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PURPOSE: To determine the effect of cataract surgery on glaucomatous eyes with functioning tube shunts. METHODS: Retrospective analysis of 11 eyes of 11 patients with functioning tube shunts who underwent cataract extraction. RESULTS: The mean follow-up after cataract extraction was 21 ± 27 months (range, 4-97 months). There was no statistically significant difference between the mean preoperative intraocular pressure and mean postoperative intraocular pressure (17.4 ± 3.7 mmHg versus 17.8 ± 5.9 mmHg; p = 0.85, paired t test). Most patients exhibited a statistically significant rise or drop in pressure, but in none was there a clinically significant change. The mean number of preoperative and postoperative antiglaucoma medications was also not significantly different (1.5 ± 1.1 versus 1.7 ± 1.2; p = 0.44, paired t test). Snellen visual acuity improved at least two lines in six eyes (55%). Complications after cataract extraction included corneal edema in three eyes, one of which had subsequent loss of control of intraocular pressure. CONCLUSIONS: Eyes with a functioning tube shunt undergoing cataract extraction can maintain control of intraocular pressure while achieving visual improvement.
Dr. C.A. Bhattacharyya, Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, IN, USA
12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
12.14.3 Phacoemulsification (Part of: 12 Surgical treatment > 12.14 Combined cataract extraction and glaucoma surgery)