ArticleBMC ophthalmology2020
Cataract and glaucoma combined surgery: XEN® gel stent versus nonpenetrating deep sclerectomy, a pilot study.
Article in BMC ophthalmology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 3 syntheses or guidelines pooled it, 14 citations in OpenAlex.
- Minimally Invasive Bleb Surgery for Glaucoma: A Health Technology Assessment.Ontario health technology assessment series · 2024Pooled it
- The efficacy of XEN gel stent implantation in glaucoma: a systematic review and meta-analysis.BMC ophthalmology · 2022Pooled it
- The Outcomes of XEN Gel Stent Implantation: A Systematic Review and Meta-Analysis.Frontiers in medicine · 2022Pooled it
- Commentary on: Nonpenetrating deep sclerectomy in advanced open-angle glaucoma.Indian journal of ophthalmology · 2025Article
- Effectiveness and Safety of Xen Gel Stent in Glaucoma Surgery: A Systematic Review of the Literature.Journal of clinical medicine · 2023Review
- Intraocular Pressure and Medication Changes Associated with Xen Gel Stent: A Systematic Review of the Literature.Clinical ophthalmology (Auckland, N.Z.) · 2023Review
- XEN Gel Stent Implantation in Eyes With Previous Glaucoma Filtering Surgeries: A Case Series.Cureus · 2022Article
- Minimally Invasive Glaucoma Surgery: Safety of Individual Devices.Journal of clinical medicine · 2022Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo compare the efficacy of phacoemulsification (PKE) combined with nonpenetrating deep sclerectomy (NPDS) with mitomycin C (MMC) versus XEN® gel stent with MMC.
methodsIn this nonrandomized, retrospective, comparative, single-center pilot study, 105 consecutive eyes of 75 patients with uncontrolled primary open-angle glaucoma (POAG) and cataract who underwent PKE combined with either XEN implantation (n = 47) or NPDS (n = 58) between May 2013 and November 2018 were included. The primary outcome was complete success at 9 months, which was defined as intraocular pressure (IOP) ≤18, 15 or 12 mmHg without treatment; qualified success was IOP ≤18, 15 or 12 mmHg with antiglaucoma medications. Secondary outcome measures included the number of antiglaucoma medications, visual acuity (VA), and postoperative adverse events.
resultsUsing the 18 mmHg threshold, complete or qualified success was achieved in 69.6 and 89.1% in the PKE + XEN group, and 63.8 and 89.7% in the PKE + NPDS group (p = .54 and p = .93), respectively, at 9 months. The mean IOP decreased from 20.8 ± 6.8 mmHg to 16.2 ± 2.8 mmHg in the PKE + XEN group (p < .001, 18.9% mean drop), and from 21.5 ± 8.9 mmHg to 14.9 ± 3.9 mmHg in the PKE + NPDS group (p < .001, 25.6% mean drop). Best-corrected VA significantly improved (p < .001) in both groups. The mean number of antiglaucoma medications was significantly reduced from 2.66 ± 1.1 to 0.49 ± 1.0 in the PKE + XEN group (p < .001) and from 2.93 ± 0.9 to 0.69 ± 1.2 in the PKE + NPDS group (p < .001).
conclusionsThe XEN stent combined with PKE seemed to be as effective and safe as PKE + NPDS at 9 months in this pilot study.
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Registered trials
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