Intraoperative management of nonfunctioning Ahmed glaucoma valve implant.
A 62-year-old woman with neovascular glaucoma underwent filtering surgery with the Ahmed glaucoma valve (New World Medical, Inc., Rancho Cucamonga, CA). Intraoperative hypotony secondary to a defective valve was noted and managed by excising the valve mechanism. The implant was then treated as if it was non-valved by placement of an obturator suture. The postoperative course was unremarkable for a non-valved implant. This case demonstrates how intraoperative hypotony secondary to overfiltration of an Ahmed glaucoma valve implant can be successfully managed by converting to a non-valved implant.
Department of Ophthalmology and Visual Science, The University of Texas Medical School at Houston, Houston, Texas 77030, USA.
Pete
P
Setabutr
Nicholas P F
NP
Bell
Robert M
RM
Feldman
D005260:Female; D005500:Follow-Up Studies; D020327:Glaucoma Drainage Implants; D015355:Glaucoma, Neovascular / Q000601:surgery; D006801:Humans; D007429:Intraocular Pressure; D007432:Intraoperative Period; D008875:Middle Aged; D015814:Ocular Hypotension / Q000209:etiology / Q000503:physiopathology / Q000601:surgery*; D011475:Prosthesis Failure