Skip to main content
. 2017 Aug 7;69(4):261–271. doi: 10.1016/j.ehj.2017.07.003

Table 2.

preoperative investigations of the study population.

Preoperative investigation Range Mean ± SD
ECG No %

Right bundle branch blockage 6 15.0
Left bundle branch block 7 17.5



Transthoracic Echocardiography Range Mean ± SD
EF (%) 35–70 55.08 ± 9.71
LVEDV (ml) 78.3–119.4 108.88 ± 19.21
LVESV (ml) 36.2–68.3 44.08 ± 13.21
LV mass index (gm/m2) 110–244 157.93 ± 32.37



Aortic valve Range Mean ± SD
Aortic valve area (cm2) 0.45–1.0 0.75 ± 0.15
Mean pressure gradient (mmHg) 43–86 47.08 ± 11.08
Maximum pressure gradient (mmHg) 55–164 93.23 ± 18.69



Aortic regurgitation No %
Non to trace (grade 0) 10 25.0
Mild (grade I) 28 70.0
Moderate (grade II) 2 5.0



Mitral regurgitation No %
Non to trace (grade 0) 3 7.5
Mild (grade I) 11 27.5
Moderate (grade II) 25 62.5
Severe (grade III and IV) 1 2.5
Annulus diameter 20.6–25.8 21.9 ± 1.3



Transesophageal Echocardiography Range Mean ± SD
Annulus diameter (mm) 20.3–26.1 22.7 ± 1.8
Diameter at the mid sinus level (mm) 27.6–35.2 30.2 ± 3.1



Preoperative MSCT Range Mean ± SD
Aortic annulus (mm) 21.2–26.4 23.6 ± 2.1



Height of coronary artery (mm) Range Mean ± SD
Left 11.1–14.4 13.6 ± 2.1
Right 11.0–14.2 13.3 ± 1.5



Common femoral artery diameter (mm) Range Mean ± SD
Right 7.4–8.3 8.1 ± 1.5
Left 7.2–8.1 7.9 ± 1.4