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急性和慢性给药后吲哚洛尔与普萘洛尔对心率影响的比较。

Comparison of the effect of pindolol and propranolol on heart rate after acute and chronic administration.

作者信息

Finch M B, O'Connor P C, Harron D W, Shanks R G

出版信息

Br J Clin Pharmacol. 1983 Apr;15(4):431-4. doi: 10.1111/j.1365-2125.1983.tb01526.x.

Abstract

1 The present study compared the effects in healthy volunteers of the acute and chronic administration of placebo, pindolol and propranolol to see if the partial agonist activity of pindolol was reduced by the beta-adrenoceptor blocking activity of pindolol on chronic administration. 2 Five subjects received in random order for 8 days placebo, propranolol 160 mg and pindolol 10 mg; on days 1 and 8 treatments were given twice at 0 and 2 h. Heart rate in supine position and at end of exercise was recorded before dosing and at 2 and 4 h post-dosing on days 1 and 8. 3 Propranolol and pindolol reduced exercise heart rate to the same extent on days 1 and 8. 4 Propranolol reduced supine heart rate more than pindolol on days 1 and 8 but the difference was only significant on day 8.

摘要
  1. 本研究比较了安慰剂、吲哚洛尔和普萘洛尔急性及慢性给药对健康志愿者的影响,以观察吲哚洛尔的部分激动剂活性在慢性给药时是否会因吲哚洛尔的β-肾上腺素能受体阻断活性而降低。2. 五名受试者按随机顺序接受为期8天的安慰剂、160毫克普萘洛尔和10毫克吲哚洛尔治疗;在第1天和第8天,在0小时和2小时各给药两次。在第1天和第8天给药前以及给药后2小时和4小时记录仰卧位心率和运动结束时的心率。3. 在第1天和第8天,普萘洛尔和吲哚洛尔降低运动心率的程度相同。4. 在第1天和第8天,普萘洛尔降低仰卧位心率的幅度大于吲哚洛尔,但差异仅在第8天显著。

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本文引用的文献

2
Measurement of partial agonist activity of pindolol.吲哚洛尔部分激动剂活性的测定。
Clin Pharmacol Ther. 1981 Nov;30(5):581-6. doi: 10.1038/clpt.1981.207.
4
Adrenergic beta receptor blockade: hemodynamic importance of intrinsic sympathomimetic activity at rest.
Clin Pharmacol Ther. 1981 Jun;29(6):711-8. doi: 10.1038/clpt.1981.100.
6
Comparative chronotropic activity of beta-adrenoceptive antagonists.β-肾上腺素能拮抗剂的比较变时活性
Br J Pharmacol. 1970 Nov;40(3):373-81. doi: 10.1111/j.1476-5381.1970.tb10619.x.
7
Letter: Paradoxical effect of pindolol.信件:吲哚洛尔的矛盾效应。
Br Med J. 1975 Jul 19;3(5976):155-6. doi: 10.1136/bmj.3.5976.155-a.

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