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ISSN 1561-3070 (Electronic)

2020, Number 4

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Rev Cub Oftal 2020; 33 (4)

Results one year after modified gonioscopy-assisted trabeculotomy as a minimally invasive alternative for glaucoma

Fumero GFY, Fernández AL, Chaviano LG, Pérez RY, Benavides CAM

Language: Spanish
References: 30
Page: 1-17
PDF size: 691.42 Kb.


ABSTRACT

Objective: Describe results one year after modified gonioscopy-assisted trabeculotomy.
Methods: An analytical study was conducted of 30 eyes, 15 of which (15 patients) underwent modified gonioscopy-assisted trabeculotomy (GATTm) (case group), and 15 trabeculotomy with mitomycin C (TBT) (historical control).
Results: Male patients prevailed. Mean age was 64.2 ± 7.3 years for the TBT group and 69.9 ± 4.8 years for the GATTm group. In the TBT group mean preoperative best corrected visual acuity was lower (95 VAR/100-80 vs. 97VAR/100-90), whereas mean intraocular pressure was 26.0 mmHg/24.5-30.0 and 25.0 mmHg/22.5-27.0, respectively. All TBT patients received 3 hypotensive collyriums preoperative, while 53.3% of the GATTm patients required 3 hypotensive collyriums. At one year, mean best corrected visual acuity was lower in the TBT group (90VAR/100-75) and remained the same in the GATTm group (97VAR/100-90). A significant mean intraocular pressure reduction was observed in both groups and more than 85% of the cases required either one or no collyrium for their control.
Conclusions: Visual result, hypotensive effect and surgical complications at one year are evidence that modified gonioscopy-assisted trabeculotomy is a safe, useful technique. Long-term studies are required to evaluate its future effectiveness.


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