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Table 2 Correlation of SLICE-derived strain parameters with CRT response (left ventricular end-systolic volume (LVESV) change after 12 months)

From: Segment length in cine (SLICE) strain analysis: a practical approach to estimate potential benefit from cardiac resynchronization therapy

 

Variable

R

p-value

Basic strain parameters

Peak strainsep (%)

− 0.37

0.004

Peak strainlat (%)

0.33

0.012

ESSsep (%)

− 0.63

< 0.001

ESSlat (%)

0.44

< 0.001

Timing parameters

Onset-delay (ms)

0.06

0.669

Peak-delay (ms)

− 0.22

0.098

Strain pattern parameters

SRSsep (%)

− 0.56

< 0.001

SSIsep-lat (%)

− 0.53

< 0.001

ISFsep-lat

− 0.58

< 0.001

  1. R correlation coefficient with LVESV change after twelve months; Peak strain peak negative strain; ESS end-systolic strain; onset-delay septal to lateral delay in onset contraction; peak-delay septal to lateral time difference in peak shortening; SRSsep systolic rebound stretch of the septum; SSIsep-lat systolic stretch index; ISFsep-lat internal stretch factor