Comparison of MBF Parameters Obtained by Including All 17 LV Segments vs. Only Segments 4–17
Parameter | Segments 1–17 | Segments 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 |
MFR | 2.11 ± 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 MBF | 39% ± 10%* | 31% ± 10% |
%SD of stress MBF | 42% ± 12%* | 32% ± 11% |
%SD of MFR | 28% ± 18%* | 25% ± 10% |
↵* Paired t test P < 0.0001 vs. segments 4–17.