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Table 1 Perfusion and oxygenation measurements

From: Patients with Syndrome X have normal myocardial oxygenation and perfusion compared to normal volunteers: a 3 Tesla cardiovascular magnetic resonance imaging study

 

Normal (n= 14)

Syndrome X (n= 18)

p-value

Global Measurements

Rest (corrected) MBF (ml/min/gr)

0.96±0.18

0.93±0.21

0.07

Stress MBF (ml/min/gr)

2.37±0.45

2.32±0.58

0.29

CFR

2.53±0.56

2.59±0.74

0.30

BOLD SI change (%)

17.08±7.43

17.30±7.92

0.85

Left Anterior Descending Artery

Rest (corrected) MBF (ml/min/gr)

0.98±0.15

0.96 ±0.16

0.84

Stress MBF (ml/min/gr)

2.43±0.32

2.39±0.50

0.83

CFR

2.53±0.42

2.54±0.60

0.96

BOLD SI change (%)

17.4±5.90

16.7±5.61

0.74

Left Circumflex artery

Rest (corrected) MBF (ml/min/gr)

0.95±0.17

0.92±0.21

0.72

Stress MBF (ml/min/gr)

2.34±0.31

2.32±0.58

0.90

CFR

2.50±0.33

2.59±0.74

0.66

BOLD SI change (%)

18.22±8.03

18.88±9.65

0.84

Right Coronary Artery

Rest (corrected) MBF (ml/min/gr)

0.93±0.16

0.87±0.15

0.28

Stress MBF (ml/min/gr)

2.30±0.32

2.31±0.57

0.94

CFR

2.51±0.30

2.71±0.68

0.27

BOLD SI change (%)

16.10±7.15

17.44±6.78

0.59

  1. BOLD, blood oxygen level-dependent; CFR, coronary flow reserve; MBF, myocardial blood flow; SI, signal intensity