ArticleCureus2025
A Novel Scleral Tunnel Technique for the Prevention of Ahmed Glaucoma Valve Tube Exposure.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tube exposure after Ahmed glaucoma valve (AGV) implantation is a serious complication in eyes with glaucoma. This study aimed to present an effective and minimally invasive scleral tunnel technique for preventing tube exposure. A scleral tunnel was created using a 22-gauge needle between two scleral incisions. The scleral incisions were made 2 mm and 8 mm from the limbus for a simple AVG implantation, and 4 mm and 8 mm from the limbus for an AVG implantation performed together with pars plana vitrectomy (PPV), in which a trocar for the PPV was inserted through the scleral incision at the 4 mm position. After trimming the tube to an appropriate length, it was inserted into the scleral tunnel created by the 22-gauge needle. The tube was then removed from the sclera, and its tip was inserted into the posterior chamber through the scleral incision. After confirming the insertion of the tube into the posterior chamber, the Tenon's capsule and conjunctiva were sutured using 8-0 Vicryl sutures. No postoperative complications, including tube exposure, were observed. This novel technique is an effective and minimally invasive method for preventing tube exposure after AGV implantation.
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