Assessment of aortic stiffness by cardiovascular magnetic resonance following the treatment of severe aortic stenosis by TAVI and surgical AVR

Table 2 Comparison of baseline demographics and aortic stiffness between included and excluded TAVI and SAVR patients

Parameter	SAVR included	SAVR excluded	p value	TAVI included	TAVI excluded	p value
Age (years)	72.8 ± 7.0	70.0 ± 8.4	0.261	81 ± 6.3	80 ± 7.2	0.593
STS score (%)	2.01 ± 0.6	2.06 ± 0.9	0.900	5.68 ± 3.8	5.34 ± 2.8	0.693
EuroSCORE II (%)	1.53 ± 1.0	1.35 ± 0.56	0.116	5.66 ± 5.6	5.18 ± 3.4	0.691
Systolic BP (mmHg)	131 ± 23	127 ± 23	0.557	127 ± 28	132 ± 19	0.524
Previous MI (n (%))	5 (13)	1 (10)	0.611	6 (19)	4 (15)	0.844
Previous PCI (n (%))	1 (3)	2 (20)	0.250	10 (31)	8 (31)	0.872
Peripheral Vascular Disease (n (%))	1 (3)	1 (10)	0.531	6 (19)	6 (23)	0.581
Diabetes Mellitus (n (%))	4 (10)	4 (40)	0.163	8 (25)	5 (19)	0.721
Hyperlipidaemia, n (%)	24 (60)	8 (80)	0.925	20 (63)	15 (58)	0.998
COPD, n (%)	4 (10)	1 (10)	0.801	6 (19)	5 (19)	0.849
Atrial Fibrillation, n (%)	1 (3)	3 (10)	0.121	8 (25)	5 (19)	0.721
AVA (cm²)	0.90 ± 0.5	0.67 ± 0.2	0.195	0.62 ± 0.2	0.62 ± 0.2	0.941
AAD (×10⁻³mmHg⁻¹)	1.95 ± 1.15	2.12 ± 1.07	0.648	1.96 ± 1.51	1.55 ± 0.61	0.338

Abbreviations: STS Society of Thoracic Surgeons mortality risk score, AVA aortic valve area, AAD ascending aortic distensibility

ISSN: 1532-429X