Posterior sub-Tenon’s triamcinolone acetonide injection to treat cystoid macular edema after intra-ocular surgery – Is it safe and effective?

Poster Details

First Author: G.Barcat Angelelli UK

Co Author(s):    B. Ramasamy                             

Abstract Details


We aimed to study the effectiveness of sub-Tenon's triamcinolone acetonide (PSTA) in postoperative cystoid macular oedema (CMO) by assessment of visual and anatomical outcomes and to document any complications.


Wirral University Teaching Hospital NHS Fundation Trust


All patients had treatment with 40 mg of TA delivered through sub Tenon’s route in outpatients. A retrospective case note review of patients undergoing PSTA injection over last 12 months was done. Changes in best-corrected visual acuity (BCVA), central retinal thickness (CRT) on optical coherence tomography (OCT) and intraocular pressure were studied


20 eyes of 18 patients were included. 11 eyes had Phacoemulsification and 9 eyes had Vitrectomy as their primary procedure. Median age was 76.4 years (39–89 years). Median follow up was 5.8 months (2–12 months). Mean letter gain on the last follow up was 9 letters. All showed reduction in CRT p=<0.001. One patient developed increased intraocular pressure which was well controlled with topical medication. None of the patients needed cataract surgery during follow up


Sub-Tenon’s TA injections may be a safe and effective outpatient treatment for CMO avoiding the risk of ocular complications associated with intravitreal procedures and the systemic side effects of oral steroids

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