Evidence map›Paper›PMID 37898711›Full record

ArticleNPJ digital medicine2023

Diagnostic accuracy of point-of-care ultrasound with artificial intelligence-assisted assessment of left ventricular ejection fraction.

Pouya Motazedian, Jeffrey A Marbach, Graeme Prosperi-Porta, Simon Parlow, Pietro Di Santo, Omar Abdel-Razek, Richard Jung, William B Bradford, Miranda Tsang, Michael Hyon and 7 more

Abstract read
In one paragraph

Article in NPJ digital medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
–field-weighted citation impact
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

25 citing papers in PubMed.

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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

17 authors.

Pouya Motazedian *CAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Jeffrey A Marbach *Division of Cardiology, Knight Cardiovascular Institute, Oregon Health and Sciences University, Portland, OR, USA.ORCID http://orcid.org/0000-0002-0479-6785
Graeme Prosperi-PortaCAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Simon ParlowCAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Pietro Di SantoCAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Omar Abdel-RazekCAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Richard JungCAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
William B BradfordDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.ORCID http://orcid.org/0000-0003-4752-2677
Miranda TsangDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
Michael HyonDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
Stefano PacificiDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
Sharanya MohantyDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
F Daniel RamirezDivision of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.ORCID http://orcid.org/0000-0002-4350-1652
Gordon S HugginsDivision of Cardiology, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
Trevor SimardDepartment of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA.
Stephanie HonDivision of Pulmonary and Critical Care Medicine, Tufts Medical Center and Tufts University School of Medicine, Boston, MA, USA.
Benjamin HibbertDepartment of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA. Hibbert.Benjamin@mayo.edu.ORCID http://orcid.org/0000-0003-0906-1363

Funding

CTSA Graduate ProgramTL1TR002546 · NCATS · TUFTS UNIVERSITY BOSTON · PI KENT, DAVID M · 2018 to 2022
$4.2M
Tufts BIRCWH ProgramK12AR084217 · NIAMS · TUFTS UNIVERSITY BOSTON · PI Karen Freund, Iris Z Jaffe · 2023 to 2026
$2.5M
NCATS NIH HHS TL1 TR002546NIAMS NIH HHS K12 AR084217
6 · The paper itself

Abstract

Focused cardiac ultrasound (FoCUS) is becoming standard practice in a wide spectrum of clinical settings. There is limited data evaluating the real-world use of FoCUS with artificial intelligence (AI). Our objective was to determine the accuracy of FoCUS AI-assisted left ventricular ejection fraction (LVEF) assessment and compare its accuracy between novice and experienced users. In this prospective, multicentre study, participants requiring a transthoracic echocardiogram (TTE) were recruited to have a FoCUS done by a novice or experienced user. The AI-assisted device calculated LVEF at the bedside, which was subsequently compared to TTE. 449 participants were enrolled with 424 studies included in the final analysis. The overall intraclass coefficient was 0.904, and 0.921 in the novice (n = 208) and 0.845 in the experienced (n = 216) cohorts. There was a significant bias of 0.73% towards TTE (p = 0.005) with a level of agreement of 11.2%. Categorical grading of LVEF severity had excellent agreement to TTE (weighted kappa = 0.83). The area under the curve (AUC) was 0.98 for identifying an abnormal LVEF (<50%) with a sensitivity of 92.8%, specificity of 92.3%, negative predictive value (NPV) of 0.97 and a positive predictive value (PPV) of 0.83. In identifying severe dysfunction (<30%) the AUC was 0.99 with a sensitivity of 78.1%, specificity of 98.0%, NPV of 0.98 and PPV of 0.76. Here we report that FoCUS AI-assisted LVEF assessments provide highly reproducible LVEF estimations in comparison to formal TTE. This finding was consistent among senior and novice echocardiographers suggesting applicability in a variety of clinical settings.

Identifiers

PMID37898711
PMCPMC10613290

What OpenQuestion holds

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Registered trials

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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.