Evidence map›Paper›PMID 31830935›Full record

ArticleBMC ophthalmology2019

XEN® stent complications: a case series.

Chandni Gupta, Divya Mathews

Abstract readCase Reports
In one paragraph

Article in BMC ophthalmology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Article
  2. Review
  3. Long-Term Morphological Changes of Crosslinked Gelatin Stent.Clinical & experimental ophthalmology · 2025
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. How to Rescue of the Dislocated XENJournal of current ophthalmology
    Article
  10. Ethics of Glaucoma Widgets.Journal of current glaucoma practice
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Chandni GuptaStanley Eye Unit, Abergele Hospital, Llanfair Road Abergel Conwy, Abergele, Wales, LL22 8DP.
Divya MathewsStanley Eye Unit, Abergele Hospital, Llanfair Road Abergel Conwy, Abergele, Wales, LL22 8DP. div_mat29@yahoo.co.uk.ORCID http://orcid.org/0000-0003-0036-8860

Funding

Betsi Cadwaladr University Health Board TC00521957
6 · The paper itself

Abstract

backgroundXEN® gel stent (Allergan, Dublin/Republic of Ireland) is a relatively new microinvasive glaucoma device providing an ab-interno approach to the subconjunctival space for aqueous drainage and reduction of intraocular pressure. It is thought to be less invasive, reduce surgical time and post-operative infection rates compared with traditional glaucoma procedures. Little information however, has been published regarding complications and subsequent management. CASE PRESENTATION: The authors highlight five complicated cases of XEN® stent insertion, how they were managed and key learning points. Cases include: entire stent found at the bottom of the anterior chamber several months after uncomplicated insertion, stent broke into multiple pieces during manipulation within subconjunctiva, XEN45 stent migrated into the anterior chamber 7 months post-operatively and a case of limbal-based conjunctival dissection during open revision which lead to additional scarring around the stent and subsequent raised intraocular pressure.

conclusionsWe present some new and interesting complications of XEN implant as well as potential management options. This can assist clinical decision-making and enable better pre-operative discussions with patients regarding risks of surgery.

Indexed as

AgedAged, 80 and overAlkylating AgentsAnterior Eye SegmentAqueous HumorGlaucoma Drainage ImplantsGlaucoma, Open-AngleHumansIntraocular PressureMaleMiddle AgedMitomycinOphthalmologic Surgical ProceduresProsthesis ImplantationStentsTonometry, OcularAlkylating AgentsMitomycinGlaucomaMIGSXEN

Identifiers

PMID31830935
PMCPMC6909486

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.