Management of neovascular glaucoma with intravitreal ranibizumab, panretinal photocoagulation, and subsequent 5-fluorouracil augmented trabeculectomy: A case report

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Abstract

Rationale:

Neovascular glaucoma (NVG) is one of the most refractory types of glaucoma caused by high ischemic retinal disorders, resulting in severe visual loss. Intravitreal injections of ranibizumab have been reported to have anatomical and functional success in treating NVG.

Patient concerns-Diagnoses-Interventions:

We report a case with neovascular glaucoma due to central retinal vein occlusion who received combination therapy with intravitreal ranibizumab (IVR) injection, panretinal photocoagulation (PRP) and subsequent 5-fluorouracil (5-FU) augmented trabeculectomy.

Outcomes:

One week after IVR injection, the intraocular pressure (IOP) had partially decreased to 33 mmHg, and there was a complete regression of neovascularization of the iris (NVI) and the angle (NVA). PRP was feasible after IVR due to improvement of corneal edema which made an adequate view of the posterior pole of fundus. The surgery of trabeculectomy with 5-FU was performed 2 weeks after IVR to control the IOP. The intraoperative and postoperative courses were uneventful without any adverse complication. Post trabeculectomy, his vision remained stable and the IOP was in the range of 4-15 mmHg without topical antiglaucoma medications. A functioning bleb was maintained and there was no recurrence of NVI and NVA during the complete follow-up period of 6 months.

Lessons:

Combined treatment of IVR, PRP, and subsequent 5-FU augmented trabeculectomy is demonstrated to be a possible new paradigm for the management of advanced NVG with angle closure and intractable elevation of IOP.

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