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运动诱导的青少年游泳运动员和成年游泳运动员心肌肌钙蛋白释放

Exercise-Induced Release of Cardiac Troponins in Adolescent vs. Adult Swimmers.

机构信息

Institut Nacional d'Educació Física de Catalunya (INEFC), Universitat de Lleida (UdL), 25192 Lleida, Spain.

Facultad de Ciencias de la Salud y del Deporte, Universidad de Zaragoza, 50009 Zaragoza, Spain.

出版信息

Int J Environ Res Public Health. 2021 Feb 1;18(3):1285. doi: 10.3390/ijerph18031285.

DOI:10.3390/ijerph18031285
PMID:33535387
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7908416/
Abstract

To examine the exercise-induced release of cardiac troponin T (cTnT) in adolescent and adult swimmers. Thirty-two trained male (18 adolescents, 14 adults) swam at maximal pace in a 45 min distance trial, and blood samples were drawn before, immediately and 3 h after exercise for subsequent cTnT analysis and comparison. Having comparable training experience and baseline values of cTnT ( = 0.78 and = 0.13), adults exercised at lower absolute and relative intensity ( < 0.001 and < 0.001, respectively), but presented higher immediate cTnT after exercise than adolescents ( < 0.001). Despite that, peak concentrations were observed at 3 h post exercise and peak elevations were comparable between groups ( = 0.074). Fourteen (44%) apparently healthy subjects exceeded the cutoff value for myocardial infarction (MI). Adolescents presented a delayed elevation of cTnT compared with adults, but achieved similar peak values.

摘要

目的

观察青少年和成年游泳运动员运动诱导的心肌肌钙蛋白 T(cTnT)释放。

方法

32 名男性游泳运动员(18 名青少年,14 名成年人)以最大速度进行 45 分钟的距离试验,在运动前、运动即刻和运动后 3 小时采集血样,进行 cTnT 分析和比较。

结果

成年组与青少年组具有相似的训练经验和 cTnT 的基线值( = 0.78 和 = 0.13),但运动时的绝对强度和相对强度较低( < 0.001 和 < 0.001),但运动后即刻的 cTnT 高于青少年( < 0.001)。尽管如此,峰值浓度仍在运动后 3 小时出现,两组之间的峰值升高相当( = 0.074)。14 名(44%)看似健康的受试者超过了心肌梗死(MI)的截止值。与成年组相比,青少年的 cTnT 升高延迟,但达到了相似的峰值。

结论

青少年和成年游泳运动员在最大速度的耐力运动后即刻和峰值 cTnT 浓度升高不同,且部分运动员的 cTnT 浓度升高超过 MI 的诊断截止值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e210/7908416/3798f5c49a9e/ijerph-18-01285-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e210/7908416/3798f5c49a9e/ijerph-18-01285-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e210/7908416/3798f5c49a9e/ijerph-18-01285-g001.jpg

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