Abstract
We describe an innovative technique for performing standardized low cost glaucoma filtration surgery using a polytetrafluoroethylene (PTFE) intravenous cannula. The trocar of a 24 gauge (24G) PTFE intravenous cannula was used to create a trabeculectomy ostium and its tube was inserted under a partial thickness scleral flap in 2 patients with advanced glaucomatous optic neuropathy, in whom intraocular pressure (IOP) was not controlled on maximal tolerable hypotensive therapy. Postoperatively, IOP of the operated eyes at 3, 6 and 9 months’ follow-up ranged from 12 to 15 mmHg with a well formed anterior chamber and a diffuse bleb.
Highlights
Trabeculectomy remains the surgery of choice in patients with advanced glaucomatous optic neuropathy (GON).[1]
Trabeculectomy remains the surgery of choice in patients with advanced glaucomatous damage.[1]
Some of the problems associated with trabeculectomy are attributed to the need for tissue excision and lack of standardization of filtration.[4,5]
Summary
Trabeculectomy remains the surgery of choice in patients with advanced glaucomatous optic neuropathy (GON).[1]. The Ex‐PRESSTM glaucoma implant was introduced as a nonvalved miniature stainless steel device, designed with the intent of offering a simple and safe alternative to classic trabeculectomy, obviating the need for tissue excision or removal.
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