Table 3 Echocardiographic measures in participants grouped by troponin elevation.
cTnT >0.10 ng/ml | cTnT <0.10 ng/ml | cTnT >0.01 ng/ml | cTnT <0.01 ng/ml | |
---|---|---|---|---|
post‐race | post‐race | next day | next day | |
(n = 6)* | (n = 32)† | (n = 9)‡ | (n = 29)§ | |
Stroke volume (ml) | ||||
Pre‐race | 136 (27) | 109 (23) | 127 (33) | 109 (21) |
Post‐race | 85 (23) | 90 (22) | 99 (25) | 87 (20) |
2–6 weeks | 133 (21) | 109 (27) | 130 (24) | 111 (28) |
Ejection fraction (%) | ||||
Pre‐race | 72 (5) | 63 (8) | 65 (9) | 64 (8) |
Post‐race | 59 (9) | 59 (8) | 57 (8) | 59 (8) |
2–6 weeks | 70 (2) | 63 (7) | 69 (4) | 63 (8) |
Cardiac output (l/min) | ||||
Pre‐race | 7.9 (2.0) | 6.4 (1.5) | 7.6 (2.0) | 6.4 (1.5) |
Post‐race | 6.9 (2.1) | 7.3 (1.8) | 8.1 (2.0) | 7.0 (1.7) |
2–6 weeks | 7.5 (1.8) | 6.3 (1.8) | 7.8 (2.0) | 6.3 (1.8) |
Wall motion score | ||||
Pre‐race | 16.0 (0) | 16.4 (1.8) | 16.0 (0) | 16.4 (1.9) |
Post‐race | 16.8 (1.6) | 17.8 (2.1) | 17.4 (2.2) | 17.7 (2.0) |
2–6 weeks | 16.3 (0.6) | 16.1 (0.3) | 16.3 (0.6) | 16.1 (0.3) |
Global LVF | ||||
Pre‐race | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Post‐race | −1.1 (0.8) | −0.48 (0.60) | −0.83 (0.8) | −0.50 (0.62) |
2–6 weeks | 0 (0) | −0.06 (0.17) | 0 (0) | 0.06 (0.16) |
Data expressed as mean (SD).
*4 of these participants underwent echocardiography two to six weeks post‐race.
†17 of these participants underwent echocardiography two to six weeks post‐race.
‡3 of these participants underwent echocardiography two to six weeks post‐race.
§18 of these participants underwent echocardiography two to six weeks post‐race.
cTnT, cardiac troponin T; LVF, left ventricular function.