Evidence map›Paper›PMID 31611015›Full record

ArticleOphthalmology2020

Endophthalmitis after Cataract Surgery in the United States: A Report from the Intelligent Research in Sight Registry, 2013-2017.

Suzann Pershing, Flora Lum, Stephen Hsu, Scott Kelly, Michael F Chiang, William L Rich, David W Parke

Abstract read
In one paragraph

Article in Ophthalmology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed, 2 pooled it
18.8field-weighted citation impact, top 1% 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

72 citing papers in PubMed, 2 syntheses or guidelines pooled it, 161 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Article
  5. Article
  6. Metagenomic next-generation sequencing for comprehensive pathogen detection in intraocular infection.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2026
    Article
  7. Article
  8. Article
  9. Incidence and clinical characteristics of acute infectious endophthalmitis after approximately 2.03 million cataract surgeries in China over a 5-year period (2017-2021).Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026
    Article
  10. Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Review
  16. Article
  17. Review
  18. Review
  19. Article
  20. Article

12 more citing papers are in PubMed but not listed here.

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

7 authors at 3 institutions in 1 country.

Suzann PershingByers Eye Institute, Department of Ophthalmology, Stanford University School of Medicine, Palo Alto, California; Veterans Affairs Palo Alto Health Care System, Palo Alto, California. Electronic address: pershing@stanford.edu.
Flora LumAmerican Academy of Ophthalmology, San Francisco, California.
Stephen HsuAmerican Academy of Ophthalmology, San Francisco, California.
Scott KellyAmerican Academy of Ophthalmology, San Francisco, California.
Michael F ChiangCasey Eye Institute, Department of Ophthalmology, Oregon Health & Science University, Portland, Oregon.
William L RichAmerican Academy of Ophthalmology, San Francisco, California.
David W ParkeAmerican Academy of Ophthalmology, San Francisco, California.
American Academy of Ophthalmology · USOregon Health & Science University · USVA Palo Alto Health Care System · US

Funding

Proteomics CoreP30EY010572 · NEI · OREGON HEALTH & SCIENCE UNIVERSITY · PI TED S ACOTT · 1995 to 2026
$19.4M
Impact and outcomes of cataract surgery among patients with Alzheimer's DiseaseR03AG056453 · NIA · STANFORD UNIVERSITY · PI PERSHING, SUZANN · 2017 to 2018
$236k
NEI NIH HHS P30 EY010572NIA NIH HHS R03 AG056453
6 · The paper itself

Abstract

purposeTo determine recent incidence and visual outcomes for acute-onset endophthalmitis after cataract surgery performed in the United States.

designRetrospective cohort study.

participantsUnited States cataract surgery patients, 2013-2017 (5 401 686 patients).

methodsCases of acute-onset postoperative endophthalmitis occurring within 30 days after cataract surgery were identified using diagnosis codes in the American Academy of Ophthalmology IRIS (Intelligent Research in Sight) Registry database, drawn from electronic health records in ophthalmology practices across the nation. Annual and aggregate 5-year incidences were determined for all cataract surgeries and specifically for standalone procedures versus those combined with other ophthalmic surgeries. Patient characteristics were compared. Mean and median visual acuity was determined at 1 month preoperative as well as 1 week, 1 month, and 3 months postoperative among patients with and without endophthalmitis.

main outcome measuresIncidence of acute-onset postoperative endophthalmitis after cataract surgery.

resultsA total of 8 542 838 eyes underwent cataract surgery, 3629 of which developed acute-onset endophthalmitis (0.04%; 95% confidence interval, 0.04%-0.04%). Endophthalmitis incidence was highest among patients aged 0 to 17 years (0.37% over 5 years), followed by patients aged 18 to 44 years (0.18% over 5 years; P < 0.0001). Endophthalmitis occurred 4 times more often after combined cases (cataract with other ophthalmic procedures) than after standalone cataract surgeries (0.20% vs. 0.04% of cases), and occurred in 0.35% of patients receiving anterior vitrectomy. Mean 3-month postoperative visual acuity was 20/100 (median, 20/50) among endophthalmitis patients, versus a mean of approximately 20/40 (median, 20/30) among patients without endophthalmitis. However, 4% of endophthalmitis patients still achieved 20/20 or better visual acuity, and 44% achieved 20/40 or better visual acuity at 3 months.

conclusionsAcute-onset endophthalmitis occurred in 0.04% of 8 542 838 cataract surgeries performed in the United States between 2013 and 2017. Risk factors may include younger age, cataract surgery combined with other ophthalmic surgeries, and anterior vitrectomy. Visual acuity outcomes vary; however, patients can recover excellent vision after surgery. Big data from clinical registries like the IRIS Registry has great potential for evaluating rare conditions such as endophthalmitis, including developing benchmarks, longer-term time trend investigation, and comprehensive analysis of risk factors and prophylaxis.

Indexed as

Postoperative ComplicationsAcute DiseaseAdolescentAdultAgedAged, 80 and overCataract ExtractionChildChild, PreschoolElectronic Health RecordsEndophthalmitisFemaleHumansIncidenceInfantInfant, Newborn

Identifiers

PMID31611015
PMCPMC12313552
OpenAlexW3006000724

What OpenQuestion holds

Textmetadata
LicenceTDM
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.