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

Table 3 Cardiac mechanics

	Obese/Overweight n = 39^a	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

^aTwo of the 41 obese subjects did not complete DENSE imaging and therefore did not have cardiac mechanics available for comparison

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