Circulation:射血分数降低的心衰患者应用达格列净后 eGFR 初始下降的发生情况

2022-08-15 MedSci原创 MedSci原创

开始使用达格列净后 eGFR 的平均下降幅度很小,而且与安慰剂相同降低幅度的患者相比,与更好的临床结局相关

钠-葡萄糖协同转运蛋白 2 (SGLT2) 抑制剂可降低射血分数降低的心力衰竭 (HF) 患者的心衰恶化和心源性死亡的风险,同时还可以降低 HFrEF 患者和慢性肾病患者(无论是否患有 2 型糖尿病)的估计肾小球滤过率 (eGFR) 的长期下降率,减缓终末期肾病的发展。

但是,在刚应用 SGLT2 抑制剂时,SGLT2 抑制剂会导致 eGFR 初始下降,特别是在基线 eGFR 降低的患者中,这引起了一些临床关注。

在 DAPA-HF 试验的事后分析中,研究人员评估了射血分数降低的心衰患者开始应用达格列净后 eGFR 早期下降的发生率及其相关预后。

在该试验中,eGFR≥30 mL/min·1.73m2 的有无合并 2 型糖尿病的 HFrEF 患者被随机分至安慰剂组或达格列净组(10 mg/日)。主要终点是心衰恶化或心血管死亡的复合终点。eGFR 早期下降即第 2 周时 eGFR 下降 >10%。


两组不同年龄段患者 eGFR 的变化情况

第14天时,安慰剂组和达格列净组患者的 eGFR 相比第 0 天时的平均变化分别是 -1.1 mL/min·1.73m2 和 -4.2 mL/min·1.73m2,组间差异是 3.1 mL/min·1.73m2。达格列净组 eGFR 降低 >10%、>20%、>30% 的患者比例分别是38.2%、12.6%和3.4%;而安慰剂组对于的比例分别是 21.0%、6.4%和1.3%。与安慰剂组相比,达格列净组患者 eGFR 下降>10%的优势比是 2.36(p<0.001)。

与 eGFR 下降 >10%相关的基线特征有老年、低 eGFR、高射血分数和 2 型糖尿病。与 eGFR 下降≤10%的患者相比,安慰剂组 eGFR 下降 >10%的患者的主要结局风险比为 1.45;达格列净组相应的风险比是 0.73(p<0.001)。eGFR 初期下降>10%与 eGFR 长期下降更多或更多不良反应无关。

综上,开始使用达格列净后 eGFR 的平均下降幅度很小,而且与安慰剂相同降低幅度的患者相比,与更好的临床结局相关。

 

原始出处:

Carly Adamson, et al. Initial Decline (Dip) in Estimated Glomerular Filtration Rate After Initiation of Dapagliflozin in Patients With Heart Failure and Reduced Ejection Fraction: Insights From DAPA-HF. Circulation. 2022;146:438–449. https://doi.org/10.1161/CIRCULATIONAHA.121.058910

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    2022-10-19 delianjihui

    对心血管预后有好处

    0

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    2022-08-17 liuyiping

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