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右美托咪定抗交感活性在急性左心衰中的作用
引用本文:曹武,周建华,王斌,方志成.右美托咪定抗交感活性在急性左心衰中的作用[J].心血管康复医学杂志,2013(5):508-511.
作者姓名:曹武  周建华  王斌  方志成
作者单位:[1]湖北医药学院附属太和医院心电图室,湖北十堰442000 [2]湖北医药学院附属太和医院重症医学科,湖北十堰442000
摘    要:目的:评价右美托咪定抗交感活性在急性左心衰中的应用。方法:137例急性左心衰患者被分为常规治疗组(44例)、美托洛尔组(47例)、右美托咪定组(46例),测定血浆去甲肾上腺素(NE)、肾上腺素、血浆脑型利钠肽(BNP)并行脉搏指示连续心输出量监测(PiCCO),监测心输出量(CO)、心指数(CI)、血管外肺水指数(EVLWI)等评估心功能状态。结果:治疗3d后,与常规治疗组相比,右美托咪定组血浆NE(4.51±0.24)nmol/L比(3.61±0.31)nmol/L]、肾上腺素(3.23±0.51)nmol/L比(2.19±0.29)nmol/L3,EvLwI(9.96±0.78)ml/kg比(7.16±0.11)ml/kg],BNP(4783.59±79.33)pg/ml比(3126.88±58.72)pg/m1]水平均显著下降(P均〈0.05);CO(3.09±0.14)L·min^-1·m^-2。比(4.03±0.25)L·min^-1·m^-2]、CI(1.28±0.14)比(1.89±0.14)]均显著上升(P均〈0.05),但与美托洛尔组比较无显著差异(P均〉0.05)。结论:右美托咪定可有效抑制交感活性,有效改善心功能。

关 键 词:心力衰竭  充血性  药理学  右美托咪定

Effect of anti-sympathetic activity of dexmedetomidine in acute left heart failure
CAO Wu,ZHOU Jian-hua,WANG Bin,FANG Zhi-cheng.Effect of anti-sympathetic activity of dexmedetomidine in acute left heart failure[J].Chinese Journal of Cardiovascular Rehabilitation Medicine,2013(5):508-511.
Authors:CAO Wu  ZHOU Jian-hua  WANG Bin  FANG Zhi-cheng
Institution:(Eleetrocardiographic Room, Affiliated Teihe Hospital of Hubei Medicinal College, Shiyan, Hubei, 442000, China)
Abstract:Objective: To evaluate effect of anti-sympathetic activity of dexmedetomidine in acute left heart failure. Methods: A total of 137 cases with acute left heart failure were randomly divided into routine treatment group (n = 44), metoprolol group (n = 47) and dexmedetomidine group (n = 46). Plasma levels of norepinephrine (NE), epi-nephrine and brain natriuretic peptide (BNP) were measured. Pulse-indicated continuous cardiac output (PiCCO) monitoring was performed to monitor cardiac output (CO), cardiac index (CI) and extravascular lung water index (EVLWI) in order to evaluate cardiac function status. Results: Compared with routine treatment group 3d after treatment, there were significant decrease in plasma levels of NE (4. 51 ± 0.24) nmol/L vs. (3.61 ± 0. 31) nmol/ L], epinephrine (3.23 ± 0.51) nmol/L vs. (2.19 ± 0.29) nmol/L], BNP (4783.59 ± 79.33) pg/ml vs. (3126.88± 58.72) pg/ml ] and EVLWI (9.96± 0.78) ml/kg vs. (7.16± 0.11) ml/kg], P〈0.05 all; and there were significant increase in CO (3.09-±0.14) L·min^-1·m^-2 vs. (4. 03-±0.25) L·min^-1·m^-2], CI (1.28 ± 0.14) vs. (1.89 ± 0.14)] (P〈0.05 all) in dexmedetomidine group. There were no significant differences in a- bove hemodynamic indexes between dexmedetomidine group and metoprolol group, P 〉 0. 05 all. Conclusion.. Dexmedetomidine can effectively inhibit sympathetic activity and improved heart function.
Keywords:Heart failure  congestive  Pharmacology  Dexmedetomidine
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