Evidence map›Paper›PMID 34751659›Full record

ArticleJournal of medical Internet research2021

Using Artificial Intelligence With Natural Language Processing to Combine Electronic Health Record's Structured and Free Text Data to Identify Nonvalvular Atrial Fibrillation to Decrease Strokes and Death: Evaluation and Case-Control Study.

Peter L Elkin, Sarah Mullin, Jack Mardekian, Christopher Crowner, Sylvester Sakilay, Shyamashree Sinha, Gary Brady, Marcia Wright, Kimberly Nolen, JoAnn Trainer and 6 more

Open access · goldAbstract read
In one paragraph

Article in Journal of medical Internet research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 2 pooled it
4.2field-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

23 citing papers in PubMed, 2 syntheses or guidelines pooled it, 38 citations in OpenAlex.

  1. AI Quality Standards in Health Care: Rapid Umbrella Review.Journal of medical Internet research · 2024
    Pooled it
  2. Pooled it
  3. Review
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  8. Semantic Relations: Extending SNOMED CT and Solor.Applied clinical informatics · 2025
    Article
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  13. Data science and artificial intelligence in biology, health, and healthcare.Journal of clinical and translational science · 2025
    Article
  14. Article
  15. [Artificial intelligence in wearable electrocardiogram monitoring].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2023
    Article
  16. Article
  17. Article
  18. Article
  19. Effectiveness of Using the FreeStyle LibreDiagnostics (Basel, Switzerland) · 2023
    Review
  20. 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

16 authors at 3 institutions in 2 countries.

Peter L Elkin *Department of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0001-9616-6811
Sarah MullinDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-5246-2202
Jack MardekianPfizer, Inc., New York, NY, United States.ORCID 0000-0003-4851-5161
Christopher CrownerDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0003-4735-321X
Sylvester SakilayDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-6684-6311
Shyamashree SinhaDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-3279-6387
Gary BradyPfizer, Inc., New York, NY, United States.ORCID 0000-0002-2833-1333
Marcia WrightPfizer, Inc., New York, NY, United States.ORCID 0000-0002-4243-9738
Kimberly NolenPfizer, Inc., New York, NY, United States.ORCID 0000-0001-8821-254X
JoAnn TrainerPfizer, Inc., New York, NY, United States.ORCID 0000-0003-4050-4249
Ross KoppelDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-8235-9900
Daniel SchlegelDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-3922-3231
Sashank KaushikDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0001-9060-4243
Jane ZhaoDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0003-1664-2035
Buer SongDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0003-4870-523X
Edwin AnandDepartment of Biomedical Informatics, University at Buffalo, Buffalo, NY, United States.ORCID 0000-0002-1594-8043
University at Buffalo, State University of New York · USPfizer (United States) · USUniversity of Southern Denmark · DK

Funding

University of Buffalo Clinical and Translational Science Institute - Supplement SchulyerUL1TR001412 · NCATS · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI MURPHY, TIMOTHY F · 2015 to 2024
$33.8M
MEDICAL INFORMATICS RESEARCH TRAINING AT YALET15LM007056 · NLM · YALE UNIVERSITY · PI Mark Bender Gerstein, LUCILA OHNO-MACHADO · 1987 to 2026
$22.2M
National Library of Medicine Conference 2022T15LM012495 · NLM · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI PETER L. ELKIN · 2017 to 2026
$4.3M
Anesthesiology Research Training ProgramT32GM099607 · NIGMS · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI KNIGHT III, PAUL R · 2012 to 2021
$1.8M
Pain Medication Prescriptions and Misuse Following Treatment for Alcohol Use DisordersR33AA026954 · NIAAA · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI ELKIN, PETER L., LEONARD, KENNETH E · 2020 to 2022
$1.0M
Pain Medication Prescriptions and Misuse Following Treatment for Alcohol Use DisordersR21AA026954 · NIAAA · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI ELKIN, PETER L., LEONARD, KENNETH E · 2018 to 2019
$386k
NCATS NIH HHS UL1 TR001412NIAAA NIH HHS R21 AA026954NIAAA NIH HHS R33 AA026954NIGMS NIH HHS T32 GM099607NLM NIH HHS T15 LM007056NLM NIH HHS T15 LM012495
6 · The paper itself

Abstract

backgroundNonvalvular atrial fibrillation (NVAF) affects almost 6 million Americans and is a major contributor to stroke but is significantly undiagnosed and undertreated despite explicit guidelines for oral anticoagulation.

objectiveThe aim of this study is to investigate whether the use of semisupervised natural language processing (NLP) of electronic health record's (EHR) free-text information combined with structured EHR data improves NVAF discovery and treatment and perhaps offers a method to prevent thousands of deaths and save billions of dollars.

methodsWe abstracted 96,681 participants from the University of Buffalo faculty practice's EHR. NLP was used to index the notes and compare the ability to identify NVAF, congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke or transient ischemic attack, vascular disease, age 65 to 74 years, sex category (CHA

resultsThe structured-plus-unstructured method would have identified 3,976,056 additional true NVAF cases (P<.001) and improved sensitivity for CHA

conclusionsArtificial intelligence-informed bio-surveillance combining NLP of free-text information with structured EHR data improves data completeness, prevents thousands of strokes, and saves lives and funds. This method is applicable to many disorders with profound public health consequences.

Indexed as

Atrial FibrillationStrokeAgedAnticoagulantsArtificial IntelligenceCase-Control StudiesElectronic Health RecordsHumansNatural Language ProcessingRisk AssessmentRisk FactorsAnticoagulantsafibartificial intelligenceatrial fibrillationbio-surveillancebleed riskCHA2DS2-VAScHAS-BLEDnatural language processingNVAFstroke risk

Identifiers

PMID34751659
PMCPMC8663460
OpenAlexW3178799865

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.