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Table 3 Peak strains and torsions from DENSE and HARP at 3T and 1.5T (mean ± standard deviation)

From: Validation of in vivo 2D displacements from spiral cine DENSE at 3T

  3T 1.5T
  DENSE Obs 1 DENSE Obs 2 HARP DENSE Obs 1 DENSE Obs 2 HARP
Circumferential strain (%)       
Base −15.9 ± 1.8 −16.4 ± 1.6 −16.4 ± 2.6 −15.0 ± 2.3 −16.6 ± 2.7 −16.5 ± 2.0
Mid −18.1 ± 2.1 −19.0 ± 2.3 −17.9 ± 1.9 −18.2 ± 0.8 −18.7 ± 0.8 −18.2 ± 1.6
Apex −21.0 ± 2.4 −22.2 ± 2.7 −20.4 ± 3.2 −19.7 ± 1.9 −21.4 ± 2.5 −21.9 ± 1.4
Radial strain (%)       
Base 52.2 ± 12.6 61.4 ± 21.1 45.8 ± 18.5 62.4 ± 24.0 60.9 ± 26.0 47.9 ± 18.0
Mid 28.4 ± 7.1 29.7 ± 8.6 34.0 ± 26.4 41.6 ± 10.1 33.7 ± 8.1 30.7 ± 10.5
Apex 29.2 ± 7.7 31.0 ± 11.4 45.9 ± 13.4 34.6 ± 14.9 30.6 ± 13.4 49.5 ± 19.5
Longitudinal strain (%)       
Four-chamber −14.7 ± 1.4 −14.3 ± 1.7 −13.0 ± 1.2 −12.3 ± 1.8 −13.1 ± 1.3 −14.3 ± 2.7
Torsion (deg/mm)       
Global 0.38 ± 0.07 0.39 ± 0.07 0.24 ± 0.07 0.31 ± 0.06 0.32 ± 0.06 0.19 ± 0.05