TABLE 2

Systolic Wall Thickening

Relative thickening (%)BaselineStenosisArbutamine (ng/kg/min)
51050100250
Stenotic22.7 ± 2.821.2 ± 2.424.6 ± 2.4*21.6 ± 2.621.5 ± 2.421.0 ± 2.416.4 ± 3.7
Normal17.9 ± 2.216.3 ± 1.817.7 ± 2.617.6 ± 1.621.7 ± 2.222.7 ± 2.423.0 ± 2.7
  • * P < 0.05 vs. stenosis.

  • Relative thickening = [(systolic thickness − diastolic thickness)/diastolic thickness] × 100%. Values are expressed as mean ± SEM.