Table 2

MBF and Hemodynamicslegend legend

AAIDDD
MBF-60MBF-90MBF-60MBF-90MBF (DDD→AAI)-60
Blood flow (mL·g−1·min−1)
LAD0.57 ± 0.140.80 ± 0.100.55 ± 0.130.80 ± 0.160.61 ± 0.18
LCX0.65 ± 0.190.92 ± 0.120.59 ± 0.140.80 ± 0.190.64 ± 0.18
RCA0.60 ± 0.180.82 ± 0.120.49 ± 0.170.66 ± 0.240.59 ± 0.19
Septum0.52 ± 0.150.75 ± 0.140.47 ± 0.160.69 ± 0.160.59 ± 0.13
Global mean0.59 ± 0.150.82 ± 0.090.53 ± 0.130.74 ± 0.170.61 ± 0.15
Systolic BP (mm Hg)126 ± 19142 ± 21127 ± 22134 ± 22134 ± 31
Diastolic BP (mm Hg)70 ± 1678 ± 1369 ± 1181 ± 1469 ± 11
RPP (mm Hg·beats per min)7,780 ± 1,46012,752 ± 1,8507,845 ± 1,73212,066 ± 2,0098,209 ± 2,253
  • legend Within group comparisons:

  • p < 0.01 versus MBF-60;

  • p < 0.0005 versus MBF-60.

  • legend AAI = single chamber atrial pacemaker; BP = blood pressure; DDD = dual chamber pacemaker; LAD = left anterior descending artery; LCX = left circumflex artery; MBF = myocardial blood flow; RCA = right coronary artery; RPP = rate pressure product = heart rate·systolic BP.