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Comparative study between deep sclerectomy with and without collagen implant: long term follow up
T Shaarawy1, C Nguyen, C Schnyder
1Department of Ophthalmology, Hôpital Ophtalmique Jules Gonin, University of Lausanne, Avenue de France 15, CH-1004 Lausanne, Switzerland. Shaarawy@glaucoma-surgery.com
The British Journal of Ophthalmology
|December 25, 2003
Summary
Adding a collagen implant to deep sclerectomy significantly improves glaucoma treatment outcomes. This surgical enhancement reduces intraocular pressure and the need for postoperative medications, offering better long-term results for patients.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Glaucoma Research
Background:
- Open-angle glaucoma requires effective surgical interventions to manage intraocular pressure (IOP).
- Deep sclerectomy (DS) is a surgical procedure used to treat glaucoma.
- The efficacy of adjuncts in DS procedures is an area of ongoing investigation.
Purpose of the Study:
- To evaluate the clinical value of incorporating a collagen implant (CI) during deep sclerectomy (DS).
- To compare the outcomes of DS with and without a collagen implant in patients with open-angle glaucoma.
Main Methods:
- A prospective randomized trial involving 104 patients with medically uncontrolled open-angle glaucoma.
- Patients underwent deep sclerectomy (DS), with half receiving a collagen implant (CI) sutured into the scleral bed.
- Outcomes measured included intraocular pressure (IOP), visual acuity, medication use, and Nd:YAG goniopunctures.
Main Results:
- The deep sclerectomy with collagen implant (DSCI) group showed a greater IOP reduction (50%) compared to the DS group (40%) at 48 months.
- Complete success rates (IOP < 21 mmHg without medication) were significantly higher in the DSCI group (63.4%) versus the DS group (34.6%).
- The DSCI group required significantly less postoperative medication (0.4 vs 1.0 medications).
Conclusions:
- The use of a collagen implant in deep sclerectomy (DS) significantly enhances surgical success rates for glaucoma.
- Incorporating a collagen implant reduces the reliance on postoperative medications.
- Collagen implants represent a valuable addition to deep sclerectomy procedures for managing open-angle glaucoma.