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Thromb Res:阜外学者研究称,大内皮素-1升高者支架内血栓形成风险增加

2017-09-27 朱柳媛 中国循环杂志

阜外医院徐波、袁晋青等发表的一项研究表明,在置入冠脉支架的患者尤其急性冠脉综合征患者中,血浆大内皮素-1水平可独立预测支架内血栓形成风险。

阜外医院徐波、袁晋青等发表的一项研究表明,在置入冠脉支架的患者尤其急性冠脉综合征患者中,血浆大内皮素-1水平可独立预测支架内血栓形成风险。

该研究显示,血浆大内皮素-1水平越高,支架内血栓形成风险高。大内皮素-1水平最低(<0.25 pmol/L)、中等(0.25~0.31 pmol/L)、最高(≥0.31 pmol/L)的患者内支架血栓形成发生率依次为0.56%、0.74%和1.48%。

多因素校正分析表明,大内皮素-1水平最高的患者发生支架内血栓形成的风险是大内皮素-1水平最低者的2.06倍。

亚组分析表明,在急性冠脉综合征患者中,大内皮素-1水平最高者发生支架血栓形成风险是大内皮素-1水平最低者的2.29倍;但在稳定性冠心病患者中,大内皮素-1水平与支架内血栓形成风险无关。此外,大内皮素-1水平较高的患者往往年龄较大。

研究者指出,成功置入冠脉支架的患者如果大内皮素-1水平较高,发生支架内血栓形成的风险增加。应用内皮素-1拮抗剂等药物是否可以降低支架内血栓形成风险,还需要在未来的研究中进一步探讨。

该研究于2013年连续纳入8106例成功置入冠脉支架的患者。支架置入术后2年时,确定的以及很可能的支架血栓形成发生率为0.84%。

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    2017-09-27 惠映实验室

    学习了.谢谢.

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