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. 2024 Apr 10;78(4):922-929.
doi: 10.1093/cid/ciae033.

External Validation of the 2023 Duke-International Society for Cardiovascular Infectious Diseases Diagnostic Criteria for Infective Endocarditis

Thomas W van der Vaart  1   2   3 , Patrick M M Bossuyt  4 , David T Durack  2 , Larry M Baddour  5   6 , Arnold S Bayer  7   8 , Emanuele Durante-Mangoni  9 , Thomas L Holland  2   3 , Adolf W Karchmer  10 , Jose M Miro  11   12 , Philippe Moreillon  13 , Magnus Rasmussen  14 , Christine Selton-Suty  15   16 , Vance G Fowler Jr  2   3 , Jan T M van der Meer  1
Affiliations

External Validation of the 2023 Duke-International Society for Cardiovascular Infectious Diseases Diagnostic Criteria for Infective Endocarditis

Thomas W van der Vaart et al. Clin Infect Dis. .

Abstract

Background: The 2023 Duke-International Society of Cardiovascular Infectious Diseases (ISCVID) criteria for infective endocarditis (IE) were introduced to improve classification of IE for research and clinical purposes. External validation studies are required.

Methods: We studied consecutive patients with suspected IE referred to the IE team of Amsterdam University Medical Center (from October 2016 to March 2021). An international expert panel independently reviewed case summaries and assigned a final diagnosis of "IE" or "not IE," which served as the reference standard, to which the "definite" Duke-ISCVID classifications were compared. We also evaluated accuracy when excluding cardiac surgical and pathologic data ("clinical" criteria). Finally, we compared the 2023 Duke-ISCVID with the 2000 modified Duke criteria and the 2015 and 2023 European Society of Cardiology (ESC) criteria.

Results: A total of 595 consecutive patients with suspected IE were included: 399 (67%) were adjudicated as having IE; 111 (19%) had prosthetic valve IE, and 48 (8%) had a cardiac implantable electronic device IE. The 2023 Duke-ISCVID criteria were more sensitive than either the modified Duke or 2015 ESC criteria (84.2% vs 74.9% and 80%, respectively; P < .001) without significant loss of specificity. The 2023 Duke-ISCVID criteria were similarly sensitive but more specific than the 2023 ESC criteria (94% vs 82%; P < .001). The same pattern was seen for the clinical criteria (excluding surgical/pathologic results). New modifications in the 2023 Duke-ISCVID criteria related to "major microbiological" and "imaging" criteria had the most impact.

Conclusions: The 2023 Duke-ISCVID criteria represent a significant advance in the diagnostic classification of patients with suspected IE.

Keywords: Duke criteria; diagnosis; infective endocarditis; validation.

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Conflict of interest statement

Potential conflicts of interest. L. M. B. reports consulting fees from Boston Scientific and Roivant Sciences; UpToDate royalty payments, paid to the author (authorship duties); and consultant duties, paid to the author, from Botanix Pharmaceuticals. A. S. B. reports research grants from the National Institute of Allergy and Infectious Diseases, Akagera Medicines, ContraFect, and Riovant Pharmaceuticals and payment for expert testimony from Harrison, Skemp & Sleik and Patrick J. Higgins, Law. E. D. M. reports research funding for his institution from MSD, Pfizer, Angelini, Infectopharm, and Advanz Pharma; grants or contracts from Menarini and Shionogi; and personal fees, fees for participation on advisory boards, or speaker honoraria from Roche, Genentech, Pfizer, MSD, Angelini, Advanz Pharma, Bio-Merieux, Shionogi, Menarini, AbbVie, Sanofi-Aventis, Medtronic, Trx, and DiaSorin; and a role as secretary of the International Society for Cardiovascular Infectious Diseases. T. L. H. reports grants or contracts from Karius (adjudication committee) and the National Institutes of Health; royalties or licenses from UpToDate; consulting fees from Aridis, Pfizer, Lysovant, and Affinivax; and participation on a data and safety monitoring board for a platform trial for the SNAP Trial and on an advisory board for Basilea. A. W. K. reports a research grant from Karius (investigator-initiated grant to study plasma cell-free pathogen DNA in patients with endocarditis or infected cardiac implantable electronic device (CIEDs) having the intravascular site of infection removed); honoraria from Pfizer for service on a data and safety monitoring board; personal fees for consulting from Debio Pharma; royalties from UpToDate for chapters on infected CIEDs and prosthetic valve endocarditis; ownership of stock options in Pfizer, AbbVie, and Johnson & Johnson; and payment or honoraria for a chapter on infective endocarditis from McGraw-Hill education. J. M. M. reports consulting honoraria and/or research grants from Angelini, Contrafect, Cubist, Genentech, Gilead Sciences, Jansen, Lysovant, Medtronic, MSD, Novartis, Pfizer, and ViiV Healthcare, outside the submitted work. P. M. reports support for meeting fees and travel as a member of the organizing committee (no direct payment) for the 16th International Society for Cardiovascular Infectious Diseases Symposium in Barcelona, Spain, 18–22 June 2022. V. G. F. reports personal fees from Novartis, Debiopharm, Genentech, 374 Achaogen, Affinium, The Medicines Company, MedImmune, Bayer, Basilea, Affinergy, Janssen, Contrafect, Regeneron, Destiny, Amphliphi Biosciences, Integrated Biotherapeutics, C3J, Armata, Valanbio, Akagera, Aridis, Roche, and Pfizer, grants from the National Institutes of Health, MedImmune, Allergan, Pfizer, Advanced Liquid Logics, Theravance, Novartis, Merck, Medical Biosurfaces, Locus, Affinergy, Contrafect, Karius, Genentech, Regeneron, Deep Blue, Basilea, and Janssen; royalties from UpToDate; stock options from Valanbio and ArcBio; honoraria from the Infectious Diseases Society of America for service as the associate editor of Clinical Infectious Diseases; a sepsis diagnostics patent pending; and support from Contrafect for presenting phase 2 data at the 2019 European Congress of Clinical Microbiology and Infectious Diseases. All other authors report no potential conflicts. All authors have submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Conflicts that the editors consider relevant to the content of the manuscript have been disclosed.

Figures

Graphical Abstract
Graphical Abstract
This graphical abstract is also available at Tidbit: https://tidbitapp.io/tidbits/external-validation-of-the-2023-duke-international-society-for-cardiovascular-infectious-diseases-diagnostic-criteria-for-infective-endocarditis/update
Figure 1.
Figure 1.
Added value of each change in the Duke–International Society of Cardiovascular Infectious Diseases (ISCVID) criteria compared with the modified Duke criteria. Each point (square for sensitivity, circle for specificity) provides the diagnostic accuracy measure for the 2000 modified Duke criteria with the addition of a specific change from the Duke-ISCVID criteria. Horizontal bars represent 95% confidence intervals for the point estimates; top points, modified Duke criteria without addition; bottom points, complete Duke-ISCVID criteria.
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