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Planar Imaging Versus Gated Blood-Pool SPECT for the Assessment of Ventricular Performance: A Multicenter Study

Mark W. Groch, E. Gordon DePuey, Allan C. Belzberg, William D. Erwin, Mohammad Kamran, Charles A. Barnett, Robert C. Hendel, Stewart M. Spies, Amjad Ali and Robert C. Marshall

Northwestern University Medical School, Chicago; Rush-Presbyterian-St. Luke’s Medical Center, Chicago; Rush University, Chicago, Illinois; St. Luke’s-Roosevelt Hospital, New York; Columbia University, New York, New York; St. Paul’s Hospital, Vancouver, British Columbia; University of British Columbia, Vancouver, British Columbia, Canada; VA Medical Center, Martinez; University of California-Davis, Davis; and Lawrence Berkeley National Laboratory, Berkeley, California



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  		FIGURE 1. Three-dimensional surface-shaded (A) and volume-rendered (B) images at selected long-axis projection. End-diastolic birdcage (A) is used as reference for assessment of RWM.

 


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  		FIGURE 2. LVEF determined by GBPS (ordinate) vs. LVEF determined by planar ERNA (abscissa). Line of linear regression (top) and line of identity (bottom) are shown.

 


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  		FIGURE 3. Bland–Altman plot of GBPS LVEF vs. planar ERNA LVEF, along with fit (Y = 0.13x + 0.61) of data. AVG. = average; DIFF = difference; EF = ejection fraction; PLAN = planar.

 


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  		FIGURE 4. GBPS LVEF determined by operator 1 (ordinate) vs. GBPS LVEF determined by operator 2 (abscissa). Line of identity is shown.

 


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  		FIGURE 5. Three possible views (long-axis [A], anterior [B], and left lateral [C] equivalents), at end-diastole, of 3D Gouraud surface-shaded display showing left and right ventricles and pulmonary trunk.

 




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