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Abstract #81098 Published in IGR 20-3

Outcome of phacoemulsification combined with excisional goniotomy using the Kahook Dual Blade in severe glaucoma patients at 6 months

Hirabayashi MT; Hirabayashi MT; King JT; Lee D; An JA
Clinical Ophthalmology 2019; 13: 715-721


PURPOSE: The aim of this study was to describe 6-month rates of achieving target IOP without requiring additional glaucoma surgery after excisional goniotomy using the Kahook Dual Blade combined with phacoemulsification (phaco-KDB) in patients with severe-stage glaucoma. METHODS: Retrospective review of 42 eyes from 36 patients with severe glaucoma who received phaco-KDB. Primary and secondary open-angle and combined-mechanism glaucoma were included. Preoperative, intraoperative, and postoperative data were collected through the 6-month follow-up period. The primary outcome was proportion of patients achieving IOP ≤15 mmHg without additional glaucoma procedures. Secondary outcomes were mean change in IOP, reduction of glaucoma medications, additional glaucoma procedures needed, and adverse events. RESULTS: Preoperative baseline mean IOP was 17.1±4.8 mmHg (mean ± SD) and number of medications was 2.4±1.3. At 6 months, 64.3% (27/42) of eyes had achieved IOP ≤15 mmHg without additional glaucoma procedures, 45.2% (19/42) reached this target IOP on fewer medications, and 31.0% (13/42) on no medications. Mean IOP reduction was 2.1±4.67 mmHg (=0.022) and mean medication reduction was 1.2±1.4 (≤0.001). Visually significant complications were experienced by 7.1% (3/42) of eyes, and 7.1% (3/42) required additional IOP-lowering procedures within 6 months of surgery. CONCLUSION: Patients with severe-stage open-angle glaucoma achieved significant IOP and medication reductions following phaco-KDB. Notably, about two-thirds of eyes achieved an IOP of ≤15 mmHg at 6 months without additional glaucoma procedures. Complications and need for additional procedures were rare. Phaco-KDB may be an effective and safe alternative to more invasive filtering surgery in many patients with severe glaucoma.

Mason Eye Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA, anja@health.missouri.edu.

Full article

Classification:

12.14.3 Phacoemulsification (Part of: 12 Surgical treatment > 12.14 Combined cataract extraction and glaucoma surgery)
12.9 Trabeculotomy, goniotomy (Part of: 12 Surgical treatment)



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