Table 1

Structural and Functional Parameters of the Left Ventricle at Baseline and Follow-Up After Percutaneous Valve Replacement

ParametersBaseline (n = 84)Within 7 Days (n = 80)6 Months (n = 61)1 Year (n = 49)2 Years (n = 21)3 Years (n = 14)
Structural
 LVEDD, mm45.4 ± 6.144.0 ± 7.044.4 ± 7.843.7 ± 6.945.7 ± 8.443.4 ± 9.1
 LVESD, mm32.5 ± 8.430.4 ± 8.929.6 ± 9.428.6 ± 8.230.9 ± 9.528.7 ± 9.6
 LVEDV, ml105.0 ± 42.8100.2 ± 44.492.6 ± 42.189.5 ± 48.982.2 ± 45.384.3 ± 50.3
 LVESV, ml55.6 ± 38.848.9 ± 34.943.7 ± 32.941.0 ± 34.938.9 ± 33.840.8 ± 34.9
 Aortic root, mm31.1 ± 3.429.9 ± 4.530.8 ± 3.731.3 ± 2.930.6 ± 3.231.3 ± 3.0
 AV peak velocity, m/s4.1 ± 0.72.1 ± 0.42.1 ± 0.42.1 ± 0.42.2 ± 0.42.2 ± 0.5
 AVA, cm20.6 ± 0.21.6 ± 0.41.5 ± 0.41.5 ± 0.41.4 ± 0.31.4 ± 0.3
 AV PG, mm Hg70.2 ± 23.318.6 ± 7.218.9 ± 7.418.6 ± 7.118.9 ± 6.919.3 ± 8.5
 AV MG, mm Hg43.4 ± 15.19.6 ± 3.89.6 ± 4.29.6 ± 3.89.7 ± 3.59.9 ± 4.9
Functional
 Cardiac output, l/min4.1 ± 1.04.8 ± 1.54.6 ± 1.24.5 ± 1.24.5 ± 1.24.2 ± 0.9
 LVEF, %50.7 ± 16.155.6 ± 16.357.3 ± 13.459.4 ± 14.057.8 ± 12.455.9 ± 11.7

Values are mean ± SD unless otherwise indicated.

AV = aortic valve; AVA = aortic valve area; LVEDD = left ventricular end-diastolic diameter; LVEDV = left ventricular end-diastolic volume; LVEF = left ventricular ejection fraction; LVESD = left ventricular end-systolic diameter; LVESV = left ventricular end-systolic volume; MG = mean gradient; PG = peak gradient.

  • Statistical significance (p < 0.01) compared with baseline values.