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Table 1 Comparison of Strain and Strain Rate In Dilated Cardiomyopathy Patients With and Without Acute Heart Failure (HF)

From: Comparison of myocardial mechanical properties in patients with dilated cardiomyopathy with and without acute heart failure

Mechanical Characteristics Groups Mean ± SD P value Change (%)
CST (%) Controls
No HF
HF
-14.6 ± 3.4
-9.4 ± 2.7
-5.2 ± 1.8
<0.001 -
36
65
CSR (%/second) Controls
No HF
HF
-86.8 ± 20.9
-66.5 ± 20.5
-31.4 ± 10.7
<0.001 -
23
64
Rate of Circumferential Early Diastolic Relaxation (%/second) Controls
No HF
HF
56.3 ± 13.2
27.2 ± 9.6
21.9 ± 12.1
<0.001 -
52
61
LST (%) Controls
No HF
HF
-14.1 ± 1.6
-10.3 ± 2.6
-6.1 ± 2.2
<0.001 -
27
57
LSR (%/second) Controls
No HF
HF
-65.9 ± 9
-58.5 ± 11.9
-29.8 ± 11
<0.001 -
11
55
Rate of Longitudinal Early Diastolic Relaxation (%/second) Controls
No HF
HF
46 ± 8
26.7 ± 13.4
19.7 ± 11.1
<0.001 -
42
57
  1. CST: circumferential strain of mid left ventricle in short axis plane, CSR: circumferential strain rate of mid left ventricle in short axis plane, LST: longitudinal strain in 4-chamber view, LSR: longitudinal strain rate in 4-chamber view