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Uneventful phacoemulsification after trabeculectomy in pseudoexfoliation glaucoma versus primary open-angle glaucoma.

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INTRODUCTION Conflicting results have been reported on phacoemulsification in the filtered eyes with open-angle glaucoma. In this study, we aim to compare the effect of phacoemulsification after trabeculectomy between pseudoexfoliation… Click to show full abstract

INTRODUCTION Conflicting results have been reported on phacoemulsification in the filtered eyes with open-angle glaucoma. In this study, we aim to compare the effect of phacoemulsification after trabeculectomy between pseudoexfoliation glaucoma (XFG) and primary open-angle glaucoma (POAG). METHODS Consecutive patients with XFG and POAG who underwent uneventful phacoemulsification after trabeculectomy with 5-fluorouracil (TRAB-PHACO group) were reviewed retrospectively and matched to patients who underwent trabeculectomy only (TRAB group). Comparisons were performed for IOP, medication numbers and success rates. Surgical failure was defined as IOP > 21 mmHg or IOP ≤ 21 mmHg with additional medication or glaucoma surgery. Survival analysis was investigated by Kaplan-Meier test and the factors influencing final success by multivariate logistic regression analysis. RESULTS The records of 204 patients were reviewed. In XFG, when compared with the baseline, increase in IOP became statistically significant at the at 24-month visit in the TRAB-PHACO group (p=0.002), at the 6-month visit (p=0.001) in the TRAB group and remained so throughout the follow-up. In the TRAB-PHACO group, increase of glaucoma medications was statistically significant only at the last visit (p=0.001) in XFG, at the 6-month visit (p=0.02) in POAG and remained so throughout the follow-up. Two glaucoma types did not differ statistically from one another in terms of survival analysis. In the TRAB group, the additional glaucoma surgery was more common in XFG compared to POAG (p=0.02). The trabeculectomy failure after phacoemulsification was related with an IOP spike > 25 mmHg at postoperative first 24h (p=0.04). CONCLUSIONS In the filtered eyes with XFG, uneventful phacoemulsification may delay time-related worsening in IOP control and may decrease the additional glaucoma surgery need.

Keywords: glaucoma; group; trabeculectomy; phacoemulsification; trab; open angle

Journal Title: Ophthalmic research
Year Published: 2023

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