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Age a factor in IOP reduction after trabeculotomy

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SHIMANE, Japan — Advanced age seems to be a favorable factor for successful control of IOP after trabeculotomy and cataract surgery, according to a study here. Older patients with primary open-angle glaucoma and visually significant cataract are good candidates for combined trabeculotomy and cataract surgery, the study authors said.

Researchers here studied 141 eyes with primary open-angle glaucoma (POAG) or ocular hypertension; 105 eyes underwent combined trabeculotomy and cataract surgery, and 36 eyes underwent cataract surgery alone. The combined procedure was a significant factor for IOP reduction. Other factors included patient age, preoperative IOP level and postoperative IOP spike.

Success rates for controlling IOP to levels below 17 mm Hg and below 15 mm Hg were significantly higher in patients 70 years old or older than in younger patients. IOP reduction was significantly greater in older patients than in younger patients at every follow-up visit for up to 18 months for the combined surgery group and up to 1 year for the cataract-surgery-only group.

The study is published in the February issue of Journal of Glaucoma.