Eur Heart J:卡格列净对糖尿病合并慢性肾病患者血钾的影响

2021-08-23 MedSci原创 MedSci原创

在接受肾素-血管紧张素-醛固酮系统抑制剂治疗的患者中,用卡格列净抑制SGLT2可能会降低T2DM合并CKD患者的高钾血症风险,而不会增加低钾血症的风险。

高钾血症是2型糖尿病(T2DM)的常见并发症,限制了最佳阻断肾素-血管紧张素-醛固酮系统药物的使用,尤其是在慢性肾病(CKD)患者中。在CKD患者中,钠-葡萄糖协同转运蛋白2(SGLT2)抑制剂可提供心肾保护,但它们是否会影响高钾血症的风险仍未明确。

 
近日,心血管领域权威杂志Eur Heart J上发表了一篇研究文章,CREDENCE试验将4401名患有T2DM和CKD的参与者随机分配至SGLT2抑制剂卡格列净或匹配的安慰剂组。在这项使用意向治疗方法的事后分析中,研究人员评估了卡格列净对研究者报告的高钾血症或开始使用钾结合剂的时间的复合结局的影响。研究人员还分析了对中心实验室确定的高钾血症和低钾血症(血清钾分别≥6.0和<3.5mmol/L)和血清钾变化的影响。

基线时,卡格列净组和安慰剂组的平均血清钾为4.5mmol/L;4395(99.9%)名参与者正在接受肾素-血管紧张素系统阻断治疗。与安慰剂相比,研究人员报告的高钾血症或开始使用钾结合剂的发生率低于安慰剂[每1000患者年发生率为32.7 vs. 41.9人;风险比(HR)为0.78,95%置信区间(CI)为0.64–0.95,P=0.014]。

卡格列净类似地降低了实验室确诊的高钾血症发生率(HR为0.77,95%CI为0.61-0.98,P=0.031),对低钾血症的风险没有影响(HR为0.92,95%CI为0.71-1.20,P=0.53)。随着时间的推移,使用卡格列净治疗的平均血清钾与安慰剂治疗组相似。
 
由此可见,在接受肾素-血管紧张素-醛固酮系统抑制剂治疗的患者中,用卡格列净抑制SGLT2可能会降低T2DM合并CKD患者的高钾血症风险,而不会增加低钾血症的风险。

原始出处:

Brendon L Neuen.et al.Effects of canagliflozin on serum potassium in people with diabetes and chronic kidney disease: the CREDENCE trial.European Heart Journal.2021.https://doi.org/10.1093/eurheartj/ehab497

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    2021-08-25 zhaojie88
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    2021-08-25 slcumt
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    2021-08-23 misszhang

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