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  • Title: Surgical outcomes of combined gonioscopy-assisted transluminal trabeculotomy and cataract surgery.
    Author: Baykara M, Poroy C, Erseven C.
    Journal: Indian J Ophthalmol; 2019 Apr; 67(4):505-508. PubMed ID: 30900583.
    Abstract:
    PURPOSE: To evaluate the success, safety, and complication rates of gonioscopy-assisted transluminal trabeculotomy (GATT) combined with cataract surgery. METHODS: A retrospective study was conducted for 32 patients who underwent GATT combined with phacoemulsification and intraocular lens implantation. Patients with primary open-angle glaucoma were enrolled. The primary outcome measures were visual acuity, intraocular pressure (IOP), the number of antiglaucoma medications used, and complications. RESULTS: The average preoperative visual acuity of the patients was logMAR 1.57 ± 1.2, and the average postoperative visual acuity was logMAR 0.39 ± 0.38. A significant increase in visual acuity was observed post-surgery (P < 0.05). The average preoperative IOP was 34.2 ± 10.6 mmHg. In the 3rd postoperative month, the average IOP was 10.5 ± 2.2 mmHg, and in the 6th postoperative month, the average IOP was 11.2 ± 2.4 mmHg. In all postoperative follow-ups, IOP was significantly lower than that during the preoperative period (P < 0.05). A decrease of 2.7 ± 0.6 on average was detected in the number of glaucoma medications used in the postoperative period compared to the preoperative period, and the average decrease in the number of active ingredients post-surgery was 3.5 ± 0.8. The most frequent complication was hyphaema (31.2%). In only one patient (3.1%), the surgery was considered to have failed due to the development of deep hypotony. CONCLUSION: Performing GATT in the same session as cataract surgery does not reduce the efficacy of GATT, yet this procedure reduces the incidence of the most frequent complication of GATT, i.e. hyphaema. Therefore, in convenient cases, combined surgery can safely be performed.
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