Evidence map›Paper›PMID 33894759›Full record

ArticleBMC ophthalmology2021

Comparison of 5-year outcomes between trabeculectomy combined with phacoemulsification and trabeculectomy followed by phacoemulsification: a retrospective cohort study.

Shogo Arimura, Kentaro Iwasaki, Yusuke Orii, Yoshihiro Takamura, Masaru Inatani

Open access · goldAbstract read
In one paragraph

Article in BMC ophthalmology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 10% 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

8 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Efficacy and Safety of the PreserfloJournal of clinical medicine · 2026
    Article
  4. Article
  5. Review
  6. Article
  7. Risk factors for Ex-PressInternational ophthalmology · 2023
    Article
  8. 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

5 authors at 1 institution in 1 country.

Shogo ArimuraDepartment of Ophthalmology, Faculty of Medical Science, University of Fukui, Yoshida, 23-3 Simoaizuki, Matsuoka, Fukui, Japan.
Kentaro IwasakiDepartment of Ophthalmology, Faculty of Medical Science, University of Fukui, Yoshida, 23-3 Simoaizuki, Matsuoka, Fukui, Japan.
Yusuke OriiDepartment of Ophthalmology, Faculty of Medical Science, University of Fukui, Yoshida, 23-3 Simoaizuki, Matsuoka, Fukui, Japan.
Yoshihiro TakamuraDepartment of Ophthalmology, Faculty of Medical Science, University of Fukui, Yoshida, 23-3 Simoaizuki, Matsuoka, Fukui, Japan.
Masaru InataniDepartment of Ophthalmology, Faculty of Medical Science, University of Fukui, Yoshida, 23-3 Simoaizuki, Matsuoka, Fukui, Japan. inatani@u-fukui.ac.jp.
University of Fukui · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWe aimed to compare the outcomes of trabeculectomy combined with phacoemulsification and those of trabeculectomy followed by phacoemulsification.

methodsA total of 141 patients with primary open-angle glaucoma, exfoliation glaucoma, and glaucoma secondary to uveitis glaucoma who underwent trabeculectomy followed by (n = 48) or combined with (n = 93) phacoemulsification were included. We analyzed data collected from the Collaborative Bleb-Related Infection Incidence and Treatment Study, a prospective cohort study conducted in 34 clinical centers that included 1249 eyes. The main outcome was the cumulative probability of success based on intraocular pressure (IOP) within 5 years. Surgical failure was defined as a case in which additional glaucoma surgery is required or one of the following criteria are met: preoperative IOP > 21 (A), > 18 (B), or > 15 mmHg (C). The secondary outcomes were cumulative probability of success, risk factors of surgical failure, and Δ visual acuity. However, the data on phacoemulsification during the 5-year follow-up were censored.

resultsNo significant difference was found in the cumulative probability of success as the main outcome. When the data on phacoemulsification during the 5-year follow-up were censored, the probabilities of success of trabeculectomy followed by phacoemulsification were significantly higher for criteria A (p = 0.02), B (p <  0.01), and C (p <  0.01). Lower preoperative IOP, younger age, and trabeculectomy combined with phacoemulsification were associated with poorer outcome. Trabeculectomy followed by phacoemulsification had significantly worse Δ logMAR visual acuity at 6 and 12 months (p <  0.01).

conclusionThe cumulative probability of success after trabeculectomy combined with or followed by phacoemulsification remained unchanged. Combining phacoemulsification with trabeculectomy adversely affected the cumulative probability of success after trabeculectomy. The visual acuity improvements observed in the early postoperative period after combining phacoemulsification with trabeculectomy disappeared within 5 years.

Indexed as

PhacoemulsificationTrabeculectomyHumansIntraocular PressureProspective StudiesRetrospective StudiesTreatment OutcomeLong-term outcomePhacoemulsificationTrabeculectomy

Identifiers

PMID33894759
PMCPMC8066976
OpenAlexW3158020260

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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.