Efficacy of Trabeculectomy on IOP in Phakic Versus Pseudophakic among POAG Patients at Debaratana Nakhon Ratchasima Hospital
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Abstract
Background: Glaucoma is a degenerative optic nerve disease, the second leading cause of vision loss globally. The treatment aims to lowering IOP for stabilize the glaucoma and prevent further visual field loss.
Objective: This study compare efficacy of trabeculectomy on IOP between phakic and pseudophakic status among POAG patients.
Methods: It's a retrospective descriptive study using medical records and case record form. Assessment occurs at 1 week, 1 month, 3 month, and 6 months.The post surgery sample is primary open angle glaucoma patients who had surgery at Debaratana Nakhon Ratchasima Hospital (July 2021 to January 2023). The analysis employed Repeated measurement analysis assessed variance and Generalized Estimating Equation with 95% confidence.
Results: The study found that among patients with primary open angle glaucoma, 13 had phakia (52.0%), and 12 had pseudophakia (48.0%). No significant difference was detected when comparing changes in intraocular pressure after 6 months of surgery between phakic and pseudophakic patients. However, at least one pair had significant differences in postoperative visual acuity and intraocular pressure levels (p<0.001). Additional procedures after surgery also differed significantly in at least one pair (p=0.013).
Conclusion: After trabeculectomy for 6 months, IOP in phakic and pseudophakic among POAG patients were decreased. However, no statistically significant differences were found between the two groups.
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