From: The impact of repeated marathon running on cardiovascular function in the aging population
Echo parameters | Baseline | Post-race | Follow-up | p value |
---|---|---|---|---|
 Doppler echocardiography  | ||||
Mitral E velocity (cm/s) | 0.8±0.2 | 0.5±0.3 | 0.8±0.2 | 0.76 |
Mitral A velocity (cm/s) | 0.5±0.1 | 0.5±0.2 | 0.5±0.2 | 0.68 |
Mitral E/A ratio | 1.6±0.2 | 1.5±0.1 | 1.6±0.1 | 0.72 |
Mitral E decel time (ms) | 208±52 | 212±63 | 214±48 | 0.65 |
 Left Ventricle: Tissue Doppler imaging  | ||||
Lateral S’ (cm/s) | 10.1±1.0 | 10.2±0.3 | 10.4±1.0 | 0.58 |
Lateral E’ (cm/s) | 11.4±0.6 | 7.6±1.1* | 10.1±0.7** | <0.01 |
Lateral A’ (cm/s) | 4.2±1.2 | 8.2±1.0* | 6.1±1.1** | <0.01 |
 Right Ventricle: Tissue Doppler imaging  | ||||
S’ at base (cm/s) | 11.3±0.9 | 8.7±1.2* | 11.0±0.9 | <0.01 |
E’ at base (cm/s) | 11.6±1.0 | 9.5±0.9* | 10.3±0.5** | <0.01 |
A’ at base (cm/s) | 7.8 ±1.1 | 10.3±0.9* | 9.8±0.4** | <0.01 |