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Abstract #120236 Published in IGR 25-1
Long-term outcomes of phacoemulsification with iStent inject® implantation in narrow angle glaucoma
Cheng Z; Berman T; Choudhary AJournal Français d'Ophtalmologie 2024; 48: 104298
PURPOSE: To assess the outcomes of phacoemulsification with iStent inject implantation (phaco-iStent) in patients with narrow angle glaucoma (NAG) at a single tertiary eye centre. DESIGN: Retrospective clinical cohort study. METHODS: Patients undergoing phaco-iStent for NAG between March 2018 and October 2020 under the glaucoma team at a tertiary referral hospital were included. Data was analysed from a surgical outcome database. Primary outcomes included postoperative change in the mean intraocular pressure (IOP) and medications. Success was defined at two IOP cut-off points:≤21mmHg and≤15mmHg with (qualified) or without (complete) drops. Failure was repeat glaucoma surgery or loss of light perception (LP). RESULTS: Fifty-seven eyes with a mean follow-up of 32months (range 12months to 36months) were included. Mean IOP changed from 19.7±4.2mmHg (range 12-28) to 14.0, 14.9 and 14.6 at 12, 24 and 36months. Drops reduced from 2.2±0.7 to 0.92±1.24 at the last follow-up. Complete success for an IOP≤21mmHg was 49%, 39%, 37% and qualified success was 96%, 92% and 95% at 12, 24 and 36months. An IOP≤15mmHg (qualified) was achieved in 74%, 58%, 54% at 6, 12, 24 and 36months. Three patients (5%) required further glaucoma surgery, one patient underwent selective laser trabeculoplasty and one patient requiring peri-ocular steroid treatment due to persistent cystoid macular oedema. There were no other long-term complications. CONCLUSION: Phacoemulsification with iStent inject is a safe and effective surgical option in the management of narrow angle glaucoma.
Royal Liverpool University Hospital, St Paul's Eye Unit, Prescot Street, Liverpool L7 8XP, UK. Electronic address: zhihang.cheng@liverpoolft.nhs.uk.
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