Table 3 Myocardial T1 characteristics from different groups of the study population with suspected CAD.

From: Clinical assessment of adenosine stress and rest cardiac magnetic resonance T1 mapping for detecting ischemic and infarcted myocardium

 

Control

(n = 72)

Ischemia

(n = 51)

Infarct

(n = 58)

Remote ischemia

(n = 51)

Remote infarct

(n = 58)

ROI analysis

T1 rest (ms)

1,039.59 ± 75.63

1,040.13 ± 90.02

1,239.04 ± 121.39a,b,c,d

1,030.12 ± 75.63

1,013.54 ± 59.90

T1 adenosine stress (ms)

1,092.26 ± 50.63

1,055.20 ± 91.01e

1,262.80 ± 162.85a,b,c,d

1,073.81 ± 59.38

1,062.25 ± 50.48f

ΔT1 (%)

4.79 ± 3.14

1.38 ± 3.02e

1.55 ± 5.25a

4.04 ± 5.49

4.57 ± 3.80

Per-segment analysis

T1 rest (ms)

1,033.71 ± 76.4

1,040.68 ± 107.00

1,142.16 ± 99.58a,b,c,d

1,035.89 ± 94.59

1,036.59 ± 89.32

T1 adenosine stress (ms)

1,087.77 ± 130.64

1,042.58 ± 153.06

1,145.97 ± 164.49a,b,c,d

1,072.29 ± 145.87

1,072.86 ± 175.51

ΔT1 (%)

5.46 ± 12.29

0.78 ± 14.98e

0.58 ± 13.73a

4.25 ± 16.09

4.05 ± 18.16

  1. Data presented in mean ± standard deviation.
  2. A p-value < 0.05 indicates statistical significance.
  3. CMR cardiac magnetic resonance, SD standard deviation; ms, milliseconds.
  4. aStatistical significance between infarct and control.
  5. bStatistical significance between infarct and ischemia.
  6. cStatistical significance between infarct and remote ischemia.
  7. dStatistical significance between infarct and remote infarct.
  8. eStatistical significance between ischemia and control.
  9. fStatistical significance between remote infarct and control.