Circulation:非法合成代谢雄激素类固醇对心血管系统有何长期影响?

2017-07-24 石岩 环球医学

20世纪80年代以后,在男性中逐渐流行使用一种非法合成代谢雄激素类固醇(AAS)以获得肌肉量,尤其在运动员或健美教练中。2017年5月,发表在《Circulation》的一项由美国科学家进行的研究,考察了使用AAS对心血管系统的长期影响。



20世纪80年代以后,在男性中逐渐流行使用一种非法合成代谢雄激素类固醇(AAS)以获得肌肉量,尤其在运动员或健美教练中。2017年5月,发表在《Circulation》的一项由美国科学家进行的研究,考察了使用AAS对心血管系统的长期影响。

背景:数百万人使用过非法AAS,但仍不完全了解这些药物的长期心血管相关风险。

方法:使用横断面队列设计,研究人员招募了140名34~54岁的有经验的男性举重运动员,包括86人报告累积使用AAS≥2年和54名非使用者。使用经胸壁超声心动图和冠状动脉计算机断层扫描(CT)血管造影,研究人员评估了3项主要结局的测量:左心室(LV)收缩功能(左心室射血分数)、LV舒张功能(早期松弛速度)和冠状动脉粥样硬化(冠状动脉斑块体积)。

结果:与非使用者相比,AAS使用者显示出LV收缩功能的相对降低(mean±SD[平均值±标准差] 左心室射血分数:52±11% vs 63±8%;P<0.001)和LV舒张功能的相对降低(早期松弛速度=9.3±2.4 cm/秒 vs 11.1±2.0 cm/秒;P<0.001)。与评估时未服用AAS者(N=28)相比,正在服用AAS者(N=58)显示出显着降低的LV收缩(左心室射血分数=49±10% vs 58±10%;P<0.001)和舒张功能(早期松弛速度=8.9±2.4 cm/秒 vs 10.1±2.4 cm/秒;P=0.035)。此外,AAS使用者比非使用者显示出更大的冠状动脉斑块体积(中位[四分位差]3[0,174]mL vs 0[0,69]mL3;P=0.012)。累积AAS剂量与冠状动脉粥样硬化的负担密切相关(斑块体积排名[95%置信区间]随AAS使用积累持续时间每10年的增加而增长:0.60 SD单位[0.16~1.03 SD单位];P=0.008)。

结论:长期AAS使用或与心肌功能障碍和冠状动脉粥样硬化加速相关。这些与AAS相关的不良心血管表型的形成,可能是一个既往被低估的公共健康问题。

原始出处:

Baggish AL, Weiner RB, Kanayama G, et al. Cardiovascular Toxicity of Illicit Anabolic-Androgenic Steroid Use. Circulation. 2017 May 23;135(21):1991-2002. doi: 10.1161/CIRCULATIONAHA.116.026945.

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    2017-07-24 hhh678

    henhao

    0

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    2017-07-24 惠映实验室

    学习了,谢谢。

    0