Volume 23 Issue 8
Aug.  2025
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Article Navigation >  Chinese Journal of General Practice  > 2025  >  23(8): 1303-1307
LIN Leilei, DONG Nannan, WEI Liqing, PAN Weihua, CHEN Ding. Efficacy of KDB ab-interno trabeculectomy for glaucoma[J]. Chinese Journal of General Practice, 2025, 23(8): 1303-1307. doi: 10.16766/j.cnki.issn.1674-4152.004120
Citation: LIN Leilei, DONG Nannan, WEI Liqing, PAN Weihua, CHEN Ding. Efficacy of KDB ab-interno trabeculectomy for glaucoma[J]. Chinese Journal of General Practice, 2025, 23(8): 1303-1307. doi: 10.16766/j.cnki.issn.1674-4152.004120
shu

Efficacy of KDB ab-interno trabeculectomy for glaucoma

doi: 10.16766/j.cnki.issn.1674-4152.004120
  • 1.

    Ophthalmology Center, National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, China

Funds:

 2022KY907

  • Received Date: 2024-12-25
    Available Online: 2025-10-31
    Abstract
  •   Objective  To explore the safety and efficacy of internal trabeculectomy with double-blade trabeculectomy net (KDB) in glaucoma, and to provide a reference for the selection of glaucoma treatment methods.  Methods  From December 2019 to August 2021, 28 patients who underwent KDB internal trabeculectomy at the Eye Hospital of Wenzhou Medical University were divided into 22 patients with open-angle glaucoma (OAG) according to the types of glaucoma (OAG group). There were two groups: 23 eyes and 6 patients after phacoemulsification and cataract extraction combined with anterior chamber angle separation (Phaco-GSL) for angle-closure glaucoma (ACG group, 7 eyes). Compare the intraocular pressure, visual acuity, types of intraocular pressure-lowering drugs used, complications, postoperative visual field changes and anterior chamber angle adhesions, and success rates (complete, conditional success rate, strictly complete, strict conditional success rate) between the two groups.  Results  The postoperative visual acuity in the OAG group (0.28±0.05) was superior to 0.61±0.12 that in the ACG group (F=9.358, P < 0.05). The percentage of affected eyes with intraocular pressure drop ≥20% from baseline, percentage of affected eyes with intraocular pressure≤18 mmHg (1 mmHg=0.133 kPa), and percentage of affected eyes without using antiglaucoma drugs were significantly higher in the OAG group than those in the ACG group (P < 0.05). The mean deviation (MD) and visual field index (VFI) were significantly reduced compared to baseline values, with statistical differences (P < 0.05). No statistical differences were exhibited in the incidence rates of four kinds of complications between groups (P>0.05).  Conclusion  KDB ab-interno trabeculectomy for glaucoma can effectively reduce intraocular pressure, reduce the types of antiglaucoma drugs, and improve the visual field defects.

     

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