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Abstract #91837 Published in IGR 21-4

Outcomes and risk factors for failure after trabeculectomy in Taiwanese patients: medical chart reviews from 2006 to 2017

Chiu HI; Su HI; Ko YC; Liu CJ
British Journal of Ophthalmology 2022; 106: 362-367

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AIMS: To determine long-term outcomes and risk factors for failure after mitomycin C (MMC)-augmented initial trabeculectomy (IT) in Taiwanese patients. METHODS: We reviewed medical records of patients with glaucoma undergoing IT during December 2006-December 2016. We defined complete success as an intraocular pressure (IOP) of >5 or ≤21 mm Hg or IOP reduction of ≥20% from baseline without supplemental medications and qualified success as the aforementioned IOP levels with or without supplemental medications. Kaplan-Meier survival and Cox proportional analyses evaluated success rates and risk factors for failure, respectively. RESULTS: We enrolled 190 patients (237 eyes; mean age: 54.0±15.3 years; mean postoperative follow-up period: 68.4±35.1 months). Mean IOP and glaucoma medications decreased from 22.2±10.8 to 14.4±5.2 mm Hg (p<0.001) and 3.0±0.7 to 1.8±1.2 (p=0.015), respectively, at the last visit. Cumulative qualified success rates were 93.9%, 93.0%, 86.5% and 67.1% at the 1, 2, 5 and 10 years follow-up, respectively; however, only 7.7% of the eyes reached complete success at the last visit. Eyes with poor preoperative visual acuity were associated with low qualified success rates (HR=1.689, p=0.027); patients aged >70 years had higher complete success rates than did those aged ≤70 years. Five cases (2.11%) exhibited bleb-associated complications. CONCLUSION: Despite satisfactory long-term success rates, most eyes needed medication for IOP control, supporting the notion of predisposed scarring vitality in patients of Chinese ethnicity following MMC-augmented trabeculectomy.

Department of Ophthalmology, Taipei Veterans General Hospital and National Yang-Ming University, Taipei, Taiwan.

Full article

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Classification:

12.8.1 Without tube implant (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
13.1 Prognostic factors (Part of: 13 Therapeutic prognosis and outcome)

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