Evidence map›Paper›PMID 34050406›Full record

ArticleInternational ophthalmology2021

Multicenter case series of standalone XEN implant vs. combination with phacoemulsification in Turkish patients.

Muhsin Eraslan, Altan Atakan Özcan, Volkan Dericioğlu, Emine Çiloğlu

Abstract readMulticenter Study
PubMed Publisher
In one paragraph

Article in International ophthalmology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
1.3field-weighted citation impact, top 22% of its field
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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.

  1. Pooled it
  2. Cystoid macular edema as a predictor for bleb failure after combined XEN45 Gel Stent implantation with phacoemulsification.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026
    Article
  3. Review
  4. Combined versus standalone XEN45 Gel Stent implantation in either phakic or pseudophakic patients: a case-matched study.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2024
    Article
  5. Review
  6. Review
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

4 authors at 2 institutions in 1 country.

Muhsin Eraslan *Department of Ophthalmology, Marmara University School of Medicine, Marmara Universitesi Pendik Egitim Arastirma Hastanesi Goz Hastaliklari Anabilim Dali Departmani Fevzi Cakmak Mah. Muhsin Yazicioglu Cad. No: 10 Ust Kaynarca/Pendik, Istanbul, 34890, Turkey.ORCID https://orcid.org/0000-0002-1829-3329
Altan Atakan Özcan *Department of Ophthalmology, Çukurova University School of Medicine, Adana, Turkey.ORCID https://orcid.org/0000-0002-5563-8234
Volkan DericioğluDepartment of Ophthalmology, Marmara University School of Medicine, Marmara Universitesi Pendik Egitim Arastirma Hastanesi Goz Hastaliklari Anabilim Dali Departmani Fevzi Cakmak Mah. Muhsin Yazicioglu Cad. No: 10 Ust Kaynarca/Pendik, Istanbul, 34890, Turkey. volkandr@gmail.com.ORCID http://orcid.org/0000-0001-6264-5304
Emine ÇiloğluDepartment of Ophthalmology, Adana City Training and Research Hospital, Adana, Turkey.ORCID https://orcid.org/0000-0002-1266-3333
Marmara Üniversitesi Eğitim ve Araştırma Hastanesi · TRCukurova University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo evaluate and compare the efficacy, safety and needling timing and rates of standalone XEN implant vs. combination with phacoemulsification in Turkish patients.

methodsRetrospective, multicenter study which included the data of patients, who had open angle glaucoma including primary open angle glaucoma and pseudoexfoliation glaucoma, underwent standalone XEN implantation (XEN alone) and combined surgery with phacoemulsification (XEN + Phaco) between 2016 and 2018.

resultsThe study included 26 eyes of 24 patients in XEN alone group and 32 eyes of 30 patients in XEN + Phaco group. The mean intraocular pressure (IOP) was 23.3 ± 6.0 mmHg and 24.4 ± 7.4 mmHg at baseline (p = 0.838), and it reduced to 16.3 ± 3.0 mmHg and 16.4 ± 2.3 mmHg at 12-month follow-up (p = 0.436) in XEN alone and XEN + Phaco groups, respectively (reduction: %30 and %33, P = 0.642). The mean number of medications reduced from 2.9 + 0.7 before surgery to 0.9 + 0.9 on month 12. In XEN alone and XEN + Phaco groups, the needling rates were 42.3% and 31.2% (p = 0.491), and the mean time to needling was 3.7 ± 3.2 months and 4.9 ± 8.0 months (p = 0.696), respectively. Hypotonia (17.2%) and hyphema (10.3%) were the most frequent complications, respectively. In XEN alone and XEN + Phaco groups, partial success was achieved in 73.1% and 71.9% of eyes when defined as IOP < 18 mmHg with any medication, respectively (p = 0.920).

conclusionThe XEN implant provides significant reduction in IOP and number of medications, either standalone or combination with phacoemulsification. Both procedures need intensive postoperative care, requiring needling in approximately one-third of patients.

Indexed as

Glaucoma Drainage ImplantsGlaucoma, Open-AnglePhacoemulsificationHumansIntraocular PressureRetrospective StudiesStentsTonometry, OcularTreatment OutcomeGlaucoma surgeryMinimally invasive glaucoma surgeryPhacoemulsificationPrimary open angle glaucomaXEN implant

Identifiers

PMID34050406
OpenAlexW3164168431

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.