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Half-ironman induces changes in the kidney function of triathletes

Overview of attention for article published in Anais da Academia Brasileira de Ciências, March 2014
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Title
Half-ironman induces changes in the kidney function of triathletes
Published in
Anais da Academia Brasileira de Ciências, March 2014
DOI 10.1590/0001-37652014112912
Pubmed ID
Authors

Enrico F Puggina, Dalmo R L Machado, Hugo Tourinho Filho, Valdir J Barbanti

Abstract

Long duration exercise may lead to the occurrence of urine abnormalities. Aiming to investigate the effects of triathlon training and competition on the renal function, twelve male triathletes (32.60 ± 5.10 years, 175.04 ± 6.67m, 71.83 ± 7.42Kg) were studied during the 12-week training protocol and after a Half Ironman. Urine was collected in M-1 - beginning of the training season, M-2 - before the competition and M-3 - after the half ironman. Urine pH was measured using reagent strips, density with a refractometer, proteinuria by Bradford assay, creatinine with a colorimetric assay and blood cells by microscopy. Data were analyzed using Shapiro-Wilk test, One-Way ANOVA and Tukey-Kramer test (p < 0,05). Changes were found after the competition in the protein (M-1= 7.41 ± 2.48; M-2= 7.57 ± 3.74; M-3= 86.10 ± 76.21 mg/mL), creatinine (M-1= 157.66 ± 41.59; M-2= 177.68 ± 44.46; M-3= 316.46 ± 132.86 mg/mL), erythrocytes (M-1= 1060.00 ± 0.30; M-2= 1142.86 ± 377.96; M-3= 52555.56 ± 58.65 units/mL) and leucocytes (M-1= 2375.00 ± 744.02; M-2= 2090.00 ± 0.50; M-3= 5000.00 ± 2738.60 units/mL) excretion when compared to the other collection times. These effects are probably due to the exercise-induced modifications in the glomerular membrane and endocrine variables such as anti diuretic hormone, catecholamines and aldosterone.

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The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 3%
Unknown 34 97%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 11 31%
Student > Master 6 17%
Student > Ph. D. Student 4 11%
Researcher 3 9%
Other 2 6%
Other 6 17%
Unknown 3 9%
Readers by discipline Count As %
Sports and Recreations 10 29%
Nursing and Health Professions 7 20%
Agricultural and Biological Sciences 6 17%
Medicine and Dentistry 3 9%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 5 14%
Unknown 3 9%