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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Ophthalmol 2017 ; 2017 (ä): ä Nephropedia Template TP
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Intraocular Pressure, Axial Length, and Refractive Changes after Phacoemulsification and Trabeculectomy for Open-Angle Glaucoma #MMPMID28660076
Popa-Cherecheanu A; Iancu RC; Schmetterer L; Pirvulescu R; Coviltir V
J Ophthalmol 2017[]; 2017 (ä): ä PMID28660076show ga
Purpose: To compare changes in intraocular pressure (IOP), axial eye length (AEL), and refractive outcome in primary open-angle glaucoma patients undergoing cataract surgery and trabeculectomy in dependence of the sequence of surgeries. Materials and Methods: We retrospectively analysed 48 eyes. The changes in refraction, intraocular pressure, and axial eye length were analysed after surgery. In group A (21 subjects), phacoemulsification was performed before trabeculectomy, and in group B (27 subjects), trabeculectomy was performed before phacoemulsification with a minimum time span between interventions of 6 months. Results: The reduction in IOP and the decrease in AEL after trabeculectomy were significant after 6 and 12 months postsurgery (p < 0.001 each). The decrease in AEL was 0.42?±?0.11% at 6 months after surgery and 0.40?±?0.13% after 12 months from surgery; this decrease in AEL was comparable between the groups. The refractive outcome was significantly different between the groups (group A: 0.35?±?0.75?dpt, group B: ?0.05?±?0.36?dpt, p = 0.018); in group A, trabeculectomy caused a hyperopic shift of 0.34?±?0.44?dpt (p = 0.002) at 12 months postsurgery. Conclusion: IOP reduction after trabeculectomy causes AEL shortening. The effect on refractive outcome depends on the sequence of surgeries. Better refractive outcome is achieved if phacoemulsification is performed after trabeculectomy.