Lancet杂志刊登欧洲11国研究:女士抗心衰药物用量或需减半

2019-09-08 朱柳媛 中国循环杂志

目前,对于射血分数降低的心衰患者,指南推荐应用血管紧张素转换酶抑制剂(ACEI)或血管紧张素受体拮抗剂(ARB)以及β受体阻滞剂治疗,男女患者的用量一样。然而,近日发表在Lancet杂志上的一项欧洲研究提示,女性患者实际所需的上述抗心衰药物剂量可能要低于男性患者,大约只需要指南推荐量的一半。研究者首先通过对BIOSTAT-CHF研究进行事后分析发现,在男性患者中,当以指南推荐剂量应用上述抗心衰药物

目前,对于射血分数降低的心衰患者,指南推荐应用血管紧张素转换酶抑制剂(ACEI)或血管紧张素受体拮抗剂(ARB)以及β受体阻滞剂治疗,男女患者的用量一样。

然而,近日发表在Lancet杂志上的一项欧洲研究提示,女性患者实际所需的上述抗心衰药物剂量可能要低于男性患者,大约只需要指南推荐量的一半。

研究者首先通过对BIOSTAT-CHF研究进行事后分析发现,在男性患者中,当以指南推荐剂量应用上述抗心衰药物治疗时,死亡或因心衰住院的风险最低。

但在女性患者中,抗心衰药物应用剂量达到指南推荐量的50%时,死亡或因心衰住院的风险大约降低30%,而增加药物用量并不会有进一步获益。

校正包括年龄、体表面积等在内的因素后,上述性别差异仍然存在。

研究者进一步在ASIAN-HF注册登记队列中进行了验证研究,得到了几乎一样的结果。

BIOSTAT-CHF研究是一项前瞻性研究,从欧洲11个国家纳入1710例射血分数降低(<40%)的心衰患者,男女患者分别还有1308人和402人。这些患者均应用ACEI或ARB以及β受体阻滞剂治疗,所有患者治疗开始后均存活三个月以上。

与男性患者相比,女性患者年龄较大(74岁 vs 70岁),体重较轻,身高较矮,但体重指数相似。

在男性和女性患者中,ACEI或ARB(25% vs 23%)、β受体阻滞剂(14% vs 13%)用量达到指南推荐目标剂量者比例相似。

ASIAN-HF研究纳入3539名男性、961名女性射血分数降低的心衰患者。

来源:Bernadet T Santema, et al. Identifying optimal doses of heart failure medications in men compared with women: a prospective, observational, cohort study. Lancet, Published: August 22, 2019

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    2020-07-16 howi
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