TABLE 1.

Summary of PTF, Dev, and PTI Values for Each Segment

SegmentMBFp (mL/min/g)MBFt (mL/min/mL)PTF (g/mL)Dev (g/mL)PTI
Lateral wall
 Whole area (n = 12)1.12 ± 0.700.60 ± 0.340.49 ± 0.100.48 ± 0.091.02 ± 0.11
Anterior wall
 Whole area (n = 8)0.48 ± 0.220.19 ± 0.140.31 ± 0.130.48 ± 0.050.62 ± 0.24
 (with transmural MI, n = 5)NS 0.50 ± 0.33NS 0.17 ± 0.14P < 0.05 0.26 ± 0.11NS 0.50 ± 0.09NS 0.52 ± 0.20
 (with nontransmural MI, n = 3)NS 0.64 ± 0.21NS 0.30 ± 0.16P < 0.05 0.41 ± 0.11NS 0.52 ± 0.05NS 0.79 ± 0.20
 MI center (n = 8)0.62 ± 0.290.10 ± 0.100.16 ± 0.120.32 ± 0.140.44 ± 0.22
 (with transmural MI, n = 5)NS 0.56 ± 0.33P < 0.05 0.04 ± 0.03P < 0.05 0.10 ± 0.07NS 0.27 ± 0.15P < 0.05 0.33 ± 0.16
 (with nontransmural MI, n = 3)NS 0.72 ± 0.24P < 0.05 0.19 ± 0.11P < 0.05 0.25 ± 0.14NS 0.39 ± 0.12P < 0.05 0.63 ± 0.19
Septum
 Whole area (n = 12)0.85 ± 0.470.45 ± 0.250.47 ± 0.080.48 ± 0.050.98 ± 0.08
 Normal wall motion (n = 8)P < 0.01 1.00 ± 0.40P < 0.05 0.52 ± 0.22NS 0.46 ± 0.06NS 0.49 ± 0.04NS 0.94 ± 0.05
 Dysfunctional (n = 4)P < 0.01 0.41 ± 0.17P < 0.05 0.22 ± 0.10NS 0.48 ± 0.08NS 0.52 ± 0.06NS 0.91 ± 0.09

  • NS = not statistically significant.

  • Only open chest studies are selected for anterior wall region.