Comparison of a Modified Trabeculectomy Technique With Standard Trabeculectomy in Respect to Effectivity and Complication Rates
Abstract
Purpose: To compare the results of modified trabeculectomy with a central scleral gutter under the flap and releasable suture with standard trabeculectomy for open angle glaucoma cases.
Design: Retrospective.
Method: This retrospective comparative case series evaluated the outcomes of modified trabeculectomy in 32 eyes and standard trabeculectomy in 44 eyes with primary open-angle glaucoma or pseudoexfoliative glaucoma. Success was defined as achieving an intraocular pressure (IOP) ≤ 21 mmHg with or without the use of IOP-lowering eyedrops and no need for additional glaucoma surgery.
Results: There were 20 men (62.5%) and 12 women (37.5%), with a mean age of 61.9 ± 10.5 years in the modified trabeculectomy group and 27 men (61.4%) and 17 women (38.6%), with a mean age of 62.3 ± 9.8 years in the standard trabeculectomy group. Modified trabeculectomy group had a preoperative IOP of 26.9 ± 8.1 mmHg and a postoperative IOP of 15.3 ± 4.1 mmHg (p p p = 0.03). Anterior chamber shallowing was observed in 2 eyes (6.3%) in the modified trabeculectomy group, whereas the standard trabeculectomy group exhibited a broader complication profile, including anterior chamber shallowing in 4 eyes (9.0%), needling revision in 3 eyes (6.8%), hyphema in 2 eyes (4.5%), and choroidal detachment in 2 eyes (4.5%).
Conclusion: The modified trabeculectomy surgery lowers IOP effectively with a lower incidence of postoperative surgical complications.
How strong is the evidence?
Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health. Reported size: 27 participants or records.
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