NEJM:无症状主动脉瓣狭窄患者应选择早期手术还是保守治疗?

2020-01-09 xing.T MedSci原创

由此可见,在无症状严重主动脉瓣狭窄患者中,接受早期主动脉瓣膜置换手术的患者在随访期间因心血管原因而导致的手术死亡或死亡的复合结局发生率显著低于接受保守治疗的患者。

在无症状的严重主动脉瓣狭窄患者中进行手术干预的时机和适应症仍存在争议。近日,顶级医学期刊NEJM上发表了一篇研究文章,在一项多中心试验中,研究人员随机分配了145例无症状的严重主动脉瓣狭窄患者(定义为主动脉瓣面积≤0.75cm2,主动脉射流速度≥4.5 m/s或平均经主动脉斜度≥50 mmHg)按照当前指南的建议进行早期手术或保守治疗。

该研究的主要终点是在整个手术期间或手术后30天内死亡(通常称为手术死亡率)或心血管原因死亡的复合结局。主要的次要终点是随访期间由于任何原因造成的死亡。

在早期手术组中,随机分组后2个月内73例患者中有69例(95%)接受了手术,无手术死亡。在意向性治疗分析中,早期手术组1例患者(1%)发生主要终点事件,保守治疗组72例患者中的11例(15%)发生主要终点事件(风险比为0.09;95%置信区间[CI]为0.01至0.67;P=0.003)。早期手术组的5例患者(7%)和保守治疗组的15例患者(21%)死于任何原因(风险比为0.33;95%CI为0.12至0.90)。在保守治疗组中,猝死的累积发生率在4年时为4%,在8年时为14%。

由此可见,在无症状严重主动脉瓣狭窄患者中,接受早期主动脉瓣膜置换手术的患者在随访期间因心血管原因而导致的手术死亡或死亡的复合结局发生率显著低于接受保守治疗的患者。

原始出处:

Duk-Hyun Kang,et al.Early Surgery or Conservative Care for Asymptomatic Aortic Stenosis.NEJM.2020.https://www.nejm.org/doi/full/10.1056/NEJMoa1912846

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    2020-01-09 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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