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Ophthalmology. 2001 Feb;108(2):254-8.

Primary viscocanalostomy versus trabeculectomy in white patients with open-angle glaucoma: A randomized clinical trial.

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1
Department of Ophthalmology, University of Cologne, Cologne, Germany.

Abstract

PURPOSE:

To compare viscocanalostomy, a nonpenetrating procedure for glaucoma treatment, with trabeculectomy.

DESIGN:

Randomized controlled trial.

PARTICIPANTS:

Twenty white subjects (20 eyes) with open-angle glaucoma with no history of surgery were enrolled.

METHODS:

Ten subjects were randomly assigned to viscocanalostomy according to Stegmann's technique and 10 subjects to a modified Cairns trabeculectomy. A complete ophthalmologic examination was performed the day before surgery and postoperatively. Further visits were scheduled monthly for 6 to 8 months after surgery.

MAIN OUTCOME MEASURES:

Success was defined as intraocular pressure (IOP) between 7 and 20 mmHg, with no medication.

RESULTS:

After a mean follow-up of 6 months (range, 6-8 months), success was obtained in 5 of 10 cases in the trabeculectomy group and in no case in the viscocanalostomy group. With Kaplan-Meier's method, subjects with viscocanalostomy showed shorter postoperative IOP-reduction periods than subjects undergoing trabeculectomy.

CONCLUSIONS:

According to the results of this short-term study, trabeculectomy was more effective than viscocanalostomy in lowering IOP in glaucomatous eyes of white patients.

Comment in

PMID:
11158795
DOI:
10.1016/s0161-6420(00)00514-5
[Indexed for MEDLINE]

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