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静脉注射可乐定对充血性心力衰竭的短期影响。

Short-term effects of intravenous clonidine in congestive heart failure.

作者信息

Giles T D, Iteld B J, Mautner R K, Rognoni P A, Dillenkoffer R L

出版信息

Clin Pharmacol Ther. 1981 Dec;30(6):724-8. doi: 10.1038/clpt.1981.229.

DOI:10.1038/clpt.1981.229
PMID:7307422
Abstract

After intravenous bolus injections of clonidine HCl (150 micrograms) to 12 patients with congestive heart failure, peak effects appeared in 5 to 20 min. Clonidine reduced heart rate from 94 +/- 14 to 82 +/- 14 bpm (mean +/- SD, P less than 0.05), left ventricular filling pressure from 31 +/- 5 to 23 +/- 5 mm Hg (P less than 0.001), mean systemic arterial pressure from 98 +/- 13 to 82 +/- 13 mm Hg (P less than 0.001), mean pulmonary artery pressure from 46 +/- 6 to 38 +/- 6 mm Hg (P less than 0.001), and right atrial pressure from 14 +/- 5 to 11 +/- 5 mm Hg (P less than 0.05). Cardiac index increased from 1.6 +/- 0.4 to 1.8 +/- 0.6 l/min/m2 (P less than 0.05) and stroke volume from 32 +/- 10 to 43+/- 12 ml/beat (P less than 0.05). Systemic vascular resistance decreased from 2,342 +/- 800 to 1,795 +/- 345 dynes sec cm-5 (P less than 0.05) and pulmonary vascular resistance from 365 +/- 158 to 263 +/- 114 dynes sec cm-5 (P less than 0.05). We conclude that clonidine decreases heart rate and left ventricular preload and afterload in congestive heart failure.

摘要

对12例充血性心力衰竭患者静脉推注盐酸可乐定(150微克)后,5至20分钟出现峰值效应。可乐定使心率从94±14次/分钟降至82±14次/分钟(平均值±标准差,P<0.05),左心室充盈压从31±5毫米汞柱降至23±5毫米汞柱(P<0.001),平均体循环动脉压从98±13毫米汞柱降至82±13毫米汞柱(P<0.001),平均肺动脉压从46±6毫米汞柱降至38±6毫米汞柱(P<0.001),右心房压从14±5毫米汞柱降至11±5毫米汞柱(P<0.05)。心脏指数从1.6±0.4升/分钟/平方米增至1.8±0.6升/分钟/平方米(P<0.05),每搏量从32±10毫升增至43±12毫升/搏(P<0.05)。体循环血管阻力从2342±800达因·秒/厘米⁵降至1795±345达因·秒/厘米⁵(P<0.05),肺血管阻力从365±158达因·秒/厘米⁵降至263±114达因·秒/厘米⁵(P<0.05)。我们得出结论,可乐定可降低充血性心力衰竭患者的心率、左心室前负荷和后负荷。

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