机构地区:[1]郑州大学第一附属医院麻醉科河南省高等学校临床医学重点学科开放实验室,450052
出 处:《中华实验外科杂志》2016年第6期1664-1667,共4页Chinese Journal of Experimental Surgery
摘 要:目的观察心脏手术中右美托咪定对患者心肌损伤标志物及术后认知功能的影响。方法按照随机数字表法将50例风湿性心脏病患者均分为试验组和对照组,试验组麻醉诱导完成后给予右美托咪定,对照组给予同等量和速度的生理盐水,对比两组患者拔管时间、重症监护室(ICU)停留时间、术毕开放主动脉后复跳、用药期间生命体征指标、心肌损伤标志物水平变化情况以及术后认知功能。结果两组患者拔管时间、ICU停留时间及手术完毕开放主动脉后自动复跳率对比,差异无统计学意义(P〉0.05);体外循环前至手术结束即刻收缩压(SBP)水平试验组[(97.26±11.18)、(106.93±11.75)、(104.35+11.09)mrnHg(1mmHg=0.133kPa)]显著高于对照组[(83.17±10.69)、(95.16±13.33)、(97.03±7.08)mmHg],注射负荷量后、劈胸骨后、体外循环停止后、手术结束即刻舒张压(DBP)水平试验组为[(70.06±11.43)、(60.44±9.47)、(61.40±8.66)、(63.63±7.61)mmHg]显著高于对照组的(57.22±12.43)、(56.45±9.06)、(55.23±6.59)、(56.62±6.88)mmHg,切皮后、劈胸骨后心率(HR)水平试验组[(66.37±9.59)、(68.62±10.08)次/分]显著低于对照组[(75.52±12.08)、(81.64±8.79)次/分],差异有统计学意义(P〈0.05)。体外循环停止后至术后24h心型脂肪酸结合蛋白(H—FABP)水平试验组为(0.49±0.09)、(1.74±0.13)、(1.97±0.11)、(1.41±0.13)μg/ml均显著低于对照组的(0.58±0.14)、(1.97±0.26)、(2.35±0.41)、(1.57±0.21)μg/ml,术后24h肌酸激酶同工酶(CK—MB)水平试验组[(89.69±15.88)U/ml]显著低于对照组[(116.85±18.27)U/m1],术后6h至术后24h肌钙蛋白I(cTnI)水平试验组[(1.43±0.18)、(1�Objective To observe the effect of dexmedetomidine (DEX) on myocardial injury marker and postoperative recognition during cardiac surgery. Methods Fifty patients diagnosed with rheu- matic heart disease were randomly divided into experiment group and control group. The experiment group was treated by DEX, and the control group was treated by normal saline. The removal time, intensive care unit (ICU) retention time, resuscitation after opening aortic, vital signs, changes of myocardial injury markers, and incidence of postoperative recognition were compared. Results There was no significant difference in the removal time, ICU retention time, and resuscitation after opening aortic between the two groups (P 〉0. 05 ). The levels of systolic blood pressure (SBP) in the experiment group [ (97.26 ± 11.18), (106.93 ±11.75), and (104.35±11.09) mmHg (l mmHg=0. 133 kPa)] were higher than in the control group [ (83.17 ± 10. 69), (95.16 ± 13.33), and (97.03 ±7.08) mmHg] from period of cardiopulmonary bypass to the end of surgery (P 〈 0. 05 ) ; The levels of diastolic blood pressure (DBP) in the experiment group [(70-06± 11.43), (60.44± 9. 47), (61.40± 8.66), and (63.63±7. 61 ) mmHg] after injection of loading dose, longitudinal sternotomy, the period from cardiopulmonary bypass to the end of surgery were higher than in the control group [ (57.22 ± 12.43 ), (56.45 ± 9. 06), (55.23 ±6. 59), and (56. 62 ±6. 88) mmHg, P 〈0. 05] ; The levels of heart rate (HR) in the experi- ment group [ (66. 37 ±9. 59), and (68. 62 ± 10.08)/mini after the incision, and longitudinal sternotomy were lower than in the control group [ (75.52 ± 12. 08), and (81.64 ±8.79)/min, P 〈0.05]. The lev- els of 24 - h human heart fatty acid binding protein ( H - FABP) in the experiment group [ (0. 49 ± 0.09), ( 1.74 ±0. 13), ( 1.97 ±0. 11 ), and ( 1.41 ±0. 13) ixg/ml] were lower than those in the control group
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