Cardiac Magnetic Resonance Imaging in COVID-19 Vaccine-Associated Myocarditis Compared With Classical Myocarditis.
COVID-19 vaccination
MRI
myocarditis
Journal
JACC. Advances
ISSN: 2772-963X
Titre abrégé: JACC Adv
Pays: United States
ID NLM: 9918419284106676
Informations de publication
Date de publication:
Dec 2023
Dec 2023
Historique:
received:
06
03
2023
revised:
26
07
2023
accepted:
01
09
2023
medline:
28
6
2024
pubmed:
28
6
2024
entrez:
28
6
2024
Statut:
epublish
Résumé
Studies comparing COVID-19 vaccine-associated and classical myocarditis (CM) are lacking. The purpose of this study was to compare cardiac magnetic resonance (CMR) imaging findings and short-term clinical outcomes in patients with messenger RNA COVID-19 postvaccination myocarditis (PVM) and CM. This was a retrospective study of patients with myocarditis: 31 with PVM and 46 with CM. Patients underwent a CMR protocol scan including T1 and T2 sequences. Late gadolinium enhancement (LGE) was expressed as percentage of left ventricular myocardial mass and the extracellular volume was calculated based on precontrast and postcontrast T1 images. Clinical outcomes included heart failure hospitalizations and mortality. Study patients were predominantly male (81% in PVM vs 89% in CM, Our study shows similar CMR imaging findings and short-term outcomes in PVM and CM, although PVM was associated with milder myocardial abnormalities and more frequent pericardial involvement.
Sections du résumé
Background
UNASSIGNED
Studies comparing COVID-19 vaccine-associated and classical myocarditis (CM) are lacking.
Objectives
UNASSIGNED
The purpose of this study was to compare cardiac magnetic resonance (CMR) imaging findings and short-term clinical outcomes in patients with messenger RNA COVID-19 postvaccination myocarditis (PVM) and CM.
Methods
UNASSIGNED
This was a retrospective study of patients with myocarditis: 31 with PVM and 46 with CM. Patients underwent a CMR protocol scan including T1 and T2 sequences. Late gadolinium enhancement (LGE) was expressed as percentage of left ventricular myocardial mass and the extracellular volume was calculated based on precontrast and postcontrast T1 images. Clinical outcomes included heart failure hospitalizations and mortality.
Results
UNASSIGNED
Study patients were predominantly male (81% in PVM vs 89% in CM,
Conclusions
UNASSIGNED
Our study shows similar CMR imaging findings and short-term outcomes in PVM and CM, although PVM was associated with milder myocardial abnormalities and more frequent pericardial involvement.
Identifiants
pubmed: 38938491
doi: 10.1016/j.jacadv.2023.100726
pii: S2772-963X(23)00749-4
pmc: PMC11198221
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100726Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors have reported that they have no relationships relevant to the contents of this paper to disclose.