Needling revision of failed filtering blebs after trabeculectomy: a retrospective study
- 22 September 2003
- journal article
- Published by Wiley in Acta Ophthalmologica Scandinavica
- Vol. 81 (6), 577-582
- https://doi.org/10.1046/j.1395-3907.2003.0126.x
Abstract
Purpose: To determine the efficacy and safety of needling revision of failed filtering blebs. Methods: We reviewed retrospectively 26 eyes that had undergone needling revision for a failed trabeculectomy. The needling revisions were performed either with adjunctive use of Mitomycin C, 5‐Fluorouracil or without antimetabolites. The procedure was usually performed as a clinic procedure, using a 27‐gauge needle. Results: The mean follow‐up time was 14.5 ± 11.3 months (range 6.0–48.0 months). Intraocular pressure (IOP) decreased from 28.8 ± 6.8 mmHg (range 19.0–40.0 mmHg) to 15.3 ± 5.2 mmHg (range 7.0–35.0 mmHg). Twelve eyes (46.2%) achieved success, defined as IOP ≤ 18 mmHg without medication; 11 eyes (42.3%) achieved qualified success, defined as IOP ≤ 18 mmHg with antiglaucomatous medication, and three of 26 eyes (11.5%) were classified as failures. The success rate after the initial needling was 64% at 6 months and the same after 1 year and 2 years. The success rate after one or more needlings was 96% at 6 months and 77% at 1 year and 2 years. Complications developed in six of the 26 eyes (23.1%). These involved transient corneal epithelial defects in three eyes (11.5%), temporary conjunctival wound leak in two eyes (7.7%), and development of bullous keratopathy in one high risk eye (3.8%). Conclusion: Our results are comparable to the results of other studies. Needling revision appears to be a useful tool in the management of glaucoma.Keywords
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