Original ResearchPrincipal Morphomic and Functional Components of Secondary Mitral Regurgitation
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Central Illustration
Key Words
atrial functional mitral regurgitation
heart failure with reduced ejection fraction
secondary mitral regurgitation
Abbreviations and Acronyms
EROA
effective regurgitant orifice area
HFrEF
heart failure with reduced ejection fraction
LA
left atrial
LV
left ventricular
MV
mitral valve
PCVmax
principal components after varimax rotation
PISA
proximal isovelocity surface area
RA
right atrial
RegVol
regurgitant volume
RegFrac
regurgitant fraction
sMR
secondary mitral regurgitation
TR
tricuspid regurgitation
VCW
vena contracta width
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Drs Bartko and Heitzinger contributed equally to this work and are joint first authors.
© 2021 by the American College of Cardiology Foundation. Published by Elsevier.