Table 3. .
Comparisons of chamber quantifications and strains estimated with the automated algorithm between patients and healthy subjects
| Parameter | Patients | Age-matched HS | p-value |
|---|---|---|---|
| Count (females) | 21 | 21 | -- |
| Chamber quantifications | |||
| Dia basal (D) (cm) | 5.0 ± 0.5 | 4.4 ± 0.5 | 0.0* |
| Dia basal (S) (cm) | 3.3 ± 0.4 | 2.7 ± 0.4 | 0.0* |
| LV EDV (cm3) | 108 ± 17 | 111 ± 18 | 0.7 |
| LV ESV (cm3) | 44 ± 8 | 42 ± 11 | 0.5 |
| LV SV (cm3) | 64 ± 14 | 69 ± 13 | 0.3 |
| LV EF (%) | 59 ± 6 | 63 ± 6 | 0.1 |
| LVM (gm) | 123 ± 9 | 126 ± 10 | 0.1 |
| LVM/BSA (gm/m2) | 68 ± 8 | 71 ± 9 | 0.4 |
| Strains and torsion | |||
| Ecc Basal | −0.18 ± 0.03 | −0.20 ± 0.02 | 0.2 |
| Ecc Mid | −0.20 ± 0.03 | −0.21 ± 0.03 | 0.3 |
| Ecc Apical | −0.22 ± 0.03 | −0.24 ± 0.04 | 0.2 |
| Ecc Global | −0.20 ± 0.03 | −0.21 ± 0.03 | 0.2 |
| Ell Basal | −0.14 ± 0.02 | −0.19 ± 0.05 | 0.0** |
| Ell Mid | −0.15 ± 0.02 | −0.21 ± 0.04 | 0.0** |
| Ell Apical | −0.16 ± 0.03 | −0.23 ± 0.04 | 0.0** |
| Ell Global | −0.15 ± 0.02 | −0.21 ± 0.04 | 0.0** |
| Err Basal | 0.38 ± 0.05 | 0.38 ± 0.05 | 0.9 |
| Err Mid | 0.32 ± 0.04 | 0.34 ± 0.04 | 0.2 |
| Err Apical | 0.26 ± 0.04 | 0.27 ± 0.03 | 0.1 |
| Err Global | 0.32 ± 0.04 | 0.33 ± 0.04 | 0.4 |
| Rotation basal (Ο) | −1.50 ± 1.10 | −4.50 ± 2.10 | 0.0** |
| Rotation mid (Ο) | 5.50 ± 1.50 | 8.30 ± 1.90 | 0.0** |
| Rotation apex (Ο) | 8.30 ± 2.10 | 11.70 ± 2.50 | 0.0** |
| Torsion basal (Ο) | 0.00 ± 0.00 | 0.00 ± 0.00 | - |
| Torsion mid (Ο) | 4.80 ± 0.98 | 7.70 ± 1.30 | 0.0** |
| Torsion apical (Ο) | 6.00 ± 1.10 | 9.70 ± 1.40 | 0.0** |
Dia, diameter; HS, healthy subjects; D, diastolic; S, systolic; EDV, end diastolic volume; ESV, end systolic volume; SV, stroke volume; EF, ejection fraction; LVM, LV mass; BSA, body surface area; rr, radial; cc; circumferential.
a
Indicates significant differences between patients and healthy subjects at p < 0.01.
b
Indicates significant differences at p < 0.001.