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Abstract #90229 Published in IGR 21-3
Changes in anterior segment parameters following insertion of ExPRESS mini glaucoma implant vs. trabeculectomy
Livny E; Hammel N; Mimouni M; Lusky M; Kaiserman I; Bahar IArquivos Brasileiros de Oftalmologia 2020; 83: 283-288
PURPOSE: To compare changes in anterior segment parameters following ExPRESS Mini Glaucoma Shunt surgery vs. trabeculectomy using the Pentacam rotating Scheimpflug camera. METHODS: In this prospective, comparative study, 27 patients with glaucoma treated at the Rabin Medical Center from 2009 to 2013 were enrolled in this prospective comparative study: 19 participants (19 eyes) underwent ExPRESS shunt implantation and 12 (13 eyes) underwent trabeculectomy. Changes in anterior chamber parameters at postoperative day 1 and postoperative month 3 were evaluated on Scheimpflug images. RESULTS: Intraocular pressure decreased significantly from baseline in both groups. The decrease in both groups was similar at postoperative month 3 (p=0.82). ExPRESS surgery caused a transient increase in posterior corneal astigmatism (p=0.008) and a transient decrease in anterior chamber depth (p=0.016) and volume (p=0.006) on postoperative day 1. At postoperative month 3, these parameters were no longer statistically significant (p=0.65, p=0.51, and p=0.57 respectively). Trabeculectomy caused a transient increase in anterior and posterior corneal astigmatism on postoperative day 1 (p=0.003 and p=0.005, respectively), which were not evident at postoperative month 3 (p=1.0 and p=1.0, respectively). At postoperative month 3, both ExPRESS and trabeculectomy showed similar changes in anterior chamber parameters. CONCLUSIONS: Both ExPRESS mini glaucoma implant and trabeculectomy significantly decreased intraocular pressure and had transient effects on anterior segment parameters, with minor differences between the methods.
Departmens of Ophthalmology, Rabin Medical Center, Petah Tikva, Israel.
Full articleClassification:
12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
12.8.1 Without tube implant (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
2.4 Anterior chamber angle (Part of: 2 Anatomical structures in glaucoma)
6.12 Ultrasonography and ultrasound biomicroscopy (Part of: 6 Clinical examination methods)
