SELF ENGINEERED ACRY C IMPLANT IN NON-PENETRATING GLAUCOMA SURGERY
Abstract
Objective: Analysis of safety and efficacy of self engineered polymethylmethacrylate (Acry C) implants in Non-Penetrating Glaucoma surgery (NPGS) for control and maintenance of intraocular pressure in Primary Open Angle Glaucoma (POAG) patients.
Design: A Hospital based Randomized study Participants: 0 eyes of 50 POAG patients, divided in 3 groups based on preoperative IOP range.
Materials: NPGS was done with polymethylmethacrylate implants made from haptics of intraocular lenses. All patients were followed up after 1 week, 1 month, 3 months, 6 months and 12 months. Post-operative success was defined as IOP <21 mm Hg at 1 month in absence of additional anti glaucoma medication or other treatment.
Results: A significant reduction in intraocular pressure was observed post-surgery in all three groups, changing from a preoperative mean of 25.62 ±1.72 mm Hg, 34.38 ± 2.27 mm Hg and 41.66 ± 1.15 mm Hg to a postoperative mean of 13.27±2.13 mm Hg, 16.50 ± 2.74 mm Hg and 17.66 ± 1.52 mm Hg respectively (P<0.001) at 12 months. No significant difference was seen with change in position of the implant i.e. convexity facing limbus or fornix. No intraoperative complications were observed. The main postoperative complication was failure of filtration in 1 case (3.44%) from group 1, 5 cases (27.78%) from Group 2 and all 3 cases (100%) from Group 3 at 1 month postoperatively. Thus, 9 eyes (41 %) required postoperative anti glaucoma medications following which the intraocular pressure was controlled.
Conclusion: NPGS with Acry - C implants is a safe and cost effective (less than one U.S. dollar) procedure for control of Intraocular pressure in POAG patients especially those with moderately elevated intraocular pressures.
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References
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