Myocardial Injury and Overload among Amateur Marathoners as Indicated by Changes in Concentrations of Cardiovascular Biomarkers

Anna Maria Kaleta-Duss, Zuzanna Lewicka-Potocka, Alicja Dąbrowska-Kugacka, Grzegorz Raczak and Ewa Lewicka
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Anna Maria Kaleta-Duss: Department of Cardiology and Electrotherapy, Medical University of Gdańsk, 80-210 Gdańsk, Poland
Zuzanna Lewicka-Potocka: Department of Cardiology and Electrotherapy, Medical University of Gdańsk, 80-210 Gdańsk, Poland
Alicja Dąbrowska-Kugacka: Department of Cardiology and Electrotherapy, Medical University of Gdańsk, 80-210 Gdańsk, Poland
Grzegorz Raczak: Department of Cardiology and Electrotherapy, Medical University of Gdańsk, 80-210 Gdańsk, Poland
Ewa Lewicka: Department of Cardiology and Electrotherapy, Medical University of Gdańsk, 80-210 Gdańsk, Poland

IJERPH, 2020, vol. 17, issue 17, 1-11

Abstract: Marathons continue to grow in popularity among amateurs. However, the impact of intensive exercise on the amateur’s cardiovascular system has not yet been studied. Analysis of the influence of the marathon on kinetics of biomarkers reflecting cardiac injury and overload may bring new insights into this issue. We investigated the effect of running a marathon on the concentrations of high sensitivity cardiac troponin I (hs-cTnI), heart-type fatty acid binding protein (H-FABP), N-terminal proatrial natriuretic peptide (NT-proANP), B-type natriuretic peptide (BNP), growth differentiation factor 15 (GDF-15) and galectin 3 (Gal-3) in the population of male amateur runners. The study included 35 amateur marathoners and followed 3 stages: S1—two weeks prior to the marathon, S2—at the finish line and S3—two weeks after. Blood samples were collected at each stage and analyzed for biomarkers and laboratory parameters. Concentrations of all studied biomarkers were significantly higher at S2, whereas at S3 did not differ significantly compared to S1. Running a marathon by an amateur causes an acute rise in biomarkers of cardiac injury and stress. Whether repetitive bouts of intensive exercise elicit long-term adverse cardiovascular effects in amateur marathoners needs further research.

Keywords: marathon; sports cardiology; athlete’s heart; biomarkers (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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