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Ejection fraction by radionuclide ventriculography and contrast left ventriculogram

A tale of two techniques

Pedro E. Ureña, MD^*, Gervasio A. Lamas, MD^*, Gary Mitchell, MD, Greg C. Flaker, MD, Sidney C. Smith, Jr., MD, DPhil, ChD, Frans J. Wackers, MD^||, Patricia McEwan, MD^¶, Marc A. Pfeffer, MD, PhD for the SAVE investigators

^* Division of Cardiology, Mount Sinai Medical Center, Miami Beach, Florida, and the University of Miami School of Medicine, Miami, Florida, USA
Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
University of Missouri Hospitals and Medical School, Columbia, Missouri, USA
University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
^|| Yale University School of Medicine, New Haven, Connecticut, USA
^¶ University of Toronto, Department of Cardiology, Toronto, Canada

View larger version (22K): [in a new window]   Figure 1 Scattergram of area-based EF (Cath-EFa) and volume-based EF (Cath-EF); R = 0.96, p < 0.001.

View larger version (25K): [in a new window]   Figure 2 Scattergram of area-based EF (Cath-EFa) and radionuclide ventriculographic EF (RVG-EF); R = 0.42, p < 0.001).

View larger version (23K): [in a new window]   Figure 3 Bar graphs showing the relationship between EF tercile measured by either RVG (RVG-EF) or catheterization (Cath-EFa) and the first occurrence of severe congestive heart failure (CHF) or death. See text for EF boundaries defining terciles.