TABLE 1

Comparison of MBF Parameters Obtained by Including All 17 LV Segments vs. Only Segments 4–17

ParameterSegments 1–17Segments 4–17
Rest MBF (mL/g/min)0.78 ± 0.50*0.85 ± 0.54
Stress MBF (mL/g/min)1.50 ± 0.88*1.67 ± 0.96
MFR2.11 ± 1.00*2.16 ± 1.00
Rest CVR (mm Hg/mL/g/min)159 ± 86*147 ± 81
Stress CVR (mm Hg/mL/g/min)85 ± 52*76 ± 48
%SD of rest MBF39% ± 10%*31% ± 10%
%SD of stress MBF42% ± 12%*32% ± 11%
%SD of MFR28% ± 18%*25% ± 10%
  • * Paired t test P < 0.0001 vs. segments 4–17.