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Table 2 Obesity reduces left ventricular strains, torsion and synchrony in mice

From: Obesity reduces left ventricular strains, torsion, and synchrony in mouse models: a cine displacement encoding with stimulated echoes (DENSE) cardiovascular magnetic resonance study

  Region Low-fat diet High-fat diet Change due to high-fat diet p value
Radial strain (%) Endo 36 ± 2 38 ± 8 +5% 0.690
Epi 24 ± 7 16 ± 2 −53% 0.032
Circumferential strain (%) Endo 17 ± 1 15 ± 1 −12% 0.028
Epi 9.4 ± 0.6 6.7 ± 0.6 −40% 0.008
Longitudinal strain (%) Endo 13 ± 1 12 ± 2 −6% 0.602
Epi 11 ± 0.8 9.3 ± 1.2 −19% 0.056
Peak torsion (o/cm) N/A 8.8 ± 1.9 6.6 ± 0.5 −34% 0.028
Radial uniformity of strain (dimensionless) Average 0.95 ± 0.02 0.91 ± 0.03 −5% 0.032
Circumferential uniformity of strain (dimensionless) Average 0.99 ± 0.01 0.98 ± 0.01 −1% 0.151
Heart rate (bpm) N/A 457 ± 35 503 ± 38 +10% 0.08
  1. Values are mean ± standard deviation, n = 5 in each group. Endo = subendocardium, Epi = subepicardium.