Clinical & experimental ophthalmology · 2016
Steroid-induced glaucoma treated with trabecular ablation in a matched comparison with primary open-angle glaucoma.
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Dang Yalong, Kaplowitz Kevin, Parikh Hardik A, Roy Pritha, Loewen Ralitsa T, Francis Brian A, Loewen Nils A
Аннотация
BACKGROUND: To evaluate the outcomes of trabectome-mediated ab interno trabeculectomy in patients with steroid-induced glaucoma (SIG).
DESIGN: A retrospective, observational cohort study performed in the Department of Ophthalmology, University of Pittsburgh Medical Center.
PARTICIPANTS: The data of 60 patients with SIG and 484 controls with primary open-angle glaucoma (POAG) matched by age, gender and glaucoma index were collected from the Trabectome Study Group database.
METHODS: Reduction of intraocular pressure (IOP) and medications were compared between POAG and SIG by multivariate regression. Kaplan-Meier was used for survival analysis. Success was defined as IOP ≤21 mmHg and at least 20% IOP reduction from baseline for any two consecutive visits after 3 months without secondary glaucoma surgery. Postoperative IOP and number of medications were compared with baseline in the SIG subgroups by the Wilcoxon test.
MAIN OUTCOME MEASURES: Intraocular pressure reduction and 1-year success rate.
RESULTS: Patients with SIG had a higher baseline IOP (31.4 ± 10.4 vs. 24.1 ± 7.6 mmHg, P < 0.01) and obtained a greater IOP reduction than controls with POAG (48.4% vs. 31.5%, P < 0.01). Multivariate regression showed that patients with SIG had an IOP reduction of 6.7 ± 1.1 mmHg more than those with POAG. Survival rates at 12 months were comparable at 86% in the SIG group and 85% in the POAG group (P = 0.47). Patients with SIG with a high baseline IOP, younger age and advanced glaucoma experienced a larger IOP drop.
CONCLUSION: Trabectome appears to be an effective surgical treatment in reducing IOP for patients with SIG.
DESIGN: A retrospective, observational cohort study performed in the Department of Ophthalmology, University of Pittsburgh Medical Center.
PARTICIPANTS: The data of 60 patients with SIG and 484 controls with primary open-angle glaucoma (POAG) matched by age, gender and glaucoma index were collected from the Trabectome Study Group database.
METHODS: Reduction of intraocular pressure (IOP) and medications were compared between POAG and SIG by multivariate regression. Kaplan-Meier was used for survival analysis. Success was defined as IOP ≤21 mmHg and at least 20% IOP reduction from baseline for any two consecutive visits after 3 months without secondary glaucoma surgery. Postoperative IOP and number of medications were compared with baseline in the SIG subgroups by the Wilcoxon test.
MAIN OUTCOME MEASURES: Intraocular pressure reduction and 1-year success rate.
RESULTS: Patients with SIG had a higher baseline IOP (31.4 ± 10.4 vs. 24.1 ± 7.6 mmHg, P < 0.01) and obtained a greater IOP reduction than controls with POAG (48.4% vs. 31.5%, P < 0.01). Multivariate regression showed that patients with SIG had an IOP reduction of 6.7 ± 1.1 mmHg more than those with POAG. Survival rates at 12 months were comparable at 86% in the SIG group and 85% in the POAG group (P = 0.47). Patients with SIG with a high baseline IOP, younger age and advanced glaucoma experienced a larger IOP drop.
CONCLUSION: Trabectome appears to be an effective surgical treatment in reducing IOP for patients with SIG.