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布美他尼与速尿:健康男性剂量反应曲线的比较

Bumetanide and frusemide: a comparison of dose-response curves in healthy men.

作者信息

Ramsay L E, McInnes G T, Hettiarachchi J, Shelton J, Scott P

出版信息

Br J Clin Pharmacol. 1978 Mar;5(3):243-7. doi: 10.1111/j.1365-2125.1978.tb01631.x.

Abstract

1 Log dose-responses for the loop diuretics bumetanide and frusemide in healthy subjects deviated significantly from parallelism as regards urine volume and sodium excretion. Ignoring the nonparallelism the best estimate of natriuretic potency (bumetanide: frusemide) was 46:1 in the bumetanide dose range 0.5-2 mg. 2 For a given natriuresis the urinary potassium excretion following bumetanide was significantly lower than that for frusemide within this dose range. 3 The data illustrate the limitations of studies comparing diuretics at a single dose level. Extrapolation of the observed log dose-response curves provides one possible explanation for the relative potency (bumetanide: frusemide) of 20:1 reported when the drugs are used at high dosage in patients with renal failure.

摘要
  1. 健康受试者中,袢利尿剂布美他尼和呋塞米的对数剂量反应在尿量和钠排泄方面显著偏离平行性。忽略这种不平行性,在布美他尼剂量范围0.5 - 2毫克内,利钠效能(布美他尼:呋塞米)的最佳估计值为46:1。2. 在该剂量范围内,对于给定的利钠作用,布美他尼后的尿钾排泄显著低于呋塞米。3. 这些数据说明了在单一剂量水平比较利尿剂的研究的局限性。观察到的对数剂量反应曲线的外推为肾衰竭患者高剂量使用这些药物时报告的相对效能(布美他尼:呋塞米)为20:1提供了一种可能的解释。

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引用本文的文献

本文引用的文献

7
Bumetanide: potent new "loop" diuretic.布美他尼:强效新型“袢”利尿剂。
Br Med J. 1972 Jan 22;1(5794):211-3. doi: 10.1136/bmj.1.5794.211.
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Furosemide and bumetanide: a study of responses in normal English and German subjects.
Clin Pharmacol Ther. 1976 May;19(5 Pt 1):538-45. doi: 10.1002/cpt1976195part1538.

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