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慢性普萘洛尔治疗对垂体前叶及相关激素夜间血浆水平的影响。

The effect of chronic propranolol treatment on overnight plasma levels of anterior pituitary and related hormones.

作者信息

Dart A M, Lewis M J, Groom G V, Meek E M, Henderson A H

出版信息

Br J Clin Pharmacol. 1981 Dec;12(6):849-53. doi: 10.1111/j.1365-2125.1981.tb01319.x.

Abstract

1 Treatment of eight healthy males with propranolol (80 mg twice daily) for 6 weeks resulted in a significant reduction in overnight plasma levels of prolactin and LH. 2 Plasma testosterone levels were elevated whilst GH and cortisol were unchanged by such treatment. 3 Measurement of overnight hormone levels 48 h after discontinuing treatment showed no evidence of a 'rebound' phenomenon. 4 Cortisol, GH, prolactin, and testosterone plasma levels all showed time dependent changes: propranolol treatment significantly altered the time course of cortisol but not of the other hormones. 5 The effects of chronic propranolol treatment are discussed in terms of a probable direct central action of the drug. In addition the lowered plasma prolactin levels may directly contribute to the hypotensive action of propranolol.

摘要
  1. 对8名健康男性每日两次服用普萘洛尔(80毫克),持续6周,结果显示夜间催乳素和促黄体生成素的血浆水平显著降低。2. 血浆睾酮水平升高,而生长激素和皮质醇水平在这种治疗下未发生变化。3. 在停药48小时后测量夜间激素水平,未发现“反跳”现象。4. 皮质醇、生长激素、催乳素和睾酮的血浆水平均呈现出时间依赖性变化:普萘洛尔治疗显著改变了皮质醇的时间进程,但对其他激素没有影响。5. 从该药物可能的直接中枢作用方面讨论了慢性普萘洛尔治疗的效果。此外,血浆催乳素水平降低可能直接有助于普萘洛尔的降压作用。

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