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Table 3 2D longitudinal strain analysis in the study group

From: Local myocardial stiffness variations identified by high frame rate shear wave echocardiography

Parameter Group 1
Normal volunteers
Group 2
HCM patients without septal reduction
ANOVA
p
1 vs 2
Group 3
HCM patients post septal reduction
ANOVA
p
1 vs 3
ANOVA
p
2 vs 3
GLS (%) -20 ± 2 −19 ± 4 0.9 −14 ± 5 0.001 0.004
Average septala LSS
4 chambers (%)
−23 ± 3 −16 ± 4 < 0.0001 −13 ± 4 < 0.0001 0.2
Average septala LSS
3 chambers (%)
−20 ± 4 −16 ± 4 0.04 −10 ± 4 < 0.0001 0.01
Anya septal LSS > − 10%
(number)
0 0 10 subjects
Anya septal LSS > −5%
(number)
0 0 3 subjects
  1. a: the septal basal and mid-wall segments were considered, in the 4 chambers and 3 chambers views. GLS Global Longitudinal Strain; LSS Longitudinal segmental strain