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Erythropoietin doping as cause of sudden death in athletes: an experimental study

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N. Piloto
H. M. Teixeira
E. Teixeira-Lemos
B. Parada
P. Garrido
J. Sereno
A. F. Pinto
E. Costa
L. Belo
A. Santos-Silva
R. Pinto
P. Couceiro
P. Neto
F. Xavier
L. Carvalho
F. Teixeira
F. Reis

Aims: To evaluate the cardiovascular (CV) effects of rhEPO treatment in rats under chronic aerobic exercise and to assess the probable cause of sudden death in one rat. Protocol: Male Wistar rats: control – sedentary; rhEPO – 50 IU/Kg/3xwk; swimming (EX) – 1hr, 3x/wk; EX+EPO. Haematology, catecholamines and serotonin, redox status and inflammation, were assessed. One rat of EX+EPO group suffered a sudden death episode. Results: rhEPO treatment in trained rats promoted several markers of increased CV risk. The sudden death rat tissues presented: lungs without signs of drowning; brain with vascular congestion; LV hypertrpphy and deregulation of cardiac fibers, together with a “cardiac liver”, suggesting the hypothesis of heart failure as cause of death. Conclusion: The sudden death of a EX+EPO rat, due to a cardiac episode, together with the increased CV risk profile, strongly suggest a high life risk associated to the continuous rhEPO doping. The anatomo-pathological studies were determinant to establish the cause of death

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ISBN:
eISBN: 978-989-26-0173-1
DOI: 10.14195/978-989-26-0173-1_47
Área: Ciências da Saúde
Páginas: 267-274
Data: 2010

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