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Table 1 Baseline clinical and CMR findings

From: Assessment of myocardial oxygenation in patients with severe aortic stenosis before and after aortic valve replacement: an oxygenation-sensitive CMR study

 

Severe AS (n = 22)

Normal controls (n = 15)

P value

Age (years)

67 ± 9

63 ± 4

0.09

Male, n (%)

15 (68)

8 (53)

0.34

Body mass index (kg/m2)

27 ± 4

26 ± 3

0.38

BOLD signal intensity change (%)

4.8 ± 9.6

18.2 ± 11.6

0.001

Myocardial perfusion reserve index

1.0 ± 0.3

1.7 ± 0.3

< 0.001

Left ventricular ejection fraction (%)

74 ± 6

69 ± 4

0.01

Left ventricular end-diastolic volume (ml)

148 ± 46

142 ± 32

0.65

Left ventricular end-systolic volume (ml)

40 ± 20

44 ± 12

0.43

Left ventricular wall thickness (mm)

17 ± 3

10 ± 1

< 0.001

Left ventricular mass index (g/m2)

99 ± 38

56 ± 13

< 0.001

Aortic valve area (cm2)

0.84 ± 0.10

-

-

LGE present, n (%)

16 (73)

0 (0)

-

LGE volume when positive (%)

17.6 ± 13.8

-

-

  1. Values are mean SD or percentages. BOLD, blood oxygen level dependent; LGE, late gadolinium enhancement.