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Table 3 Cardiac mechanics

From: Cardiac remodeling and dysfunction in childhood obesity: a cardiovascular magnetic resonance study

  Obese/Overweight n = 39a Healthy n = 29 p value p value, age adjusted
Peak strain
Circumferential (%) −19 ± 2 −19 ± 2 0.77 0.37
Radial (%) 31 ± 12 33 ± 10 0.68 0.41
Longitudinal (%) −14 ± 2 −15 ± 2 0.09 0.02
Peak systolic strain rate
Circumferential (s −1 ) −1.17 ± 0.99 −1.05 ± 0.69 0.56 0.36
Radial (s −1 ) 1.86 ± 1.29 1.74 ± 1.00 0.67 0.36
Longitudinal (s −1 ) −0.77 ± 0.52 −0.94 ± 0.59 0.21 0.39
Peak diastolic strain rate
Circumferential (s −1 ) 1.00 ± 0.22 1.11 ± 0.27 0.09 0.03
Radial (s −1 ) −1.95 ± 0.81 −1.91 ± 1.03 0.84 0.59
Longitudinal (s −1 ) 0.90 ± 0.41 0.87 ± 0.27 0.76 0.66
Cardiac Torsion/Synchrony
Torsion (degrees/cm) 4.0 ± 0.8 3.6 ± 1.0 0.11 0.56
CURE (dimensionless) 0.97 ± 0.03 0.97 ± 0.02 0.50 0.86
RURE (dimensionless) 0.83 ± 0.10 0.81 ± 0.12 0.54 0.26
  1. aTwo of the 41 obese subjects did not complete DENSE imaging and therefore did not have cardiac mechanics available for comparison