The Egyptian Heart Journal

Table 3 Regional strain parameters

From: Evaluation of the impact of percutaneous coronary intervention of chronic total occlusion on regional myocardial function using strain echocardiography

	PCI		OMT
	Before	After 6 months	Before	After 6 months
	(n = 28)	(n = 28)	(n = 27)	(n = 27)
Peak sys. SR
Mean ± SD	0.65 ± 0.21	1.05 ± 0.31	0.62 ± 0.21	0.63 ± 0.22
p ₁	<0.001*		0.763
Peak sys. strain
Mean ± SD	6.54 ± 2.48	11.51 ± 3.33	6.67 ± 2.65	6.90 ± 2.90
p ₁	<0.001*		0.626
End sys. strain
Mean ± SD	7.88 ± 2.77	10.51 ± 3.14	7.90 ± 2.87	7.63 ± 2.64
p ₁	<0.001*		0.079

*Statistically significant at p ≤ 0.05

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