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Table 1 Baseline characteristics

From: Blood flow dynamics with four-dimensional flow cardiovascular magnetic resonance in patients with aortic stenosis before and after transcatheter aortic valve replacement

Variables n = 32
Age, years 82 ± 5
Male, n (%) 17 (53)
Body mass index, kg/m2 21.3 ± 3.8
STS-PROM score, % 5.1 (4.1–7.1)
Past history, n (%)
 Hypertension 23 (72)
 Dyslipidemia 20 (63)
 Diabetes mellitus 11 (34)
 Atrial fibrillation 4 (13)
 Coronary artery disease 12 (38)
 Stroke 5 (16)
Laboratory data
 Hemoglobin, g/dL 11.5 ± 1.4
 Creatinine, mg/dL 0.83 (0.71–1.14)
 NT-proBNP, pg/mL 1322 (568–3145)
Echocardiography
 LVEDD, mm 46.7 (43.0–50.0)
 LVEF, % 61 (54–70)
 SVI, mL/m2 46.5 ± 12.4
 IVS, mm 12.0 ± 2.0
 LVMI, g/m2 117.5 (102–141)
 LAVI, mL/m2 45.5 (39.7–63.0)
 E/A ratio 0.70 (0.56–0.97)
E/e’ ratio 13.1 ± 4.8
 AVAI, cm2/m2 0.45 ± 0.11
 Mean transaortic PG, mmHg 53 ± 21
Computed tomography
 Aortic annular area, mm2 444 (388–480)
 Aortic annular perimeter, mm 75.7 (70.7–80.5)
 Bicuspid valve, n (%) 2 (6)
 Ascending aortic diameter, mm 33.2 ± 3.7
Access route for TAVR, n (%)
 Femoral 28 (88)
 Apical 2 (6)
 Subclavian 2 (6)
TAVR model, n (%)
 SAPIEN 3 26 (81)
 Evolut R 3 (9)
 Evolut PRO 3 (9)
THV size, n (%)  
 23 mm 11 (34)
 26 mm 13 (41)
 29 mm 8 (25)
  1. Continuous variables are presented as mean ± standard deviation if normally distributed, and median (interquartile range) if not normally distributed
  2. Categorical variables are presented as number of patients (%)
  3. AVAI aortic valve area index; IVS interventricular septum; LAVI left atrial volume index; LVEDD left ventricular end-diastolic dimension; LVEF left ventricular ejection fraction; LVMI left ventricular mass index; NT-proBNP N-terminal pro-brain natriuretic peptide; PG pressure gradient; STS-PROM Society of Thoracic Surgeons Predicted Risk of Mortality; SVI stroke volume index; TAVR transcatheter aortic valve replacement; TAVR transcatheter aortic valve replacement