Table 5.
Normal values of biventricular global strain and strain rates by age decades for women
| Variables | 21–30 years (n = 40) | 31–40 years(n = 78) | 41–50 years (n = 71) | 51–60 years (n = 34) | 61–70 years (n = 31) |
|---|---|---|---|---|---|
| Left ventricle | |||||
| GRS (%) | 35.5 ± 5.4 | 37.3 ± 5.7 | 37.0 ± 6.3 | 38.3 ± 5.8 | 41.2 ± 6.2 |
| GCS (%) | − 20.0 ± 1.8 | − 20.6 ± 1.8 | − 20.5 ± 2.0 | − 20.9 ± 1.8 | − 21.7 ± 1.9 |
| GLS (%) | − 18.0 ± 2.0 | − 18.2 ± 1.8 | − 17.6 ± 1.9 | − 17.2 ± 1.5 | − 17.8 ± 1.8 |
| PSSRR (s−1) | 2.40 ± 0.78 | 2.67 ± 0.78 | 2.61 ± 0.71 | 2.51 ± 0.68 | 2.43 ± 0.77 |
| PSSRC (s−1) | − 1.19 ± 0.26 | − 1.32 ± 0.27 | − 1.25 ± 0.21 | − 1.22 ± 0.22 | − 1.19 ± 0.25 |
| PSSRL (s−1) | − 1.00 ± 0.19 | − 1.05 ± 0.20 | − 1.05 ± 0.18 | − 0.99 ± 0.21 | − 1.01 ± 0.17 |
| PDSRR (s−1) | − 2.28 ± 0.47 | − 2.37 ± 0.50 | − 2.15 ± 0.49 | − 2.18 ± 0.44 | − 2.08 ± 0.55 |
| PDSRC (s−1) | 1.18 ± 0.21 | 1.15 ± 0.20 | 1.04 ± 0.18 | 1.02 ± 0.20 | 0.99 ± 0.22 |
| PDSRL (s−1) | 1.05 ± 0.20 | 0.97 ± 0.18 | 0.84 ± 0.17 | 0.82 ± 0.17 | 0.85 ± 0.15 |
| Right ventricle | |||||
| GRS (%) | 24.1 ± 7.7 | 24.3 ± 7.6 | 24.2 ± 7.6 | 25.7 ± 8.4 | 29.6 ± 6.6 |
| GCS (%) | − 14.2 ± 3.3 | − 13.9 ± 3.6 | − 14.0 ± 3.4 | − 14.0 ± 3.8 | − 16.4 ± 2.9 |
| GLS (%) | − 21.7 ± 4.4 | − 22.5 ± 5.1 | − 21.8 ± 5.6 | − 22.4 ± 5.5 | − 24.3 ± 4.6 |
| PSSRR (s−1) | 1.40 ± 0.64 | 1.57 ± 0.77 | 1.58 ± 0.70 | 1.75 ± 0.72 | 1.85 ± 0.74 |
| PSSRC (s−1) | − 0.72 ± 0.25 | − 0.81 ± 0.30 | − 0.81 ± 0.26 | − 0.88 ± 0.25 | − 0.96 ± 0.31 |
| PSSRL (s−1) | − 1.30 ± 0.29 | − 1.29 ± 0.31 | − 1.32 ± 0.31 | − 1.27 ± 0.31 | − 1.37 ± 0.30 |
| PDSRR (s−1) | − 1.41 ± 0.42 | − 1.37 ± 0.46 | − 1.20 ± 0.44 | − 1.20 ± 0.44 | − 1.35 ± 0.49 |
| PDSRC (s−1) | 0.75 ± 0.20 | 0.70 ± 0.18 | 0.62 ± 0.18 | 0.65 ± 0.22 | 0.65 ± 0.22 |
| PDSRL (s−1) | 1.12 ± 0.33 | 1.11 ± 0.32 | 1.03 ± 0.31 | 1.06 ± 0.43 | 0.96 ± 0.29 |
Measurements of biventricular global strain and strain rates were assessed by cvi42. Data are presented as means ± standard deviation
GRS, global peak radial strain; GCS, global peak circumferential strain; GLS, global peak longitudinal strain; PSSRR, peak systolic strain rate radial; PSSRC, peak systolic strain rate circumferential; PSSRL, peak systolic strain rate longitudinal; PDSRR, peak diastolic strain rate radial; PDSRC, peak diastolic strain rate circumferential; PDSRL, peak diastolic strain rate longitudinal