Table 2 Measures of conventional, tissue Doppler, strain and myocardial contrast echocardiographic imaging.
| DM (n = 22) | No DM (n = 26) | p Value | |
|---|---|---|---|
| Ejection fraction (%) | 66 (4) | 65 (3) | NS |
| Transmitral E (cm/s) | 0.82 (0.20) | 0.76 (0.11) | NS |
| Transmitral A (cm/s) | 0.80 (0.23) | 0.66 (0.19) | NS |
| Transmitral EDT (ms) | 227 (38) | 225 (44) | NS |
| IVRT (ms) | 99 (16) | 100 (12) | NS |
| Pulmonary venous systolic velocity | 0.58 (0.10) | 0.58 (0.09) | NS |
| Pulmonary venous diastolic velocity | 0.48 (0.11) | 0.46 (0.13) | NS |
| Mean annular E′ (cm/s) | 9.0 (3.0) | 10.2 (2.2) | NS |
| Mean annular A′ (cm/s) | 9.6 (1.9) | 9.4 (1.6) | NS |
| Mean annular S′ (cm/s) | 8.0 (1.2) | 8.4 (1.3) | NS |
| Mean annular E/E′ | 9.6 (2.7) | 7.9 (2.3) | 0.03 |
| Strain rate (/s) | −0.80 (0.22) | −1.1 (0.28) | 0.006 |
| ε (%) | −14.4 (4.6) | −18.7 (3.1) | 0.006 |
| MBF reserve | 2.4 (1.0) | 3.8 (2.1) | 0.01 |
Data are mean (SD) or number (%).
A, peak late diastolic velocity; A′, late annular diastolic velocity; ε, peak systolic strain; E, peak early diastolic velocity; E′, early peak diastolic velocity; EDT, E wave deceleration time; IVRT, isovolumetric relaxation time; MBF, myocardial blood flow; S′, peak systolic velocity.