Skip to main content

Advertisement

Table 2 Conventional echocardiographic data for the study population

From: Two-dimensional speckle-tracking echocardiography for evaluation of dilative ascending aorta biomechanics

Parameter Controls Diameter of ascending aorta p
Group 1 (≤45 mm) Group 2 (>45 mm) Controls vs. group 1 Controls vs. group 2 Group 1 vs. group 2
LV diastolic diameter (mm) 46.9 ± 4.6 55.9 ± 7.3 55.3 ± 8.9 <0.001 <0.001 NS
LVEDDi (mm/m2) 24.1 ± 2.2 28.0 ± 3.9 27.5 ± 4.2 <0.001 <0.001 NS
Interventricular septum (mm) 10.7 ± 1.5 12.5 ± 1.6 13.5 ± 2.3 <0.001 <0.001 NS
LV posterior wall (mm) 10.1 ± 1.4 11.1 ± 1.5 11.9 ± 2.0 0.02 <0.001 NS
LV ejection fraction (%) 57.2 ± 2.1 54.6 ± 3.4 50.2 ± 8.9 NS <0.05 0.029
Ascending aorta diameter (mm)
 Aortic annulus 22.5 ± 3.2 27.8 ± 3.2 26.5 ± 2.8 <0.001 <0.001 NS
 Sinus at Valsalva level 35.0 ± 3.6 44.8 ± 7.6 47.2 ± 8.2 <0.001 <0.001 NS
 Sinotubular junction 30.2 ± 3.1 37.6 ± 5.3 43.1 ± 8.8 <0.001 <0.001 NS
 Ascending aorta in end-diastole 33.9 ± 3.3 42.8 ± 2.8 53.2 ± 6.0 <0.001 <0.001 <0.001
 Cross sectional area in systole 8.6 ± 1.6 14.5 ± 1.7 21.7 ± 6.7 <0.001 <0.001 <0.001
 Cross sectional area in diastole 7.7 ± 1.5 12.8 ± 1.6 19.9 ± 6.3 <0.001 <0.001 <0.001
Aortic diameter/BSA (mm/m2)
 Aortic annulus 11.6 ± 1.7 13.8 ± 1.5 13.4 ± 1.4 <0.001 <0.001 NS
 Sinus at Valsalva 18.2 ± 1.9 22.2 ± 2.9 23.5 ± 3.6 <0.001 <0.001 NS
 Sinotubular junction 15.6 ± 1.5 18.6 ± 1.5 21.7 ± 4.0 <0.001 <0.001 0.01
 Ascending aorta in end-diastole 17.3 ± 1.7 21.5 ± 2.8 27.0 ± 5.5 <0.001 <0.001 <0.001
Aortic diameter index (ratio): observed/expected values
 Aortic annulus 0.89 ± 0.1 1.0 ± 0.1 1.02 ± 0.1 <0.001 <0.001 NS
 Sinus at Valsalva level 1.0 ± 0.1 1.29 ± 0.2 1.35 ± 0.2 <0.001 <0.001 NS
 Sinotubular junction 1.0 ± 0.1 1.24 ± 0.1 1.44 ± 0.2 <0.001 <0.001 0.01
 Ascending aorta in end-diastole 1.1 ± 0.1 1.4 ± 0.2 1.76 ± 0.3 <0.001 <0.001 <0.001
  1. BSA body surface area, LV left ventricular, LVEDDi left ventricular end-diastolic diameter index, Values are mean (SD) unless otherwise indicated