非洲和非洲加勒比地区出身的精英运动员的右心室生理适应
Abbas Zaidi1, Saqib Ghani, Rajan Sharma
1St. George's University of London, London, United Kingdom.
Circulation
|March 30, 2013
概括
生理上的右心室 (RV) 扩大发生在所有种族的运动员中. 虽然黑人运动员显示RV尺寸略小,但种族影响最小,减少了对种族特定参考值的需求.
科学领域:
- 心脏病学 心脏病学
- 运动医学 运动医学
- 运动生理学 运动生理学
背景情况:
- 强烈的运动会诱导生理双心室心脏适应.
- 种族影响左心室重塑,黑人运动员表现出比白人运动员更大的缩.
- 黑人运动员的右心室 (RV) 改造是不具特征的,尽管ECG异常模仿非节律性RV心肌病.
研究的目的:
- 在黑人运动员中对RV改造的特征.
- 为了比较黑人和白人运动员之间的RV尺寸.
- 评估黑人运动员心电图异常的诊断影响.
主要方法:
- 对300名黑人运动员和375名白人运动员进行心电图和心电图评估.
- 与153名久坐不动的对照人群进行比较.
- 分析RV尺寸和ECG发现,包括T波逆转.
主要成果:
- 黑人和白人运动员的RV尺寸比对照组的RV尺寸更大.
- 黑人运动员的RV尺寸略小于白人运动员,种族差异很小.
- 包括T波逆转在内的心电图异常在黑人运动员中更为频繁,引发了对心律失常RV心肌病的担忧,尽管没有被诊断出来.
结论:
- 身体RV扩大在运动员中很常见,不论种族.
- 种族对RV尺寸的影响很小,因此无需特定种族的参考值.
- 由于经常出现心电图异常,黑人运动员有更高的错误诊断的风险为心律失常的RV心肌病变.
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