Table 1

Hemodynamics

BaselineEnd of OcclusionReperfusion, min
10203060
LCX flow, ml/min16 ± 40 ± 016 ± 516 ± 516 ± 516 ± 4
Heart rate, beats/min126.1 ± 18.1127.7 ± 21.1127.6 ± 18.9127.4 ± 18.1125.5 ± 18.4126.2 ± 19.4
LV systolic pressure, mm Hg102.3 ± 15.291.1 ± 16.4105.9 ± 14.1103.6 ± 14.1103.7 ± 14.3104.1 ± 17.0
LV end-diastolic pressure, mm Hg7.4 ± 2.310.5 ± 1.56.7 ± 1.76.7 ± 1.86.6 ± 1.96.5 ± 2.0
dP/dtmax, mm Hg/s1,514 ± 2901,472 ± 3561,678 ± 2831,647 ± 2701,639 ± 2531,721 ± 278
dP/dtmin, mm Hg/s−1,974 ± 487−1,491 ± 509−2,101 ± 564−2,097 ± 560−2,142 ± 565−2,184 ± 651
τ, ms34.9 ± 6.741.5 ± 14.634.9 ± 7.233.8 ± 6.533.3 ± 6.932.3 ± 6.6

τ is the time constant of left ventricular pressure decay during isovolumic relaxation period.

dP/dtmax = maximum time derivative of left ventricular pressure; dP/dtmin = minimum time derivative of left ventricular pressure; LCX = left circumflex coronary artery; LV = left ventricular.

  • p < 0.05 versus baseline.