Table 2

Annual progression rate of aortic stenosis severity parameters

ParametersAcute MI n=68Previous MI n=45Control n=101P value
AVAi (cm2/m2/year)−0.068±0.063*−0.048±0.053−0.042±0.039*0.004
AVA (cm2/year)−0.125±0.116*−0.087±0.093−0.078±0.074*0.005
VTI ratio (/year)−0.032±0.028*−0.022±0.024−0.022±0.021*0.015
MG (mm Hg/year)+3.5±5.0+2.7±4.4+2.7±4.40.44
Vpeak (m/s/year)+0.27±0.40+0.20±0.30+0.16±0.280.11
LVEF (%/year)+2.5±1.6+0.1±5.3−0.4±5.80.07
SVi (mL/m2/year)+2.62±7.27*†−0.87±3.31†−0.01±3.92*0.0005
LVET (s/year)+0.022±0.040*†−0.003±0.020+0.006±0.026*†<0.001
  • *P<0.05 for comparison acute MI versus control groups.

  • †P<0.05 for comparison acute versus previous MI groups.

  • AVA, aortic valve area; AVAi, indexed aortic valve area; LVEF, left ventricular ejection fraction; LVET, left ventricular ejection time; MG, mean aortic gradient; MI, myocardial infarction; SVi, indexed stroke volume; Vpeak, aortic peak jet velocity; VTI, velocity-time integral.