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PURPOSE: To evaluate the efficacy and safety of a tube fenestration stented with a 10-0 polyglactin suture for controlling early postoperative intraocular pressure (IOP) after Baerveldt glaucoma implant (BGI) surgery. METHODS: The medical records of 110 patients (119 eyes) who underwent BGI surgery with a tube fenestration stented with a 10-0 polyglactin suture anterior to an occlusive tube ligature were retrospectively reviewed. Main outcome measures included IOP and number of glaucoma medications at postoperative day 1, week 1, and weeks 2 to 3 as well as complications occurring before ligature release. RESULTS: Mean±SD preoperative IOP was 30.9±9.3 mm Hg using an average of 3.8±1.1 glaucoma medications. A statistically significant reduction in IOP and glaucoma medications was observed at all timepoints during the first 3 postoperative weeks compared with baseline (P<0.001). Mean IOP on postoperative day 1, week 1, and weeks 2 to 3 was 18.4±12.2 mm Hg on no medication, 15.9±9.4 mm Hg on 1.0±1.3 medications, and 16.7±8.2 mm Hg on 1.2±1.5 medications, respectively. In total, 44 eyes (37%) achieved IOP control without glaucoma medication during period of tube occlusion. CONCLUSIONS: The use of a single, monofilament 10-0 polyglactin suture to stent a fenestration proximal to the occlusive ligature of a BGI tube is effective in controlling IOP in the early postoperative period. Hypotony-related complications were infrequent and resolved in all cases with in-office interventions.
New York Eye and Ear Infirmary of Mount Sinai, New York, NY.
Full article12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)