Effects of trimetazidine on B-type natriuretic peptide and cardiac troponin I in patients undergoing off-pump coronary artery bypass graft
10.3760/cma.j.issn.1673-4904.2011.23.005
- VernacularTitle: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
- Author:
Shutian SONG
;
Nan ZHANG
;
Wenbo SUN
;
Ming YANG
;
Chuanming BAI
;
Jiwu ZHOU
- Publication Type:Journal Article
- Keywords:
Trimetazidine;
Coronary artery bypass,off-pump;
Natriuretic peptide,brain;
Troponin I
- From:
Chinese Journal of Postgraduates of Medicine
2011;34(23):12-14
- CountryChina
- Language:Chinese
-
Abstract:
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) μ g/L] in trimetazidine group were lower than those in control 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 ) μ g/L] postoperatively of 24 h, 72 h and 7 d (P＜ 0.05 ). The serum levels of BNP and cTnI increasedd 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 cTnI may be as a monitor marker to reflect the cardiac function in patients after OPCAB.
