months and 4 eyes underwent keratoplasty.

Conclusions:

Primary trabeculectomy with MMC offers moderate surgical success in patients with ICE syndrome. Maintaining long-term IOP control and corneal clarity in these eyes is a big challenge.

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