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Influence of racing on the serum concentrations of the cardiac biomarkers troponin I and creatine kinase myocardial band (CK-MB) in racing greyhounds
Faculty
Veterinary Medicine
Year:
2013
Type of Publication:
Article
Pages:
900-902
Authors:
Tharwat, Mohamed, Al-Sobayil, Fahd, Buczinski, Sebastien
DOI:
10.1016/j.tvjl.2013.01.023
Journal:
VETERINARY JOURNAL ELSEVIER SCI LTD
Volume:
197
Research Area:
Veterinary Sciences
ISSN
ISI:000326667600070
Keywords :
Cardiac biomarkers, Creatine kinase myocardial band (CK-MB), Cardiac troponin I (cTnI), Greyhounds, Racing dog
Abstract:
The objective of this study was to investigate the effect of racing on the serum concentrations of cardiac troponin I (cTnI) and creatine kinase myocardial band (CK-MB) in 32 racing greyhounds. Blood samples were collected 24 h prior to a 7 km race (T0), within 2 h of completion of the race (T1), and 24 h post-race (T2). Blood samples were also collected from 20 non-racing greyhounds. The median cTnI concentration in the racing greyhounds was not significantly different from that in the non-racing greyhounds (0.045 ng/mL). Before racing, the median cTnI concentration in the racing greyhounds was 0.050 ng/mL. Following the 7 km race, 31/32 greyhounds showed increases in cTnI concentrations which were significantly higher than the pre-race concentrations (P < 0.0001). cTnI concentrations dropped back 24 h post-race to values not significantly different from the pre-race concentrations. Following the race, 5/32 greyhounds showed mild increases in CK-MB concentrations but these were not significantly different from the pre-race values. These findings could be of importance when evaluating greyhounds with suspected cardiac disease that have recently performed hard exercise. (C) 2013 Elsevier Ltd. All rights reserved.
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