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Increase of biomarkers after the Kalmar Ironman in male and female non-elite triathletes
Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences.
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.ORCID iD: 0000-0002-1626-4575
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.ORCID iD: 0000-0003-4934-8684
2016 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Strenuous and prolonged exercise like marathon, ultra running and triathlon can lead to changes in biomarkers of cardiac, muscle and kidney functional damage.

We present the data of 29 (15 male, 14 female) non-elite participants of the Kalmar Ironman 2015 3.8 km swimming, 180 km cycling, 42 km running). Pre-race electrocardiograms and echocardiograms showed a high frequency of abnormalities. Post race elevations of troponin T, creatine kinase, myoglobin, N-terminal pro b-type natriuretic peptide, aspartataminotransferas, creatinine and leucocytes returned to normal in almost all cases within 5-8 days. In 100% of male and 93% of female participants’ troponin T increase was compatible with the diagnosis of minor myocardial infarction. Some results are shown in the table (* denotes level of significance between male and female results).

                                           Before race         Directly after race        5-8 days after race

CK [µkat/L]                                      

male                                                 3.7 ± 2.1**       48,1 ± 44.1                4.5 ± 4.0

female                                   1.5 ± 0.7          30.5 ± 41.5                3.1 ± 3.6

Myoglobin [µg/L

male                                      58.3 ± 35.9        2449 ± 1923             51.3 ± 38.5

female                                    30.6 ± 11.0         1134 ± 756*             50.4 ± 67.7

Creatinine [µmol/L]

male                                       87.4 ± 11.4         119.9 ± 23.4           85.1 ± 12.1

female                                     73.0 ± 13.4         84.1 ± 14.1***        69.6 ± 6.3

p-NT-proBNP [ng/L]

male                                        60.1 ± 25.2          658.7 ± 354.9        61.9 ± 22.7

female                                      95.5 ± 69.5          907.9 ± 433.1        76.9 ± 26.9

Troponin T [ng/L]

male                                         8.5 ± 4.3             68.1 ± 41.1           7.4 ± 4.4

female                                       7.1 ± 4.9             54.3 ± 49.5           5.8 ± 1.7

The results will be discussed in the light of the current literature and the so far unanswered question about the long-term significance of repetitive organ damage due to strenuous exercise. Long-term follow-up of these athletes is needed.

Place, publisher, year, edition, pages
2016.
National Category
Cardiac and Cardiovascular Systems
Research subject
Natural Science, Medicine
Identifiers
URN: urn:nbn:se:lnu:diva-53549OAI: oai:DiVA.org:lnu-53549DiVA, id: diva2:937377
Conference
The 63rd annual conference of the Israel heart society, Tel Aviv, Israel, April 12-13, 2016
Available from: 2016-06-15 Created: 2016-06-15 Last updated: 2017-02-16Bibliographically approved

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Carlsson, JörgRagnarsson, ThonyDanielsson, TomBergman, Patrick

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