Klinische Monatsblatter fur Augenheilkunde · 2024
Efficacy, Confounders and Safety of the Preserflo Microshunt.
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Altas Cemre, Fuchsluger Thomas A, Brockmann Tobias, Graumüller Anna, Walckling Marcus
Аннотация
BACKGROUND: Glaucoma is a leading cause of blindness worldwide. We evaluated the efficacy, confounders, and safety of the Preserflo Microshunt over a one-year follow-up period.
METHODS: In this retrospective monocentric study, 111 eyes were evaluated. 83 eyes had primary open angle glaucoma, and 28 eyes secondary open angle glaucoma. Intraocular pressure (IOP), visual acuity, number of glaucoma medications, complications, and reoperations were evaluated postoperatively, at 1, 3, 6, 9, and 12 months. The influence of age, sex, type of glaucoma, previous surgery and lens status was also analysed. Bleb revision was indicated if corrected IOP exceeded 18 mmHg.
RESULTS: Intraocular pressure significantly decreased from 24.50 ± 8.94 to 14.62 ± 4.86 mmHg (4 - 32 mmHg; p < 0.001), the number of medications from 3.19 ± 1.14 to 0.98 ± 1.39 (0 - 4; p < 0.001). Confounders of interest did not affect efficacy. Bleb revision was performed in 22.5% of eyes and a cyclophotocoagulation was performed in 9.9% of eyes. Complete surgical success (IOP ≤ 17 mmHg, IOP reduction ≥ 20%, without medication) was achieved in 36.9% (n = 41) and qualified success (with medication) in 51.4% (n = 57) of eyes. Transient hypotension (≤ 5 mmHg) occurred in 19.8% after primary implantation and in 1.8% after bleb revision (duration ≤ 3 months).
CONCLUSION: To date, the Preserflo Microshunt has demonstrated good efficacy and a low risk profile.
METHODS: In this retrospective monocentric study, 111 eyes were evaluated. 83 eyes had primary open angle glaucoma, and 28 eyes secondary open angle glaucoma. Intraocular pressure (IOP), visual acuity, number of glaucoma medications, complications, and reoperations were evaluated postoperatively, at 1, 3, 6, 9, and 12 months. The influence of age, sex, type of glaucoma, previous surgery and lens status was also analysed. Bleb revision was indicated if corrected IOP exceeded 18 mmHg.
RESULTS: Intraocular pressure significantly decreased from 24.50 ± 8.94 to 14.62 ± 4.86 mmHg (4 - 32 mmHg; p < 0.001), the number of medications from 3.19 ± 1.14 to 0.98 ± 1.39 (0 - 4; p < 0.001). Confounders of interest did not affect efficacy. Bleb revision was performed in 22.5% of eyes and a cyclophotocoagulation was performed in 9.9% of eyes. Complete surgical success (IOP ≤ 17 mmHg, IOP reduction ≥ 20%, without medication) was achieved in 36.9% (n = 41) and qualified success (with medication) in 51.4% (n = 57) of eyes. Transient hypotension (≤ 5 mmHg) occurred in 19.8% after primary implantation and in 1.8% after bleb revision (duration ≤ 3 months).
CONCLUSION: To date, the Preserflo Microshunt has demonstrated good efficacy and a low risk profile.