Evidence map›Paper›PMID 33603332›Full record

ArticleClinical ophthalmology (Auckland, N.Z.)2021

Kahook Dual Blade Goniotomy vs iStent

Thorsteinn S Arnljots, Mario A Economou

Open access · goldAbstract read
In one paragraph

Article in Clinical ophthalmology (Auckland, N.Z.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
4.5field-weighted citation impact, top 5% 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

20 citing papers in PubMed, 31 citations in OpenAlex.

  1. Preliminary Outcomes of iStent Inject vs Kahook Dual Blade Goniotomy Combined With Phacoemulsification: A Randomized Controlled Trial.Medical science monitor : international medical journal of experimental and clinical research · 2026
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  7. Visual Function After Schlemm's Canal-Based MIGS.Journal of clinical medicine · 2025
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  19. Comments on the Article by Arnljots and Economou [Letter].Clinical ophthalmology (Auckland, N.Z.) · 2021
    Article
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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 at 2 institutions in 1 country.

Thorsteinn S ArnljotsAnterior Segment Department, St. Erik Eye Hospital, Stockholm, Sweden.ORCID 0000-0002-0327-6649
Mario A EconomouDivision of Ophthalmology and Vision, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Sophiahemmet Hospital · SES:t Eriks Ögonsjukhus · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeEfficacy and safety evaluation of Kahook Dual Blade (KDB) goniotomy vs iStent MATERIALS AND

methodsRetrospective study in patients that underwent goniotomy with KDB or iStent

resultsA total of 29 patients (30 eyes) were included in the iStent

conclusionAll KDB and iStent subgroups except the stand-alone iStent

Indexed as

glaucoma surgerygoniotomyiStent injectKahook Dual BladeMIGS

Identifiers

PMID33603332
PMCPMC7884935
OpenAlexW3128645761

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.