血清乳脂球表皮生長因子-8在心肌缺血再灌注損傷中的表達及意義
[Abstract]:Objective: To investigate the expression of serum milk fat ball epidermal growth factor-8 (MFG-MAA) in acute myocardial infarction (AMI) patients with myocardial ischemia-reperfusion injury (MIRI) and (MFG-VEP) and hypersensitive C-reactive protein (Hs-CRP). Study on the correlation between interleukin-6 (interleukin-6, IL-6). Methods: 40 patients with ST-segment elevation myocardial infarction (STEMI) treated with PCI were treated as AMI group from January 2014 to August 2014 due to acute myocardial infarction. During the same period, the chest was not suitable for hospitalization in our hospital, and coronary angiography was performed in parallel. The results showed that 30 patients with no obvious stenosis were treated as control group. Two groups of patients were treated with PCI or coronary angiography (CAG), 24 hours after operation, 5 ml of venous blood were taken after 48 hours of operation, and then stored in -80 擄 C refrigerator after centrifugation. All patients had cardiac troponin, creatine kinase isoenzymes, BNP, liver function, renal function, blood lipid and blood glucose monitoring on the day of admission, and also recorded the type of arrhythmia that occurred after myocardial infarction related blood vessels were opened. Further tracking of adverse events during hospitalization (e.g., recurrent myocardial infarction, heart failure, cardiogenic shock, sudden cardiac death, severe arrhythmia, etc.). After the samples were collected, the levels of MFG-, Hs-CRP and IL-6 were detected by ELISA, and the levels of various factors were compared at different time points. Statistical analysis was performed with SPSS18. 0 software. Results: (1) The levels of MFG and MFG in each time point of AMI group were lower than those of control group at corresponding time point (P = 0.0003, P = 0.0006, P = 0.0002). The level of mfg-e8 in serum of AMI group increased significantly at 24 hours after operation (P = 0.0006), and the level of mfg-e8 in serum of AMI group continued to increase within 48 hours after operation (p = 0.0005, p = 0.0001). There was no significant difference in serum mfg-e8 levels after operation (p = 0.067, p = 0.059, p = 0.150). (2) The levels of hs-crp in each time point of ami group were higher than those of control group at corresponding time point (p = 0.0012, p = 0.0006, p = 0.0005). The serum hs-crp levels in the ami group increased significantly at 24 hours after operation (p = 0.0002), and the serum hs-crp level decreased significantly at 48 hours after operation (p = 0.0008), but still increased significantly before operation (p = 0.0005). There was no significant difference (p = 0.100, p = 0.350, p = 0.058) between the levels of hs-crp in serum before and after operation. (3) The level of serum IL-6 in each time point of the ami group was higher than that of the control group at the corresponding time point (p = 0.0009, p = 0.0003, p = 0.028). The serum IL-6 level in the ami group increased significantly before operation (p = 0.0002), and the serum IL-6 level continued to increase within 48 hours after operation (p = 0.0003, p = 0.0001). There was no significant difference in serum IL-6 group after operation (p = 0.055, p = 0.140, p = 0.320). (4) The level of mfg-e8 in each time point of the ami group was negatively correlated with the hs-crp level (r =-0.474, p = 0.003; r =-0.462, p = 0.00006; r =-0.474, p = 0.00008), negatively correlated with the level of il-6 (r =-0.408, p = 0.00005; r =-0.439, p = 0.00004); the level of hs-crp in each time point of the ami group was positively correlated with the il-6 level (r = 0.434, p = 0.00003; r = 0.436, p = 0.0008; r = 0.9399, p=0.001). (5) The occurrence (ra) of reperfusion arrhythmia was observed immediately after the opening of the infarct-related blood vessel (ira) in the ami group, including: slow onset, premature ventricular premature beat, atrial premature beat, ventricular fibrillation, atrioventricular block, atrial arrest, ventricular tachycardia. (6) According to whether bnp was normal at 24 hours after operation, the patients were divided into the bnp abnormal group and the bnp normal group, among which, the mfg-e8 levels in the bnp abnormal group were significantly lower than those in each time point mfg-e8 (p = 0. 003). (7) According to the occurrence of adverse events during hospitalization, the patients of AMI group were divided into adverse event group and no adverse event group, and the MFG-VEP level was significantly lower in patients with adverse events in hospital than those in the absence of adverse events (P = 0.0012). Conclusion: (1) MFG-NHL is involved in the process of MIRI in patients with AMI, and may be involved in MIRI process by inhibiting inflammatory cytokines Hs-CRP and IL-6 release. (2) MFG-MAA has a certain predictive value for the long-term prognosis of patients with acute myocardial infarction.
【學(xué)位授予單位】:濟寧醫(yī)學(xué)院
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:R542.22
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