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Ann Intern Med:治疗心衰新思路:利尿剂抵抗患者,可试用大剂量螺内酯

2019-08-07 xujing 中国循环杂志

圣安东尼奥大学健康研究发现,大剂量螺内酯(安体舒通)可以安全有效地缓解利尿剂抵抗患者的液体潴留。

圣安东尼奥大学健康研究发现,大剂量螺内酯(安体舒通)可以安全有效地缓解利尿剂抵抗患者的液体潴留。

心衰患者应用螺内酯的剂量通常为25~50 mg。在这项研究中,剂量增加到100 mg,有的患者甚至用到200 mg。

研究者指出,心衰患者的一般治疗是低盐饮食和利尿剂。呋塞米是常用的药物之一,应用后,患者的症状通常会得到改善。

但是大约15%~20%的患者没有好转,仍然有液体潴留,原因是患者对常用的利尿剂产生了抗药性,醛固酮水平非常高是产生这种抗药性的主要原因之一。

螺内酯抑制醛固酮的作用。该研究中,对标准治疗没有反应的心衰患者接受高剂量螺内酯,并监测尿量和呼吸。研究发现,他们中的大多数人的尿量大幅度增加,呼吸急促也有显着改善。

研究者认为,如果以这种方式治疗,一些患者可以避免透析治疗。

原始出处:Bansal S1, Munoz K2, Brune S3, et al. High-Dose Spironolactone When Patients With Acute Decompensated Heart Failure Are Resistant to Loop Diuretics: A Pilot Study. Ann Intern Med. 2019 Jul 16.

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