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KMID : 1813520220110020108
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Journal of the Korean Glaucoma Society
2022 Volume.11 No. 2 p.108 ~ p.116
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Outcomes of XEN Glaucoma Implant According to XEN Length in Anterior Chamber
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Kim Seong-Ah
Park Chan-Kee
Park Hae-Young Lopilly
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Abstract
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Purpose : To evaluate clinical outcomes of XEN glaucoma implant according to XEN length in anterior chamber (AC) in open angle glaucoma.
Methods : This retrospective study analyzed patients who underwent XEN glaucoma implant in Seoul St. Mary’s hospital from September 2020 to May 2021, and they were observed for 12-months. We defined longer XEN in AC as XEN length longer than 2.3 mm in AC.
Results : Forty eyes were included in this study. There was significant reduction of intraocular pressure (IOP) for -21.4 (17.5-25.3), -14.8 (7.4-22.3), -13.3 (7.4-19.1), -14.9 (10.8-18.9), -14.2 (9.8-18.7), -13.905 mmHg (8.4-19.5) at day (D) 1, week (W) 1, month (M) 1, M3, M6, and M12 respectively (all p < 0.001). There was no significant difference of mean IOP at pre-operation, D1, W1, M1, M3, M6, and M12 between XEN length longer and shorter than 2.3 mm in AC. There was no difference of number of post-operative IOP-lowering medication, needling, and secondary glaucoma operation between groups (p = 0.594, p = 0.057, and p = 0.256). There was no significant correlation between XEN lengh in AC and IOP at 1 month and 12 months after operation (p = 0.752 and p = 0.565).
Conclusions : XEN length in AC did not seem to significantly impact on success and safety outcomes.
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KEYWORD
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Anterior chamber, Implant position, Minimally invasive glaucoma surgery
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