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Table 5 The tissue characteristics of PPCM patients by T1 and T2 mapping at baseline and follow-up CMR

From: Left ventricular function recovery in peripartum cardiomyopathy: a cardiovascular magnetic resonance study by myocardial T1 and T2 mapping

 All PPCM (n = 10)Recovered (n = 5)Unrecovered (n = 5)P values
Baseline CMR
 ECV (%)31.9 ± 4.929.8 [27.2, 32.6]35.0 [28.1, 39.1]0.421
 Native T1 (ms)1367 ± 721359 [13106, 1409]1420 [1281, 1444]0.690
 Post T1 (ms)451 ± 70459 [400, 557]447 [370, 475]0.421
 T2 (ms)41.8 ± 3.039.8 [38.4, 43.8]42.5 [40.6, 45.3]0.310
Follow-up CMR
 ECV (%)30.0 ± 5.829.4 [24.1, 34.1]28.4 [26.0, 36.8]0.841
 Native T1 (ms)1289 ± 74*1240 [1205, 1293]1328 [1273, 1388]0.056
 Post T1 (ms)432± 71438 [395, 507]449 [3400, 476]0.841
 T2 (ms)40.9 ± 2.840.1 [37.1, 44.1]42.1 [40.0, 42.6]0.548
Changes between baseline and follow-up CMR
 ∆ECV (%)−2.1 [−7.1, 4.3]0.3 [−7.6, 5.8]−2.4 [−7.6, 1.2]0.548
 ∆Native T1 (ms)−65 [−125, −12]− 110 [− 2010, − 24]− 23 [−111, 12]0.222
 ∆Post T1 (ms)1.2 [−81.6, 26.6]1.0 [−80.8, 15.3]2.7 [−83.9, 53.9]0.690
 ∆T2 (ms)−0.6 [−3.5, 0.9]−0.5 [−3.2, 2.5]−2.4 [−3.6, 1.4]0.690
  1. *P < 0.05, follow-up CMR vs baseline CMR by paired T-test. Delta values are the differences between those parameters’ follow-up value minus baseline value. Abbreviations are the same as in Table 1