Abstract:
BACKGROUND:High sensitivity cardiac troponins I (hs-cTnI) and T (hs-cTnT) and natriuretic peptides (BNP and NT-proBNP) are universally recognized as cardiac reference biomarkers in patients with acute coronary syndromes and heart failure respectively. However, while on one hand the high sensitivity methods of cardiac biomarkers have provided answers to fundamental pathophysiological and clinical questions in patients with heart disease, less information is available on their assessment in paraphysiological conditions, such as high intensity exercise in healthy athletes. The aim of this study was to evaluate hs-cTnI and NT-proBNP in highly trained runners after a 50 km ultramarathon. METHODS:We have enrolled 20 highly trained male athletes who have run a 50 km ultramarathon. Blood samples were collected 2 hours before the start of the race (T0) and 20 minutes after the end of the race (T1). The blood concentrations of hs-cTnI and NT-proBNP measured before the race were within reference intervals in all runners. RESULTS:Hs-cTnI significantly increased after the end of the race (median: 19 ng/L [IQR: 12.5-25.75] versus 6 ng/L [IQR: 4.25-8.0]; P<0.001), in three cases over the upper reference limit (URL) of 34 ng/L. NT-proBNP also significantly increased (median: 78 ng/L [IQR: 68.25-87.75] versus 22 ng/L [IQR: 18.25-26.75]; P<0.001). Three other athletes reached concentration over the URL (125 ng/L). CONCLUSIONS:Our study showed a significant increase in hs-cTnI and NT-proBNP in highly trained athletes after a 50 km ultramarathon race, and 30% of runners had the values of cardiac biomarkers above URL. More studies with a larger number of athletes will be needed to better understand the effects of intense exercise on the heart of trained athletes.
journal_name
Minerva Cardioangioljournal_title
Minerva cardioangiologicaauthors
Perrone MA,Macrini M,Maregnani A,Ammirabile M,Clerico A,Bernardini S,Romeo Fdoi
10.23736/S0026-4725.20.05281-0subject
Has Abstractpub_date
2020-08-01 00:00:00pages
305-312issue
4eissn
0026-4725issn
1827-1618pii
S0026-4725.20.05281-0journal_volume
68pub_type
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journal_title:Minerva cardioangiologica
pub_type: 杂志文章,评审
doi:
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journal_title:Minerva cardioangiologica
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journal_title:Minerva cardioangiologica
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journal_title:Minerva cardioangiologica
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doi:
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doi:
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pub_type: 临床试验,杂志文章
doi:
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