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    Exploring SLT efficacy for prior incisional glaucoma surgery

    Retrospective study finds treatment lowered IOP by more than 20% in study subset

    Charleston, SC—Although microinvasive glaucoma surgery is perhaps the hottest topic in glaucoma right now, subspecialists need other tried-and-true tools in their armamentarium to lower IOP.

    Selective laser trabeculoplasty (SLT) is a reasonable treatment option to lower IOP in glaucoma patients who have had previous glaucoma surgery, said Leah L. Kammerdiener, MD, a resident with Storm Eye Institute, Medical University of South Carolina (MUSC), Charleston.

    “For general ophthalmologists, this can be a great way to try something before sending them back to the glaucoma surgeon or sending them off for surgery again,” Dr. Kammerdiener said.

    The study was a retrospective electronic medical records review performed on patients who had SLT between February 2014 and September 2015 at MUSC. Dr. Kammerdiener and co-investigator, Allan Sharpe, MD, compared 53 patients with prior trabeculectomy with the ExPress shunt (Alcon Laboratories), Ahmed valve implantation (New World Medical), or cataract surgery with trabeculectomy with controls (also 53 patients) who had no history of glaucoma surgery.

    Exclusion criteria included other intraocular surgeries except cataract extraction or those who had missing study parameters.

    Each SLT treatment was 50 spots across 180° of trabecular meshwork.

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