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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.