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São Paulo, São Paulo, Brazil
Professor da EEFE-USP; Praticante e Pesquisador de Judô; Preparador físico de atletas de modalidades esportivas de combate.

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sábado, 31 de março de 2012

Marcadores de lesão renal após treino de karate

Asian J Sports Med. 2012 Mar;3(1):41-6.


The effect of exercise on urinary gamma-glutamyltransferase and protein levels in elite female karate athletes.

Shavandi N, Samiei A, Afshar R, Saremi A, Sheikhhoseini R.

Department of Sports Physiology, Arak University, Arak, Iran.

Abstract
PURPOSE: Post exercise proteinuria and increased urinary Gamma-Glutamyl transferase (GGT) levels can be indicative of exercise-induced renal damage. The aim of this investigation is to study the effect of one session of intensive training on renal damage markers and compare their values to those 6 hours after training.
METHODS: In this cross-sectional study with pre- and post-test design, 10 elite volunteer female athletes were selected and participated in one training session (2 hours). Urine samples were collected before training, one hour after training, and 6 hours after training. Urinary protein (Pr), creatinine (Cr), and GGT values were measured through laboratory methods and then Pr/Cr and GGT/Cr ratios were computed.
RESULTS: There were significant differences between values of protein, GGT and Creatinine in the three sampling phases (P<0.05). However, no significant differences were observed between values for GGT/Cr and Pr/Cr ratio. There were significant differences between the mean values of Creatinine, protein and GGT within pre-exercise and 1 hour post-exercise and within 1 hour post-exercise and 6 hours post-exercise (P<0.05).
CONCLUSION: It seems that a session of karate training does not result in renal damage and athletes can continue training after 6 hours.

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