López-Laval Isaac, Legaz-Arrese Alejandro, George Keith, Serveto-Galindo Olga, González-Rave José María, Reverter-Masia Joaquín, Munguía-Izquierdo Diego
Clin Chem Lab Med. 2016 Feb;54(2):333-8. doi: 10.1515/cclm-2015-0304.
Available scientific data related to cardiac troponin I (cTnI) release after intermittent exercise is limited. It is also of interest to determine what personal or environmental factors mediate the exercise-induced release of cTnI. This study had two objectives: 1) to examine the individual release of cTnI to a basketball match; and 2) to establish the influence of athlete status as well as biological age on cTnI release.
Thirty-six basketball players (12 adult elite [PBA]: 27.3±4.1 years, 12 adult amateur [ABA]: 29.6±2.9 years, and 12 junior elite [JBA]: 16.6±0.9 years) participated in a simulated basketball match with serial assessment of cTnI at rest, immediately post- and at 1, 3, 6, 12, and 24 h post-exercise.
The basketball match increased cTnI levels (pre: median [range]; 0.006 [0.001-0.026]; peak post: 0.024 [0.004-0.244] μg/L; p=0.000), with substantial individual variability in peak values. PBA and JBA players showed higher baseline and post-exercise cTnI values than ABA (all p<0.05). Peak cTnI exceeded the upper reference limit (URL) in the 26% of players (3 PBA; 6 JBA).
The current results suggest that intermittent exercise can promote the appearance of cTnI and that this is potentially mediated by athlete status.
关于间歇性运动后心肌肌钙蛋白I（cTnI）释放的现有科学数据有限。确定哪些个人或环境因素介导运动诱导的cTnI释放也很有意义。本研究有两个目标：1）检查cTnI在篮球比赛中的个体释放情况；2）确定运动员状态以及生物学年龄对cTnI释放的影响。
36名篮球运动员（12名成年精英球员[菲律宾篮球协会（PBA）]：27.3±4.1岁，12名成年业余球员[业余篮球协会（ABA）]：29.6±2.9岁，12名青少年精英球员[青少年篮球协会（JBA）]：16.6±0.9岁）参加了一场模拟篮球比赛，并在休息时、运动后即刻以及运动后1、3、6、12和24小时对cTnI进行了连续评估。
篮球比赛使cTnI水平升高（运动前：中位数[范围]；0.006[0.001 - 0.026]；运动后峰值：0.024[0.004 - 0.244]μg/L；p = 0.000），峰值存在显著的个体差异。PBA和JBA球员的基线和运动后cTnI值高于ABA球员（所有p<0.05）。26%的球员（3名PBA球员；6名JBA球员）的cTnI峰值超过了参考上限（URL）。
目前的结果表明，间歇性运动可促进cTnI的出现，这可能由运动员状态介导。
