Table 1 Speckle tracking and visual evaluation parameters constituting multiparametric model
Variable | Segment | Cutoff | Unit |
|---|---|---|---|
Model for at least one stenosis per patient | |||
Maximal strain rest | Mid septal | -18.39 | % |
A’ velocity rest | Mid anterior | -1.83 | cm/s |
Time to maximal strain rest | Apical septal | 394.0 | ms |
Time to S’ velocity stress | Apical anterior | 78.0 | ms |
Time to S’ velocity stress | Mid anterior | 51.0 | ms |
Systolic strain rate stress | Apical septal | -2.37 | s-1 |
Radial systolic displacement rest | Basal lateral | 5.42 | mm |
A’ strain rate stress | Basal lateral | 1.96 | s-1 |
S’ velocity stress | Basal anterior | 6.78 | cm/s |
Systolic strain rest | Apical septal | -22.43 | % |
Maximal strain rest | Basal inferior | -20.12 | % |
Visual | WMSIstress-WMSIrest | 0.13 | |
Model for LAD | |||
Systolic strain rest | Apical septal | -11.53 | % |
Systolic positive strain stress | Basal inferior | 0.27 | % |
Maximal strain rest | Basal inferior | -21.53 | % |
S’ velocity stress | Basal anterior | 8.41 | cm/s |
E’ velocity stress | Basal septal | -7.2 | cm/s |
A’ velocity rest | Mid anterior | -1.69 | cm/s |
Visual | WMSIstress-WMSIrest | 0.13 | |
Time to maximal strain rest | Apical anterior | 353.0 | ms |
Time to S’ velocity stress | Mid septal | 78.0 | ms |
Time to S’ velocity stress | Apical anterior | 120.0 | ms |
Time to S’ velocity stress | Mid anterior | 59.0 | ms |
A’ strain rate stress | Basal lateral | 1.96 | s-1 |
Systolic strain rate stress | Apical septal | -2.37 | s-1 |
Radial systolic strain stress | Mid septal | 8.44 | % |
Model for LCX | |||
A’ strain rate stress | Basal lateral | 1.70 | s-1 |
A’ velocity rest | Mid anterior | -3.42 | cm/s |
Systolic strain rest | Apical septal | -24.48 | % |
S’ velocity rest | Apical inferior | 3.50 | cm/s |
E’ velocity stress | Basal septal | -5.51 | cm/s |
Radial systolic displacement rest | Basal lateral | 7.33 | mm |
Systolic strain rate stress | Apical septal | -2.84 | s-1 |
Time to maximal strain rest | Apical anterior | 404.0 | ms |
Time to S’ velocity stress | Apical anterior | 56.0 | ms |
Time to S’ velocity stress | Mid septal | 75.0 | ms |
Radial systolic strain stress | Mid septal | 41.90 | % |
Visual | WMSIstress-WMSIrest | 0.13 | |
Model for RCA | |||
Maximal strain rest | Basal inferior | -20.12 | % |
Systolic strain rest | Apical septal | -22.4 | % |
S’ velocity rest | Apical inferior | 1.38 | cm/s |
Time to maximal strain rest | Apical anterior | 390.0 | ms |
Time to maximal strain rest | Apical septal | 399.0 | ms |
Time to maximal strain rest | Basal posterior | 397.0 | ms |
Time to S’ velocity stress | Mid anterior | 47.0 | ms |
Systolic positive strain stress | Basal inferior | 0.48 | % |
E’ velocity stress | Basal septal | -2.88 | cm/s |
Radial systolic displacement rest | Basal lateral | 5.42 | mm |
Visual | WMSIstress-WMSIrest | 0.13 | |