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Deep sclerectomy comparable to trabeculectomy in pressure lowering

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LAUSANNE, Switzerland — Deep sclerectomy with collagen implant lowered intraocular pressure similarly to trabeculectomy but with a lower rate of early postoperative complications, a 2-year study found.

Researchers here conducted a nonrandomized prospective trial of 20 patients with either uncontrolled primary or secondary open-angle glaucoma. Patients had undergone trabeculectomy in one eye, and subsequently deep sclerectomy with collagen implant was performed in the second eye. Mean follow-up was 24 months after deep sclerectomy.

Mean IOP at 24 months was 14 mm Hg for deep sclerectomy and 13 mm Hg for trabeculectomy. The sclerectomy group had an IOP reduction of about 40% compared with a 56% IOP reduction in the trabeculectomy group. The sclerectomy group had 50% less hyphema and choroidal detachment than the trabeculectomy group.

The study is published in the Journal of Glaucoma.