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Table 2 The parameters of each of 6 segments derived from 2DSE in 17 rats at baseline and 4-weeks post-infarction

From: Value of segmental myocardial strain by 2-dimensional strain echocardiography for assessment of scar area induced in a rat model of myocardial infarction

Parameters   Infarct area   Peri-infarct area Remote area
   Anteroseptum Anterior Anterolateral Inferoseptum Inferolateral Inferior
SR/%# Baseline 32.29 ± 9.55 32.90 ± 8.79 33.92 ± 10.03 35.27 ± 11.06 37.58 ± 9.35 37.98 ± 9.84
  4-weeks 11.60 ± 4.02* 11.18 ± 3.89* 21.85 ± 7.96* 22.75 ± 4.78* 31.72 ± 8.78 31.51 ± 6.55*
SrR/s-1 Baseline 6.55 ± 1.18 6.28 ± 1.35 6.72 ± 1.20 7.38 ± 1.70 7.72 ± 1.27 7.79 ± 1.33
  4-weeks 3.66 ± 1.01* 3.18 ± 0.47* 4.24 ± 0.77* 4.31 ± 1.51* 4.64 ± 1.06* 4.75 ± 1.33*
SC/%# Baseline -14.12 ± 2.94 -14.46 ± 2.21 -12.69 ± 2.44 -14.77 ± 3.43 -11.95 ± 2.55 -14.42 ± 3.15
  4-weeks -7.46 ± 1.39* -6.30 ± 2.17* -10.01 ± 2.15* -11.35 ± 3.16* -10.61 ± 2.05 -12.97 ± 3.31
SrC/s-1 # Baseline 4.44 ± 0.63 4.9 ± 0.95 4.19 ± 0.82 4.69 ± 0.88 4.28 ± 0.58 4.79 ± 1.07
  4-weeks 3.52 ± 1.08* 2.59 ± 1.16* 3.10 ± 0.67* 3.82 ± 1.21* 3.19 ± 0.36* 3.93 ± 0.54*
  1. SR, Radial strain; SrR, Radial strain rate; SC, Circumferential strain; SrC, Circumferential strain rate
  2. *4-weeks vs Baseline, P < 0.05; # Infarct area vs Peri-infarct area, P < 0.05; ▲Infarct area vs Remote area