Clinical experience of strain imaging using DENSE for detecting infarcted cardiac segments

Kihlberg, Johan; Haraldsson, Henrik; Sigfridsson, Andreas; Ebbers, Tino; Engvall, Jan E.

doi:10.1186/s12968-015-0155-8

Journal of Cardiovascular Magnetic Resonance

Table 3 Segmental distribution of strain values of the left ventricle in the control group

From: Clinical experience of strain imaging using DENSE for detecting infarcted cardiac segments

Type of strain		Anterior	Anteroseptal	Inferoseptal	Inferior	Inferolateral	Anterolateral
Radial transmural strain SA
	Basal	20 ± 8	15 ± 9	16 ± 8	21 ± 9	28 ± 13	29 ± 10
	Mid-ventricular	13 ± 7	10 ± 7	12 ± 7	13 ± 8	23 ± 10	22 ± 11
	Apical	1 ± 7	−4 ± 6	-	2 ± 9	-	8 ± 9
Radial transmural strain LA
	Basal	18 ± 11	7 ± 11	12 ± 7	22 ± 10	22 ± 13	24 ± 14
	Mid-ventricular	22 ± 13	8 ± 10	8 ± 7	12 ± 8	12 ± 18	16 ± 12
	Apical	2 ± 11	2 ± 8	-	6 ± 11	-	−1 ± 10
Radial subendocardial strain
	Basal	12 ± 7	8 ± 8	10 ± 6	15 ± 9	21 ± 11	21 ± 9
	Mid-ventricular	7 ± 6	4 ± 6	5 ± 6	7 ± 7	17 ± 9	15 ± 10
	Apical	−5 ± 6	−8 ± 5	-	−2 ± 7	-	2 ± 8
Radial epicardial strain
	Basal	26 ± 9	22 ± 11	21 ± 9	26 ± 10	33 ± 14	35 ± 11
	Mid-ventricular	17 ± 8	15 ± 8	18 ± 8	18 ± 10	29 ± 12	28 ± 12
	Apical	5 ± 8	−1 ± 8	-	6 ± 11	-	12 ± 11
Circumferential transmural strain
	Basal	−16 ± 3	−14 ± 4	−14 ± 3	−15 ± 3	−20 ± 2	−18 ± 3
	Mid-ventricular	−19 ± 2	−18 ± 3	−15 ± 3	−18 ± 3	−19 ± 2	−18 ± 2
	Apical	−20 ± 3	−19 ± 3	-	−17 ± 6	-	−19 ± 4
Circumferential subendocardial strain
	Basal	−18 ± 3	−17 ± 4	−16 ± 3	−17 ± 3	−21 ± 2	−19 ± 3
	Mid-ventricular	−21 ± 2	−20 ± 2	−17 ± 2	−19 ± 3	−20 ± 2	−20 ± 2
	Apical	−21 ± 3	−20 ± 3	-	−19 ± 6	-	−20 ± 4
Circumferential epicardial strain
	Basal	−15 ± 3	−13 ± 4	−13 ± 3	−14 ± 4	−18 ± 2	−17 ± 3
	Mid-ventricular	−18 ± 2	−17 ± 3	−13 ± 3	−16 ± 3	−17 ± 2	−17 ± 2
	Apical	−19 ± 2	−18 ± 3	-	−16 ± 6	-	−18 ± 4
Longitudinal transmural strain
	Basal	−11 ± 6	−10 ± 4	−12 ± 3	−14 ± 5	−17 ± 4	−17 ± 3
	Mid-ventricular	−11 ± 3	−14 ± 3	−15 ± 2	−15 ± 3	−15 ± 3	−14 ± 3
	Apical	−6 ± 5	−13 ± 2	-	−13 ± 5	-	−10 ± 3

Average segmental strain values for the control group excluding the apical cap. Segmentation of the left ventricle according to the American Heart Association. Strain values at the base, mid and apical levels are all significantly different from each other (ANOVA with Bonferroni post hoc test, p < 0.007)

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ISSN: 1532-429X

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