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- Title
Long-term results of the safety and effectiveness of a novel microshunt in Japanese patients with primary open-angle glaucoma.
- Authors
Ahmed, Tazbir; Honjo, Megumi; Sakata, Rei; Fujishiro, Takashi; Shirato, Shiroaki; Aihara, Makoto
- Abstract
Purpose: To evaluate the long-term safety and effectiveness of the Preserflo MicroShunt in Japanese primary open-angle glaucoma (POAG) patients. Study design: Single-site, nonrandomized observational study. Patients and methods: Eight eyes of 7 POAG patients were included. The surgical complications and interventions were monitored. The preoperative and postoperative intraocular pressures (IOPs), numbers of antiglaucoma medications, logarithm of the minimum angle of resolution visual acuity (VA), mean deviation (MD) slope, and corneal endothelial cell density (CECD) were compared retrospectively. Results: The mean follow-up period was 68.9 months (range, 48–76 months). The baseline IOP of 17.9 ± 3.5 mmHg and the number of glaucoma medications of 3.5 ± 0.5 were significantly reduced at subsequent follow-up visits. At 1, 2, 3, 4, 5, and 6 years postoperatively, the IOPs were 13.8 ± 2.9, 12.8 ± 2.3, 12.1 ± 3.2, 12.6 ± 2.5, 12.3 ± 1.0, and 13.5 ± 3.1 mmHg, respectively, with the use of 1.6 ± 1.4, 1.6 ± 1.6, 1.5 ± 1.4, 1.5 ± 1.4, 1.9 ± 1.3, and 2.0 ± 1.1 medications. Postoperative transient hyphema occurred in 1 eye. Postoperative needling was required in 5 eyes, 12 times in total. No eyes showed significant VA decline, except for 1 eye with a severe central visual field defect that existed preoperatively. The preoperative MD slope of − 1.6 ± 1.2 dB/year improved significantly, to − 0.3 ± 0.2 dB/year (P = 0.023), postoperatively. The baseline CECD decreased from 2595 ± 292 to 2478.4 ± 255 postoperatively. Conclusion: The microshunt surgical procedure is safe and effective for Japanese POAG patients.
- Subjects
OPEN-angle glaucoma; JAPANESE people; TRABECULECTOMY; SCOTOMA; INTRAOCULAR pressure; SURGICAL complications; VISUAL acuity
- Publication
Japanese Journal of Ophthalmology, 2022, Vol 66, Issue 1, p33
- ISSN
0021-5155
- Publication type
Article
- DOI
10.1007/s10384-021-00893-x