The relative contributions of myocardial perfusion, blood volume and extracellular volume to native T1 and native T2 at rest and during adenosine stress in normal physiology

Table 1 Baseline subject characteristics

Characteristic	n = 41
Female sex, n (%)	21 (51)
Age, years	26 ± 5
Height, cm	175 ± 9
Weight, kg	71 ± 11
BSA, m²	1.9 ± 0.2
LVEDV, ml	176 ± 36
LVEDVI, ml/m²	94 ± 14
LVESV, ml	72 ± 17
LVESVI, ml/m²	39 ± 7
LVSV, ml	104 ± 22
LVSVI, ml/m²	56 ± 9
LVEF, %	59 ± 4
LVM, g	119 ± 28
LVMI, g/m²	63 ± 11
Rest ECV, %	27 ± 3
Rest heart rate, bpm	71 ± 12
Stress heart rate, bpm	95 ± 16
Rest systolic blood pressure, mmHg	109 ± 11
Stress systolic blood pressure, mmHg	112 ± 12
Rest rate pressure product, bpm*mmHg	7815 ± 1893
Stress rate pressure product, bpm*mmHg	10,609 ± 2451
Change in rate pressure product, %	38 ± 28

Data presented as mean ± SD. Abbreviations: BSA body surface area, ECV extracellular volume, LVEDV left ventricular end diastolic volume, LVESV left ventricular end systolic volume, LVSV left ventricular stroke volume, LVEF ejection fraction, LVM left ventricular mass, I signifies indexed to BSA

ISSN: 1532-429X