Consistency of aortic distensibility and pulse wave velocity estimates with respect to the Bramwell-Hill theoretical model: a cardiovascular magnetic resonance study

Table 1 Subjects characteristics

Parameters	Subjects (n = 46)
Age (years)	39 ± 15
Body mass index (kg.m^-2)	23.75 ± 3.4
Aortic length (cm)	12.1 ± 2.1
Carotid pulse pressure (mmHg)	35.9 ± 10.6
Brachial pulse pressure (mmHg)	45.4 ± 10
Arch_PWV (m.s^-1)	4.34 ± 1.29
CF_PWV (m.s^-1)	7.07 ± 3.19
AA_Distc (10^-3 mmHg^-1)	5.86 ± 3.23
AA_Distb (10^-3 mmHg^-1)	4.52 ± 2.4
AA_PWVc (m.s^-1)	5.55 ± 2.55
AA_PWVb (m.s^-1)	6.26 ± 2.83

Subjects characteristics are expressed as Mean ± SD.; Arch_PWV: regional aortic arch PWV assessed with MRI; CF_PWV: global aortic PWV assessed with tonometry; AA_Distc and AA_Distb: local ascending aorta distensibility estimated from MRI aortic strain and carotid or brachial pulse pressures; AA_PWVc and AA_PWVb: local ascending aorta PWV estimated according equation (1) from AA_Distc or AA_Distb.

ISSN: 1532-429X