Evidence map›Paper›PMID 41823230›Full record

ArticleJournal of the American Heart Association2026

Implications of the 2024 American Heart Association Classification of Cardiac Sarcoidosis: Characteristics and Outcome of Patients Across the Continuum of Diagnostic Likelihood.

Henriikka Mälkönen, Jukka Lehtonen, Pauli Pöyhönen, Valtteri Uusitalo, Mikko I Mäyränpää, Markku Kupari

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Article in Journal of the American Heart Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Henriikka MälkönenHeart and Lung Center Helsinki University Hospital and University of Helsinki Helsinki Finland.ORCID 0009-0002-7698-0896
Jukka LehtonenHeart and Lung Center Helsinki University Hospital and University of Helsinki Helsinki Finland.ORCID 0000-0001-7637-6061
Pauli PöyhönenHeart and Lung Center Helsinki University Hospital and University of Helsinki Helsinki Finland.ORCID 0000-0002-3031-5391
Valtteri UusitaloClinical Physiology and Nuclear Medicine Helsinki University Hospital and University of Helsinki Helsinki Finland.ORCID 0000-0001-7345-7122
Mikko I MäyränpääDepartment of Pathology, University of Helsinki, and Diagnostic Center Helsinki University Hospital Helsinki Finland.ORCID 0000-0002-0877-9640
Markku KupariHeart and Lung Center Helsinki University Hospital and University of Helsinki Helsinki Finland.ORCID 0000-0002-5813-3477

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere is no universal agreement on the diagnostic criteria for cardiac sarcoidosis (CS). In 2024, the American Heart Association (AHA) introduced a new diagnostic scheme featuring a quaternary likelihood stratification for CS instead of dichotomy. Its clinical implications are unknown.

methodsWe analyzed 252 patients with CS and proven histology (mean age, 49 years; 61% women). Following the AHA diagnostic stratification, CS was retrospectively considered definite given sarcoid granulomas on myocardial biopsy (n=109), highly probable with both clinical and cardiac imaging findings being CS consistent (n=93), and probable with either clinical or imaging findings alone being CS consistent (n=50). The groups were compared for clinical characteristics and the composite incidence of death, transplantation, implantation of a left ventricular assist device, and ventricular tachyarrhythmia on follow-up (median, 5.0 years).

resultsIn AHA definite, highly probable, and probable CS: 94%, 99%, and 22% of patients (

conclusionsThe 2024 AHA stratification of CS likelihood distinguishes groups with differences in clinical characteristics but did not have independent prognostic value in our statistical analysis.

Indexed as

CardiomyopathiesMyocardiumSarcoidosisAdultAmerican Heart AssociationBiopsyFemaleHeart TransplantationHumansMaleMiddle AgedPredictive Value of TestsPrognosisRetrospective StudiesTachycardia, VentricularUnited Statescardiomyopathydiagnosisinflammatoryprognosissarcoidosis, cardiac

Identifiers

PMID41823230
PMCPMC13055670

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