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ECP effective for uncontrolled IOP with prior aqueous tube shunt

J Glaucoma. 2011;20(8):523-527

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Use of endoscopic cyclophotocoagulation appears to be effective among patients with uncontrolled IOP who had a prior aqueous tube shunt, according to a study.

Researchers conducted a prospective, nonrandomized, interventional trial to evaluate the safety and efficacy of ECP over 360° when used for treating uncontrolled glaucoma in patients with a prior aqueous tube shunt.

Twenty-five eyes of 25 consecutive glaucoma patients were followed for up to 2 years. Patients had IOP greater than 21 mm Hg on maximal medications or IOP of 21 mm Hg or less but were intolerant to medical therapy or were on an oral carbonic anhydrase inhibitor.

At 1 year postop, mean IOP decreased from 24.02 mm Hg to 15.36 mm Hg, according to the study results; the mean difference was -7.7 mm Hg (-30.8%). Before laser, the mean number of medications was 3.2; it was 1.5 at 12 months (P < .001).

The success rate at 12 months among 18 participants was 88%, and it remained at that rate until the end of the follow-up at 2 years.

No serious complications were observed.