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PURPOSE: To study prospectively the success rate and complications of deep sclerectomy with collagen implant (DSCI), a nonpenetrating filtration procedure, in patients with glaucoma and high myopia. METHODS: This nonrandomized prospective trial comprised 21 eyes of 21 highly myopic patients with medically uncontrolled primary or secondary open-angle glaucoma. Visual acuity, intraocular pressure (IOP), and slit-lamp examinations were performed before as well as one and seven days and one, three, six, nine, 12, 18, 24, 30, 36, 42, 48, 54, 60, and 66 months postoperatively. Visual field examinations were repeated every six months. Exclusion criteria were known allergy to collagen, advanced lens opacity, and eye surgery or laser trabeculoplasty less than six months before enrolment. RESULTS: The mean follow-up was 44.0 ± 17.1 months (SD). The mean preoperative IOP of 26.4 ± 5.9 mmHg had dropped to 10.4 ± 6.1 mmHg at 48 months. Eighty-one percent of patients achieved an IOP below 21 mmHg with or without medication at 48 months. Thirty-eight percent had an IOP below 21 mmHg without medication. The mean number of medications per patient was reduced from 2.30 ± 0.85 to 0.86 ± 0.91. CONCLUSIONS: DSCI provided reasonable control of IOP in patients with glaucoma and high myopia over a long-term follow-up. There were relatively few postoperative complications.
Dr A. Mermoud, Hôpital Ophtalmique Jules Gonin, Avenue de France 15, CH-1004 Lausanne, Switzerland. mhamel@freesurf.ch
12.8.3 Non-perforating (Part of: 12 Surgical treatment > 12.8 Filtering surgery)