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Table 2 Baseline echocardiographic characteristics (N=21)

From: Three-dimensional thoracic aorta principal strain analysis from routine ECG-gated computerized tomography: feasibility in patients undergoing transcatheter aortic valve replacement

Parameter Value
Left ventricular ejection fraction (%) 52 ± 14
Left ventricular end-diastolic volume index (ml/m2) 53 ± 16
Left ventricular end-systolic volume index (ml/m2) 26 ± 15
Left ventricular stroke volume index (ml/m2) 26 ± 7
Aortic valve annulus diameter (mm) 23 ± 3
Aortic valve area (cm2) 0.6 ± 0.3
Aortic valve mean pressure gradient (mmHg) 44 ± 11
Aortic valve peak pressure gradient (mmHg) 76 ± 18
Systemic vascular resistance (mmHg min/L) 28.9 ± 8
Systemic arterial compliance (ml/mmHg/m2) 1.0 ± 0.4
Systemic arterial elastance (mmHg/mL)) 2.3 ± 0.7
Valvulo-arterial impedance (mmHg/mL/m2) 6.7 ± 2.1
  1. Data are expressed as mean ± SD for continuous data and count (percentage) for categorical data. SD, standard deviation