Effect of one session endurance exhausting exercise on some coagulation markers of mature and immature wistar rats Print
The incidence of thrombosis is lower in children and prepubertal period than adults. But its incidence increases in adolescence. The aim of this study was comparing the effect of one session of endurance exhaustive exercise in different times on some of coagulation systems markers in pre and after maturation wistar rats.
Material And Methods
27mature male wistar rats with 241±5 grams mean weight and 27 immature male rats with 97±5 grams mean weight which were 14 and 5 weeks old، respectively، after two weeks getting accustomed to the new environment and treadmill، were divided into one control and two exercising groups. Then، sampling was performed immediately and after 24 hours after exercise. Exhausting endurance exercise program involved increasing the speed of treadmill until getting exhausted. Fibrinogen، APTT، and PT were measured with the Clause and coagulation methods. The analysis was performed by using independent t-test، one-way variance analysis and tukey test. Significance level was assigned for all statistical analysis (p≤0. 050).
Results in immature and mature rats groups indicated that amounts of fibrinogen has had significant reduction immediately after exercise (p=0. 004، p=0. 047)، and 24 hours after exercise were significantly increased only in mature rats (p=0. 000). Also، APTT in all groups decreased immediately and 24 hours after exercise but it was significant just 24 hours after exercise.
Due to the increased fibrinogen and decreased APTT at 24 hours after exhaustive endurance exercise in mature and immature rats، it seems that performing such activities in children and inactive adults must be accompanied with special considerations.
Iranian South Medical Journal, Volume:16 Issue:2, 2013
80 - 91
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