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Innovative surgical technique may manage adult primary glaucoma
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SAN FRANCISCO — A novel surgical procedure may be effective in reducing IOP in patients with adult primary glaucoma, according to a presenter here.
“The fact that the conjunctiva and sclera is spared makes this surgical procedure a very promising first-line surgical glaucoma treatment,” David G. Godfrey, MD, said in a poster presented at the American Glaucoma Society annual meeting.
A trial on 360° gonioscopy assisted transluminal trabeculotomy (GATT) was designed to introduce a conjunctival-sparing, minimally invasive, sutureless technique for adult primary glaucoma.
The retrospective review included 146 eyes that underwent the GATT procedure, including 88 eyes with primary open-angle glaucoma, 16 eyes with pseudoexfoliation, 15 eyes with other open-angle glaucomas, eight eyes with uveitic glaucoma, eight eyes with pigmentary glaucoma, five eyes with chronic narrow angle glaucoma, five eyes with mixed mechanism glaucoma, and one eye with other closed angle glaucoma.
Visual acuity, complications, IOP, secondary procedure and number of IOP-lowering medications were recorded in all patients at baseline and at 1 day, 1 week, 1 month, 3 months, 6 months and 12 months postoperatively.
Mean preoperative IOP was 24 mm Hg, which was reduced to 13.5 mm Hg at months 7 to 12 of follow-up (P < .001). The average IOP decrease was 42%, and approximately 40% of patients were on no medications at months 7 to 12.
Twelve-month data will be forthcoming, Godfrey said.
Disclosure: Godfrey has no relevant financial disclosures.