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Cardiac Biomarkers Following Marathon Running: Is Running Time a Factor for Biomarker Change?

Natthapon TraipermRungchai ChaunchaiyakulMartin BurtscherHannes Gatterer
Published in: International journal of sports physiology and performance (2021)
This study indicates that NT-proBNP release immediately after marathon running varies in a curvilinear fashion with running time. It is speculated that low NT-proBNP release is associated with training adaptation in most elite runners and the relatively low cardiac stress in the slowest (but experienced) runners. The combination of less adaptation and relatively large cardiac wall and metabolic stress may explain the highest NT-proBNP values in runners with average running times. In addition, NT-proBNP decrements 24 hours after the race depend primarily on the values reached after the marathon and not on running time.
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