Dark papillary muscles sign: a novel prognostic marker for cardiac magnetic resonance.
Giovanni Donato AquaroCarmelo De GoriGiulia GrilliRoberto LicordariAndrea BarisonGiancarlo TodiereUmberto IanniMatteo ParolloCrysanthos GrigoratosLuca RestivoAntonio De LucaLorenzo FaggioniDania CioniGianfranco SinagraGianluca Di BellaEmanuele NeriPublished in: European radiology (2023)
• Papillary muscle abnormalities are seen in patients with ventricular arrhythmias and preserved left ventricular ejection fraction. • Early post-contrast hypointensity of papillary muscles in end-systolic cine images (Dark-Paps) is a novel prognostic marker in patients with ventricular arrhythmias and preserved ejection fraction. • Dark-Paps had an additive prognostic role over late gadolinium enhancement and non-sustained ventricular tachycardia.
Keyphrases
- ejection fraction
- left ventricular
- aortic stenosis
- magnetic resonance
- clear cell
- heart failure
- hypertrophic cardiomyopathy
- contrast enhanced
- cardiac resynchronization therapy
- acute myocardial infarction
- left atrial
- mitral valve
- congenital heart disease
- deep learning
- optical coherence tomography
- convolutional neural network
- magnetic resonance imaging
- computed tomography
- aortic valve