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	右美托咪定对体外循环心脏手术病人脑损伤的影响; Effect of dexmedetomidine on brain injury in patients undergoing cardiac surgery with cardiopulmonary bypass
	沈社良 ; 钱江 ; 谢屹红 ; 陈永健 ; 郑嘉寅
	2015
关键词	右美托咪啶 心肺转流术 脑损伤 心脏外科手术 Dexmedetomidine Cardiopulmonary bypass Brain injuries Cardiac surgical procedures
英文摘要	目的 评价右美托咪定对体外循环(CPB)心脏手术病人脑损伤的影响.方法 择期CPB心脏手术病人80例,年龄18 ～ 64岁,性别不限,体表面积1.6～ 2.0 m2,左室射血分数＞30％,心功能分级Ⅱ或Ⅲ级,ASA分级Ⅱ或Ⅲ级.采用随机数字表法,将病人分为2组:对照组(C组)和右美托咪定组(D组).常规麻醉诱导前D组经10 min静脉输注右美托咪定1μg/kg,随后以0.5 μg·kg-1·h-1速率输注至术毕;C组给予等容量生理盐水.分别于麻醉诱导后切皮前(T0)、CPB开始后30 min(T1)、术毕(T2)、术后4 h(T3)、术后24 h(T4)及术后72 h(T5)时采集颈静脉球部血样,检测血清肿瘤坏死因子α(TNF-α)、白细胞介素-6(IL-6)、白细胞介素-10(IL-10)、星形胶质细胞S100蛋白的β亚型(S-100β)及神经元特异性烯醇化酶(NSE)的浓度.结果 与C组比较,D组T1-3时血清TNF-α和S-100β的浓度降低,T1-4时血清IL-6和NSE的浓度降低,T1-4时血清IL-10浓度升高(P＜0.05).结论 常规麻醉诱导前静脉输注右美托咪定1μg/kg,随后以0.5 μg·kg-1·h-1速率输注至术毕可减轻CPB心脏手术病人脑损伤,其机制与抑制炎性反应有关.; Objective To evaluate the effect of dexmedetomidine on brain injury in the patients undergoing cardiac surgery with cardiopulmonary bypass (CPB).Methods Eighty patients of both sexes, aged 18-64 yr, with body surface area of 1.6-2.0 m2, with left ventricular ejection fraction＞30％, of American Society of Anesthesiologists physical status Ⅱ or Ⅲ (New York Heart Association Ⅱ or Ⅲ), scheduled for elective cardiac surgery with CPB, were equally and randomly divided into control group (group C) and dexmedetomidine group (group D) using a random number table.Before induction of anesthesia, dexmedetomidine was given as a bolus of 1 μg/kg over 10 min followed by an infusion of 0.5 μg · kg-1 · h-1 throughout the surgery in group D, and the equal volume of normal saline was given in group C.After induction and before skin incision (T0) , at 30 min after beginning of CBP (T1) , at 30 min after the end of CBP (T2) , at the end of surgery (T3) , and at 24 and 72 h after surgery (T4.5) , blood samples from jugular bulb were drawn for determination of serum concentrations of tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), IL-10, S-100β protein and neuron-specific enolase (NSE).Results Compared with group C, the serum concentrations of TNF-α and S100β at T1-3 and IL-6 and NSE at T1.4 were significantly decreased, and the serum concentrations of IL-10 at T1-4 were increased in group D (P＜0.05).Conclusion Dexmedetomidine given as a bolus of 1 μg/kg over 10 min followed by an infusion of 0.5 μg · kg-1 · h-1 throughout the surgery can reduce the brain injury in the patients undergoing cardiac surgery with CPB, and the mechanism is related to inhibited inflammatory responses.; 浙江省自然科学基金; 浙江省医学会临床科研基金; 中文核心期刊要目总览(PKU); 中国科技核心期刊(ISTIC); 中国科学引文数据库(CSCD); 11; 1321-1324; 35
语种	英语
出处	万方 ; CSCD ; http://d.g.wanfangdata.com.cn/Periodical_zhmzxzz98201511009.aspx
出版者	中华麻醉学杂志
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/446897]
专题	数学科学学院
推荐引用方式 GB/T 7714	沈社良,钱江,谢屹红,等. 右美托咪定对体外循环心脏手术病人脑损伤的影响, Effect of dexmedetomidine on brain injury in patients undergoing cardiac surgery with cardiopulmonary bypass. 2015-01-01.

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