Table 3.
Echocardiographic results before and immediately after the marathon (n = 6)
| Variable | Pre-marathon | Post-marathon | p value |
|---|---|---|---|
| HR | 62 (60; 67) | 104 (101; 111) | *< 0.05 |
| Systolic volume | 88.5 (78.5; 100.1) | 61 (50.7; 67.7) | *< 0.05 |
| Cardiac output | 5354 (4747; 6458) | 6234 (5238; 7433) | NS |
| LVEDD | 50.5 (48.5; 52.25) | 51 (44.5; 57.7) | NS |
| LVESD | 31.5 (29.2; 32.2) | 32 (27.5; 34) | NS |
| EF | 67.1 (65.5; 69.7) | 61.6 (61; 67) | NS |
| E wave | 0.9 (0.67; 1.02) | 0.6 (0.5; 0.72) | *< 0.05 |
| A wave | 0.65 (0.47; 0.9) | 0.9 (0.8; 0.92) | NS |
| E/A ratio | 1.33 (1.08; 1.54) | 0.7 (0.6; 0.79) | *< 0.05 |
| s' wave | 8.8 (8.2; 9.7) | 6.7 (5.9; 8) | *< 0.05 |
| e' wave | 9.2 (8.4; 10.6) | 8.5 (6.4; 10.4) | NS |
| a' wave | 8.1 (7.6; 9.1) | 7.6 (6.6; 9.6) | NS |
| E/e' ratio | 0.09 (0.08; 0.1) | 0.08 (0.06; 0.09) | NS |
Data expressed as median and interquartile range (25th percentile; 75th percentile);
*
p < 0.05 = significant; HR: heart rate; LVEDD: left ventricular end-diastolic diameter; LVESD: left ventricular end-systolic diameter; EF: ejection fraction.