Table 4 Stress-induced changes in peak splenic perfusion signal intensity (ΔSI_spleen), T1 (ΔT1_spleen) and hemodynamic parameters for visually assessed “splenic switch-off” sign

All subjects n = 212

196 (92)

16 (8)

-

 Healthy volunteers n = 51

49 (96)

2 (4)

-

 Patients n = 161

147 (91)

14 (9)

-

ΔSI_spleen (%)

−62 ± 17

17 ± 29

<0.0001

ΔT1_spleen (ms)

−46 ± 22

−2 ± 25

<0.0001

Stress hemodynamic changes

 Δ heart rate (bpm)

19 ± 9

20 ± 12

0.83

 Δ SBP (mm. Hg)

−8 ± 22

−10 ± 19

0.76

 Δ RPP (bpm.mmHg)

2800 ± 2100

2600 ± 1700

0.89