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Table 3 Semiquantitative analysis of myocardial and splenic perfusion

From: Impact of caffeine on myocardial perfusion reserve assessed by semiquantitative adenosine stress perfusion cardiovascular magnetic resonance

  baseline (w/o caffeine) n = 25 follow-up (w/ caffeine) n = 25 p
Hemodynamic status during CMR
 HR at rest, /min 67 ± 9 71 ± 11 0.27
 Systolic BP at rest, mmHg 151 ± 22 152 ± 26 0.78
 Diastolic BP at rest, mmHg 88 ± 13 87 ± 9 0.76
 HR during adenosine, /min 86 ± 12 85 ± 8 0.71
 Systolic BP during adenosine, mmHg 147 ± 20 150 ± 23 0.38
 Diastolic BP during adenosine, mmHg 88 ± 12 87 ± 8 0.79
Global myocardium (all 16 segments)
 RU rest 11.1 ± 1.9 11.4 ± 2.0 0.52
 RU adenosine 13.3 ± 2.3 12.5 ± 2.8 0.11
 MPRI 1.24 ± 0.19 1.09 ± 0.19 < 0.01
Spleen
 RU rest 15.6 ± 5.1 16.2 ± 6.4 0.73
 RU adenosine 5.6 ± 3.3 5.9 ± 3.0 0.66
 SPR 0.38 ± 0.19 0.38 ± 0.18 0.92
  1. Data are mean ± SD
  2. RU, relative upslope; MPRI, myocardial perfusion reserve index; SPR, splenic perfusion ratio; HR, heart rate; BP, blood-pressure