曲美他嗪对非体外循环冠状动脉旁路移植术患者B型钠尿肽和心肌肌钙蛋白I的影响  被引量:2

Effects of trimetazidine on B-type natriuretic peptide and cardiac troponin I in patients undergoing off-pump coronary artery bypass graft

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作  者:宋书田[1] 张楠[1] 孙文波[2] 杨明[1] 白传明[1] 周继梧[1] 

机构地区:[1]河北医科大学附属沧州市中心医院心胸外科,061001 [2]河北医科大学附属沧州市中心医院麻醉科,061001

出  处:《中国医师进修杂志》2011年第23期12-14,共3页Chinese Journal of Postgraduates of Medicine

摘  要:目的观察非体外循环冠状动脉旁路移植术(OPCAB)患者外周血中B型钠尿肽(BNP)和心肌肌钙蛋白I(crrnI)在围手术期的变化情况及其在心脏外科的临床应用价值,并探讨曲美他嗪预处理对心肌的保护效果。方法将103例择期行OPCAB的冠心病患者按随机数字表法分为曲美他嗪组(52例)和对照组(51例)。分别于术前及术后24h、72h、7d时检测外周血BNP和cTnI水平。结果曲美他嗪组术后24h、72h、7dBNP水平[分别为(224.5±12.0)、(331.2±22.6)、(82.4±3.3)ng/L]均低于对照组[分别为(294.7±11.8)、(383.9±2813)、(112.4±12.5)ng/L](P〈0.05);曲美他嚎组术后24h、72h、7dcTnI水平[分别为(0.21±0.04)、(1.32±049)、(0.26±0.04)μg/L]均低于对照组[分别为(1.20±0.13)、(2.35±0.54)、(0.75±0.21)pg/L](P〈0.05);BNP水平术后24h即有上升,72h达峰值,并维持至术后7d。BNP与cTnI呈显著正相关(r=0.635,P〈0.05),与左室射血分数(LVEF)呈显著负相关(r=-0.674,P〈0.01)。结论通过OPCAB术后外周血BNP和cTnI水平升高可以了解患者心功能状况,曲美他嗪可降低OPCAB患者术后BNP和cTnI的释放。Objective To investigate the myocardial protective effects of trimetazidine by observing the changes of peripheral B-type natriuretic peptide (BNP),cardiac troponin I (cTnI) level in patients undergoing off-pump coronary artery bypass graft (OPCAB), and the clinical significance of peripheral cTnI and BNP in cardiac surgery. Methods One hundred and three OPCAB patients were divided into trimetazidine group (52 cases) and control group (51 cases) by random digits table. The serum levels of BNP and cTnI preoperatively,postoperatively of 24 h, 72 h and 7 d were detected. Results The serum levels of BNP [(224.5± 12.0), (331.2 ±22.6), (82.4 ±3.3) ng/L] and cTnI [(0.21 ± 0.04), (1.32 ±0.49), (0.26 ±0.04 ) μg/L ] in trimetazidine group were lower than those in eontrol group [ ( 294.7 ± 11.8 ), ( 383.9 ± 28.3 ), (112.4 ± 12.5) ng/L and (1.20 ± 0.13), (2.35 ± 0.54), (0.75 ±0.21 ) μg/L] postoperatively of 24 h,72 h and 7 d (P 〈 0.05 ). The serum levels of BNP and cTnI increased at 24 h after operation. The peak level was found at 72 h and remained higher level until 7 d after operation. The baseline levels of BNP were positively correlated with cTnI (r = 0.635,P 〈 0.05), but negatively correlated with left ventricular ejection fraction (LVEF) (r = -0.674, P 〈 0.01 ). Conclusion Trimetazidine can obviously reduce serum levels of BNP and cTnI in patients undergoing OPCAB. So the united application of serum BNP and eTnI may be as a monitor marker to reflect the cardiac function in patients after OPCAB.

关 键 词:曲美他嗪 冠状动脉旁路移植术 非体外循环 利钠肽  肌钙蛋白I 

分 类 号:R65[医药卫生—外科学]

 

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