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Table 2 Fifteen-minute post-contrast T1 values (milliseconds) in healthy control individuals

From: Correction with blood T1 is essential when measuring post-contrast myocardial T1 value in patients with acute myocardial infarction

  Control (n=8)
Pre-contrast   Post-contrast
Myocardium Blood *Time (sec) Myocardium Blood M/B Ratio
Slice 1 987.5±17.4 1413.6±60.2 0 629.5±70.4 543.0±95.7 1.17±0.09
Slice 2 974.2±36.6 1410.4±65.4 62.7±18.8 627.4±77.4 542.9±103.7 1.17±0.10
Slice 3 973.0±19.1 1420.8±66.7 137.2±25.3 612.6±82.4 531.3±100.7 1.17±0.09
Slice 4 976.7±19.3 1427.1±60.8 195.5±21.6 598.6±92.7 517.1±112.1 1.18±0.10
Slice 5 960.0±16.0 1434.3±49.7 263.8±27.9 568.3±94.0 489.4±115.9 1.18±0.11
Slice 6 965.6±22.9 1414.6±51.3 339.5±38.1 543.6±99.5 475.7±123.5 1.17±0.14
†p-value p>0.05 p>0.05   <0.001 0.033 >0.05
  1. *Mean time after first slice acquisition of post-contrast T1 map; †denotes results from repeated measure ANOVA.
  2. M/B, myocardium/blood T1 ratio.