Changes in plasma neurotension level of patients with coronary heart disease and its clinical significance |
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Authors: | LIU Run-mei ZHANG Zhi-shou CHEN Su-juan TONG Wan-ren LI Zhen-jia |
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Institution: | 1. Department of Internal Medicine, 304 Hospital, PLA, Beijing 100037, China;
2. Department of Cardiology, General Hospital, PLA, Beijing 100853, China;
3. Dongya Immuno-technology Institute, Beijing 100853, China |
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Abstract: | AIM: To investigate the plasma neurotensin(NT) concentration in patients with coronary heart disease: acute myocardial infarction(AMI),unstable angina(UA),stable angina pectoris(SAP), old myocardial infarction (OMI), and to study the relationship between the plasma NT level and the myocardial ischemia . METHODS:The plasma NT concentration of 30 patients with AMI,32 pat ients with UA,35 patients with SAP,31 pat ients with OMI and 32 normal controls were determined by radioimmunoassay(RIA). RESULTS: The plasma NT level in patients with AMI(24 h),in patients with UA when angina attacked is significantly higher than that of healthy controls. The plasma NT level in patients with SAP, in patients with OMI is not significantly different from that of healthy controls. The NT level of patients with UA when angina attacked is significantly higher than that after 2 weeks treatment (P<0.01). The NT level of AMI patients rose from early period and reached peak value at 24 h .It began to decline at 48h,and restored to normal level at 72h. CONCLUSION: When acute myocardial ischemia occured in patients with coronary heart disease, the plasma NT level was elevated. This suggests NT may have participated in the pathophysiological course of myocardial ischemia. |
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Keywords: | Coronary disease Myocardial infarction Angina pectoris Neurotensin |
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