Table 4.
Echocardiographic characteristics of the left and right atrium observed before and after the race in master athletes running an ultramarathon.
| Echocardiographic Variables | Pre-Race | Post-Race | p Values |
|---|---|---|---|
| Left atrium | |||
| LA volume, mL | 54.3 ± 11.5 | 52.2 ± 12.1 | 0.15 |
| LA volume index, mL/m2 | 30.0 ± 5.5 | 28.6 ± 6.2 | 0.16 |
| LA PALS, % | 40.6 ± 6.1 | 41.1 ± 7.1 | 0.46 |
| LA PACS, % | 18.3 ± 4.4 | 20.7 ± 5.5 | 0.001 |
| Right atrium | |||
| RA volume, mL | 43.6 ± 11.3 | 42.1 ± 12.3 | 0.25 |
| RA volume index, mL/m2 | 23.8 ± 6.0 | 23.1 ± 6.9 | 0.31 |
| RA PALS, % | 43.4 ± 7.8 | 41.7 ± 7.8 | 0.057 |
| RA PACS, % | 19.0 ± 5.0 | 20.9 ± 7.5 | 0.076 |
LA, left atrial; PALS, peak atrial longitudinal strain; PACS, peak atrial contraction strain; RA, right atrial.