Assessment of distribution and evolution of Mechanical dyssynchrony in a porcine model of myocardial infarction by cardiovascular magnetic resonance

Table 2 Global Mechanics

	Baseline	Early	Late	p value
Global peak eC	-27 ± 2	-18 ± 3	-17 ± 3	< 0.0001*
SD16 segments (dyssynchrony index)	28 ± 7	50 ± 10	54 ± 19	0.0079*
Normal
Peak eC Normal	-27 ± 2	-24 ± 4	-21 ± 2	0.0032*
TTP Normal	300 ± 46	329 ± 40	321 ± 40	0.47
Peri-MI
Peak eC Peri-MI	-27 ± 2	-18 ± 2	-17 ± 1	< 0.0001*
TTP Peri-MI	300 ± 46	332 ± 36	355 ± 61	0.18
MI
Peak eC MI	-27 ± 2	-6 ± 2	-8 ± 2	< 0.0001*
TTP MI	300 ± 46	440 ± 40	442 ± 63	0.0002*

* No significant difference between early and late post-MI. SD16 = mean standard deviation of time to peak strain in 16 segments; MI = myocardial infarction

ISSN: 1532-429X