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Abstract #105798 Published in IGR 23-3
Outcomes of inferonasal glaucoma drainage device surgery in the management of childhood glaucoma
Al-Lozi A; Umfress AC; Stinnett SS; Freedman SFJournal of AAPOS 2022; 26: 232.e1-232.e7
PURPOSE: To evaluate indications and postoperative outcomes of inferonasal Ahmed and Baerveldt glaucoma drainage devices (GDDs) in pediatric glaucoma. METHODS: This retrospective study included patients ≤18 years of age at inferonasal GDD placement, from June 2013 to September 2021. Demographic information, indications, and outcomes were recorded. Successful eyes had intraocular pressure (IOP) ≥5 and ≤21 mm Hg or (in severe cases, where entry IOP was ≤21 mm Hg) 20% below preoperative values without additional IOP-lowering surgery or vision-threatening complications. RESULTS: A total of 68 eyes of 52 patients were included. Mean age was 9.8 ± 5.8 years. Most common diagnoses included primary congenital glaucoma (n = 28 eyes [41%]) and glaucoma following cataract surgery (n = 12 eyes [18%]). Success rates by Kaplan-Meier survival analysis (95% CI) at 1, 2, 3, and 5 years were 62.2% (49.4-72.7), 49.0% (36.3-60.6), 36.8% (24.0-49.8), and 31.9% (18.5-44.5), respectively. Surgical failure was associated with Ahmed (vs Baerveldt) GDD (HR = 3.2; P = 0.002) and inferonasal site as initial (vs subsequent) GDD received (HR = 2.2; P = 0.048). Twenty-five eyes (36.7%) had at least one complication. Although vision-threatening complications were uncommon (n = 2 eyes [3%]), less severe complications were relatively common and included new/worsened strabismus (n = 9 patients [17%]), corneal edema (n = 6 eyes [9%]), lens opacities (n = 4 [6%]), tube or patch graft exposure (n = 3 [4%]), tube blockage (n = 2 eyes [3%]), and other (n = 8 eyes [12%]). CONCLUSIONS: In this study cohort, inferonasal GDDs for childhood glaucoma had modest success, with frequent though rarely vision-threatening complications.
Department of Ophthalmology, Duke University Medical Center, Durham, North Carolina.
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