远隔肢体缺血适应对急性脑梗死患者血清胱抑素水平的影响
[Abstract]:Objective: To observe the changes of serum cystatin C (Cystatin C, CysC) in patients with acute cerebral infarction, the effect of Limb remote ischemic conditioning (LRIC) on the level of serum CysC and the degree of nerve function defect in patients with acute cerebral infarction, and to explore the relationship between serum CysC and acute cerebral infarction and the acute cerebral infarction. The role of infarction and its possible pathophysiological mechanism.
Method:
1. the healthy persons were selected as the normal control group, with 81 cases of acute cerebral infarction as the case group, which conformed to the standard and exclusion criteria. The two groups were comparable in age and gender. According to the different treatment methods, the case groups were randomly divided into case control group (48 cases) and group LRIC (33 cases), two. Two The group was comparable in age, sex composition, onset time and severity.
2. the level of serum CysC (immunoturbidimetry mg/L), urea nitrogen (Blood urea nitrogen, BUN) (urease rate method, mmol/L) and creatinine (Creatinine, Cre) (HMMPS method, micrmol/L) were detected by Hitachi automatic biochemical analyzer and related reagents.
3. the changes in serum CysC, BUN, Cre levels and the National Institutes of health apoplexy (National Instituteof Health stroke scale, NIHSS) were used to assess the degree of deity impairment in the case group before and after treatment. The first time (before treatment) was recorded. The results of "1" and second times (after treatment) were recorded as "2", and the difference between the first and second results was "difference value". The adverse reaction of the RLIC operation was observed and recorded. All the data were analyzed by SPSS20.0 software, and the significant level of the test was P0.05. test.
Result:
The level of serum CysC (0.993 + 0.249,0.971 + 0.256) before and after treatment in 1. cases group was significantly higher than that in normal control group (0.836 + 0.161) (all P0.01). The serum level of BUN (5.503 + 1.372,4.556 + 1.394) before and after treatment in the case group was lower than that of the normal control group (5.701 + 2.438). There was no significant difference between the normal control group and the normal control group before treatment, and the difference after treatment was different. There were statistical significance (P0.01); the level of serum Cre (63.722 + 21.067) before treatment in the case group was higher than that of the normal control group (59 + 13.954), and after treatment (56.120 + 16.866), the difference was lower than that of the normal control group, and the difference was not statistically significant.
There was a significant positive correlation between the serum CysC1 level and the NIHSS2 score in 2. cases (r=0.239, P0.05), and there was no significant correlation between the NIHSS1 score and the CysC2 level (r=0.288, P0.05), and there was no significant correlation with the NIHSS2 score. The serum CysC1 level of the case group was positively correlated with the BUN1 water level, and there was no significant correlation with the level of BUN1 water. There was a significant positive correlation between the level of CysC2 and the level of BUN1 and BUN2 (r=0.369,0.296, P0.05), and the level of CysC1 had a significant positive correlation with the level of Cre1 and Cre2 (r=0.497,0.483, all P0.01), and the CysC2 level had a significant positive correlation with the level of Cre1.
3. the NIHSS score (2 + 2.467,1.180 + 1.310) before treatment in the case control group and the LRIC group had no significant difference, and the NIHSS score (1.630 + 2.340,0.610 + 1.088) in the case control group and the LRIC group was significantly lower than that before the treatment (P0.05, P0.01), and the NIHSS score difference (0.580 + 0.663) in the LRIC group was significantly higher than that in the case control group (0.290 + 0.944) (P0.05). ).
4. the level of serum CysC (0.972 + 0.249) and 0.969 + 0.272 after treatment in the case control group and the LRIC group were lower than those before the treatment (0.973 + 0.228,1.019 + 0.274), but the decrease in the LRIC group was more obvious and statistically significant (P0.01). The level of BUN in the case control group and the LRIC group was (4.581 + 1.254,4.515 + 1.632), and the Cre level was 57.452 + 17.226. 53.947 + 16.487) compared with the level of BUN before treatment (5.343 + 1.334,5.736 + 1.415), Cre level (64.031 + 22.166,63.273 + 19.687) significantly decreased, the difference was statistically significant (P0.01), LRIC group CysC difference (0.046 + 0.065), BUN difference (1.129 + 1.020) and Cre difference level (10.368 + 10.243) compared with the case control group CysC difference (0.030 + 0.742), BUN difference (0.829 + 1.437) and Cre difference level (7.597 + 9.694) decreased significantly, but the difference was not statistically significant. There was no significant difference in serum CysC level, BUN level and Cre level between the case control group and the LRIC group before treatment.
5. during the operation of LRIC, 25 patients complained of mild distention and pain in the extremities, and 2 patients had a slight distention and pain in the head, all disappeared within 30 minutes after each operation, and no other discomfort complained.
Conclusion:
1. the level of serum CysC in patients with acute cerebral infarction is significantly higher, and its level can reflect the severity of acute cerebral infarction, suggesting that CysC may be involved in the pathophysiological process of acute cerebral infarction.
2.LRIC can significantly reduce serum CysC level and neurological deficit in patients with acute cerebral infarction, suggesting that LRIC may improve the prognosis of acute cerebral infarction.
3.LRIC may be beneficial to improving the function of the kidney.
4.LRIC may be a safe and effective treatment for acute cerebral infarction.
【学位授予单位】:大连医科大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:R743.3
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