尚不清楚该项研究中哪些车手用过哪些有助提高成绩的药物,因此从该项研究中得到的有关促红细胞生成素的见解很有限。
But, because the use of Epo was thought to be common among cyclists in the Tour de France in the 1990s, researchers expected that if Epo was linked to heart attacks, they would see an uptick in the number of deaths among riders in the past 20 years, as compared with competitors in previous decades, according to Dr. Marijon.
不过,马里恩说,由于促红细胞生成素的使用被认为在20世纪90年代环法自行车赛的车手中比较普遍,研究人员推测,若促红细胞生成素会造成心脏病发作,那么过去20年间的死亡的车手人数与之前相比会有所上升。
Instead, they observed no difference in the rate of death by decade, suggesting that 'probably there is no strong or immediate association with doping' and heart attack, said Dr. Marijon. He urged caution in interpreting the results and said that more research is needed over a longer period of a time.
马里恩说,但是他们并没有观察到以十年为周期的死亡率有什么差别,这表明“服用促红细胞生成素与心脏病发作之间并没有很强或直接的关联”。他敦促大家在解读研究结果时应谨慎,并表示需要更多的研究及增加研究的时间段。
The study also is being published Tuesday in the European Heart Journal.
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