Abstract
The aim of study was to assess the correlation between the changes in serum CK activity after a resistance exercise and renal function measured by glomerular filtration rate (eGFR). Twenty-nine trained women (32 ± 10 years; 157 ± 4 cm; 58.8 ± 6.4 kg) performed a resistance exercise session with 17 exercises with 3 × 12 repetitions in a circuit training fashion. Subjects provided blood samples prior to exercise session (PRE), and at 24, 48, and 72 h following exercise session for creatine kinase (CK) and creatinine. 24-Urine samples were collected before and 72 h after exercises. eGFR was obtained by the three most recommended methods (MDRD; MCQE; Cockcroft-Gault). After the exercise session, serum CK activity increase up 1.68 times (P < 0.01). Serum creatinine increased 25.5% (P = 0.0000) while urinary creatinine decreased on average 6.4% (P = 0.0422). eGFR decreased in all formulas: MDRD by 21.5%, MCQE by 14.2%, and C-G by 17% (all with P < 0.01). Ccr also decreased (−22.9%, P < 0.01). The index of correlation was significant for MDRD (r = −0.924; P < 0.01), C-G (r = −0.884; P < 0.01), and MQCE (r = −0.644; P < 0.05). In conclusion, we observed a significant negative correlation between CK activity and the eGFR indices of renal function.
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For Priscilla Clarkson for helpful comments on the manuscript. For Felipe Sampaio-Jorge for your help in statistics.
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Machado, M., Zini, E.N., Valadão, S.D. et al. Relationship of glomerular filtration rate and serum CK activity after resistance exercise in women. Int Urol Nephrol 44, 515–521 (2012). https://doi.org/10.1007/s11255-011-9963-4
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DOI: https://doi.org/10.1007/s11255-011-9963-4