TABLE 3

Comparison of Hemodynamic Parameters Derived from Cardiac Catheterization Among 3 Groups

ParameterControl groupIschemic groupNonischemic group
Rest LVEDP (mm Hg)7.0 ± 4.013.1 ± 5.5*12.0 ± 3.9*
Exercise LVEDP (mm Hg)15.0 ± 5.129.5 ± 5.2*†19.9 ± 6.2
ΔLVEDP (mm Hg)8.0 ± 4.115.5 ± 5.2*†7.6 ± 5.5
Rest LV dP/dtmax (mm Hg/s)2,133 ± 1,2912,019 ± 4322,046 ± 397
Exercise LV dP/dtmax (mm Hg/s)3,970 ± 4043,255 ± 610†4,664 ± 1,348
(%) LV dP/dtmax (%)89 ± 3170 ± 24†123 ± 43
Rest T1/2 (ms)34 ± 4.041 ± 3.5*39 ± 5.1*
Exercise T1/2 (ms)24 ± 4.427 ± 6.422 ± 5.0
(%) T1/2 (%)−37 ± 10.9−32 ± 6.4†−44 ± 9.4
Rest CI (L/min · m2)2.6 ± 0.53.0 ± 0.32.8 ± 0.4
Exercise CI (L/min · m2)6.4 ± 1.26.2 ± 1.26.2 ± 1.1
(%) CI (%)160 ± 83140 ± 55115 ± 47
Rest PAWP (mm Hg)6.0 ± 2.08.0 ± 2.38.5 ± 3.2
Exercise PAWP (mm Hg)16.0 ± 4.125.3 ± 7.2*†16.9 ± 6.1
ΔPAWP (mm Hg)10.0 ± 2.917.3 ± 5.0*†8.9 ± 5.0

  • ↵* P < 0.05 vs. control group.

  • ↵† P < 0.05 vs. nonischemic group.

  • Δ = absolute increase in parameters from rest to exercise; (%) = percentage changes in parameter from rest to exercise.

  • Data are expressed as mean ± SD.