Annals of Optometry and Contact Lens 2019;18(3):81-85.
Published online September 25, 2019.
한국인 원발개방각녹내장에서 iStent를 사용한 최소 침습 수술의 효과와 안정성
채수혜, 이태헌, 이경헌, 류진영
성모안과병원
Efficacy and Safety of iStent Trabecular Microbypass Stent in Open Angle Glaucoma in Korean
Sue Hey Chae, Tae Heon Lee, Kyung Heon Lee, Jin Young Rhew
Sungmo Eye Hospital, Busan, Korea
Received: 16 July 2019   • Revised: 28 August 2019   • Accepted: 16 September 2019
Abstract
Purpose: To evaluate efficacy and safety of the iStent Trabecular Micro-Bypass stent used as the sole procedure in patients with primary open-angle glaucoma (POAG).
Methods: Retrospective, consecutive case series involving 12 Korean patients, 12 eyes with POAG that were implanted with 1 iStent trabecular micro-bypass stent. Data were collected preoperatively, and at 1, 3, and 6 months, 12 months, postoperatively. Data included intraocular pressure (IOP), visual acuity test and slit lamp examination.
Results: Mean preoperative IOP was 20.6 ± 4.4 mmHg and significantly decreased in 16.3 ± 2.5 mmHg at three months (p < 0.05), in 16.6 ± 3.6 mmHg at 12 months postoperatively (p < 0.05). The mean number of glaucoma medications was 1.83 ± 0.25 preoperatively and 1.58 ± 0.30 (p < 0.05) at 12 months postoperatively. No significant changes in visual acuity were noted. The most common complications comprised mild hyphema in 3 eyes, mild uveitis in 4 eyes and transient IOP spike in 3 eyes on postoperative day 1 and all instances were medically well controlled.
Conclusions: The significat IOP reduction after iStent insertion in Korean patients occurred after one week of operation. An IOP reduction from baseline occurred at 12 months after implantation of iStent.
Key Words: Glaucoma; Glaucoma filtration implants; iStent; Intraocular pressure
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