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A single-bout of one-hour spinning exercise increases troponin T in healthy subjects.
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap.ORCID-id: 0000-0002-8786-0438
2012 (engelsk)Inngår i: Scandinavian Cardiovascular Journal, ISSN 1401-7431, E-ISSN 1651-2006, Vol. 46, nr 1, s. 2-6Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

OBJECTIVES: While long-term endurance exercise is known to increase cardiac biomarkers, only a few studies on short-term exercise and these markers have been reported. The aim of this study was to investigate the acute effects of a one-hour bicycle spinning on cardiac biomarkers in healthy individuals.

DESIGN: Serum levels of high-sensitive troponin T (TnT), creatinine kinase MB fraction (CK-MB), N-terminal pro-brain natriuretic peptide (NT-proBNP), creatinine kinase (CK) and myoglobin were measured at baseline, 1 and 24 hour after one hour of spinning exercise in ten healthy and fit (age 31.0 ± 6.6 years) individuals.

RESULTS: TnT doubled one hour post-exercise (All values ≤ 5 - 9.7 ± 6.0 ng/L, p < 0.001). Two individuals had TnT levels above upper reference limit, URL (20.7 and 20.2 ng/L, URL = 12 ng/L). Myoglobin levels increased 72% one hour post-exercise (38 ± 20 - 66 ± 41 mg/L, p < 0.02). TnT and myoglobin levels returned to baseline 24 hour post-exercise. Serum levels of CK-MB, NT-proBNP and CK were not significantly changed.

CONCLUSIONS: A single-bout of one-hour bicycle spinning transiently increases TnT and myoglobin in healthy subjects. Some subjects even have TnT release above URL. Thus, recently performed exercise also of short duration should be taken into consideration in the evaluation of acute chest pain with release of cardiac TnT.

sted, utgiver, år, opplag, sider
2012. Vol. 46, nr 1, s. 2-6
HSV kategori
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URN: urn:nbn:se:gih:diva-2588DOI: 10.3109/14017431.2011.622783PubMedID: 22214280OAI: oai:DiVA.org:gih-2588DiVA, id: diva2:580049
Tilgjengelig fra: 2012-12-20 Laget: 2012-12-20 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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