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Table 2 Conventional and tissue Doppler imaging echocardiography parameters of healthy males
| Young | Middle | Older | |
|---|---|---|---|
| < 40 years old | 40-65 years old | > 65 years old | |
| (n = 15) | (n = 15) | (n = 15) | |
| LV M-Mode | |||
| HR (beats.min-1) | 56.8 (8.1) | 59.1 (6.0) | 60.6 (14.1) |
| LAD diameter (mm) | 35.7 (4.6) | 35.6 (3.9) | 36.3 (5.5) |
| LVED diameter (mm) | 52.9 (3.7) | 50.0 (3.5) | 50.3 (3.5) |
| LVES diameter (mm) | 34.9 (4.0) | 32.1 (5.3) | 33.7 (5.6) |
| IVSD diameter (mm) | 10.5 (0.5) | 11.5 (1.4) | 11.8 (1.2)* |
| PWD diameter (mm) | 10.6 (0.9) | 11.3 (1.3) | 11.1 (1.1) |
| RWT (mm) | 0.40 (0.1) | 0.45 (0.1)* | 0.46 (0.1)* |
| LV mass (g) | 221.6 (36.3) | 216.5 (38.4) | 229.4 (42.5) |
| LV mass index (g.m-2.7) | 44.9 (6.4) | 45.7 (7.7) | 52.9 (9.3)*# |
| LV ejection fraction (%) | 63.5 (5.2) | 64.2 (6.5) | 63.1 (6.9) |
| LV Pulsed-Doppler | |||
| E velocity (cm.s-1) | 75.1 (13.1) | 67.5 (9.3) | 62.6 (14.7)* |
| A velocity (cm.s-1) | 40.4 (6.6) | 55.9 (11.7)* | 66.8 (25.8)*** |
| E/A | 1.9 (0.5) | 1.3 (0.4)*** | 1.0 (0.3)*** |
| E deceleration time (ms) | 163.9 (22.4) | 168.1 (16.5) | 191.9 (38.8)* |
| IVRT (ms) | 94.3 (11.7) | 110.8 (16.4)* | 115.6 (25.0)* |
| LV Pulsed-TDI | |||
| Em (cm.s-1) | 14.2 (2.2) | 10.3 (2.8)*** | 8.4 (2.2)*** |
| Am (cm.s-1) | 6.6 (0.8) | 8.0 (1.7) | 9.0 (2.4)* |
| Sm (cm.s-1) | 8.0 (0.7) | 7.4 (1.5) | 7.5 (1.3) |
| E/Em | 4.9 (0.8) | 6.1 (1.7) | 7.4 (2.7)* |
| Right ventricle | |||
| EAT (mm) | 0.25 (0.09) | 0.39 (0.10)* | 0.57 (0.24)***# |
| RV Sm (cm.s-1) | 13.6 (1.7) | 11.2 (1.5)* | 11.7 (2.2)* |
| TAPSE (mm) | 22.8 (1.8) | 20.6 (1.4) | 21.6 (3.4) |
