Moderate endurance exercise is not a risk for rhabdomyolysis or renal failure in sickle cell trait carriers

Abstract : This study tested the hypothesis that trained sickle cell trait (SCT) carriers are not subjected to greater risk of rhabdomyolysis or renal failure in response to moderate submaximal exercise than subjects with normal hemoglobin (CONT). Blood markers in 11 trained SCT carriers and 12 control counterparts were measured before and after 40 min of exercise at 55% of peak power output (Ppeak) conducted in thermoneutral environment. Body weights decreased with exercise in the same proportion in the two groups (from 65.1 ± 7.0 kg to 64.1 ± 7.0 kg and from 70.2 ± 6.6 to 68.6 ± 6.6 kg at the end of exercise in SCT and CONT, respectively). Heart rate and rectal temperature increased in the two groups in response to exercise, but the groups remained closely matched. Serum urea, CRP, CK and LDH were similar in the two groups and remained unchanged in response to exercise. Creatinine, Na + , K + , Cl − and myoglobin concentrations increased above baseline in response to exercise, with changes of the same magnitude in the two groups. In summary, the results of the present study suggest that moderate submaximal exercise is not unsafe from a biochemical point of view for sportsmen carrying SCT.
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https://hal.univ-antilles.fr/hal-01163943
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Submitted on : Monday, June 15, 2015 - 6:51:08 PM
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Laurent Messonnier, Abdoulaye Samb, Julien Tripette, Bertin Doubi Gogh, Gylna Loko, et al.. Moderate endurance exercise is not a risk for rhabdomyolysis or renal failure in sickle cell trait carriers. Clinical Hemorheology and Microcirculation, IOS Press, 2012, 51, pp.193-202. ⟨10.3233/CH-2011-1524⟩. ⟨hal-01163943⟩

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