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