Table 3.
Comparison of LV strain among T2DM patients with mild/moderate/severe regurgitation and normal controls
| Controls (n = 83) | Mild (n = 28) | Moderate(n = 21) | severe(n = 17) | |
|---|---|---|---|---|
| PS (%) | ||||
| Radial | 27.7 (17.6, 35.3) | 27.3 (21.0, 34.2)* | 14.1 (8.7, − 22.7)*# | 6.8 (5.2, − 9.8)*# |
| Circumferential | − 18.2 (− 20.8, − 13.7) | − 17.0 ± 4.3* | − 12.2 ± 5.4*# | − 6.6 ± 2.9*# |
| Longitudinal | − 14.0 ± 3.37 | − 11.5 ± 2.8* | − 6.8 ± 2.3*# | − 3.0 (− 4.4, − 2.0)*# |
| PSSR (1/s) | ||||
| Radial | 1.5 (1.1, 2.0) | 1.4 (1.2, 1.9) | 0.9 (0.6, 1.4)*# | 0.6 (0.4, 0.8)*# |
| Circumferential | − 0.9 (− 1.1, − 0.7) | − 0.84 (− 1.07, − 0.66)* | − 0.7 (− 0.8, − 0.5)*# | − 0.5 ± 0.2*# |
| Longitudinal | − 0.7 (− 0.8, − 0.5) | − 0.7 ± 0.4 | − 0.5 (− 0.7, − 0.3)*# | − 0.3 (− 0.4, − 0.2)*# |
| PDSR (1/s) | ||||
| Radial | − 1.6 (− 2.1, − 1.0) | − 1.5 (− 2.1, − 1.0)* | − 1.0 (− 1.5, − 0.6)*# | − 0.5 (− 0.8, − 0.3)*# |
| Circumferential | 1.2 ± 0.3 | 0.8 (0.6, 1.1)* | 0.7 ± 0.3* | 0.5 ± 0.2*# |
| Longitudinal | 0.61 (0.45, 0.82) | 0.62 (0.54, 0.76)* | 0.45 (0.35, 0.51)*# | 0.3 (0.2, 0.4)*# |
*P < 0.05, T2DM with AR vs. normal; #P < 0.05, T2DM with severe/moderate AR vs. T2DM with mild AR, T2DM type 2 diabetes mellitus, AR aortic regurgitation, PS peak strain, PSSR peak systolic strain rate, PDSR peak diastolic strain rate