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Abstract #52414 Published in IGR 15-1

Secondary Glaucoma After Intravitreal Dexamethasone 0.7 mg Implant in Patients with Retinal Vein Occlusion: A one-Year Follow-Up

Meyer LM; Schönfeld CL
Journal of Ocular Pharmacology and Therapeutics 2013; 29: 560-565

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PURPOSE: To investigate the rate of secondary glaucoma after intravitreal dexamethasone 0.7 mg (Ozurdex(®)) implantation over a clinical treatment period of 1 year. METHODS: A prospective study of a series of 16 patients (9 males, 7 females; mean age 76 years) suffering from central- or branch retinal vein occlusion treated with dexamethasone 0.7 mg were followed up for 12 months. Main outcome measures were intraocular pressure (IOP) determined with Goldmann applanation tonometry (GAT) and Pascal dynamic contour tonometry (DCT), as well as best-corrected visual acuity (BCVA) and central retinal thickness measured with optical coherence tomography (OCT). RESULTS: BCVA (logMAR) improved in treated patients from mean 0.81 at baseline to a peak of 0.47 after 2 months but declined irrespective of reinjections to 0.87 at 12 months. Central retinal thickness measured with OCT initially decreased but increased again with recurring macular edema. 69% of patients treated with dexamethasone 0.7 mg had an IOP increase of at least 5 mmHg. In total, 50% of patients had an increase of ≥10 mmHg during the studied period. The IOP increase in treated eyes was significant 1, 2, 3, and 8 months after dexamethasone 0.7 mg implantation. CONCLUSION: secondary glaucoma after intravitreal injection of dexamethasone 0.7 mg might be underestimated in the GENEVA studies. The clinical safety profile reported here calls for thorough identification of suitable patients and frequent IOP control if dexamethasone 0.7 mg (Ozurdex) is applied as a long-term treatment.

Herzog Carl-Theodor Eye Clinic , Munich, Germany .

Full article

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Classification:

9.4.1 Steroid-induced glaucoma (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders)
11.15 Other drugs in relation to glaucoma (Part of: 11 Medical treatment)

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