Objectives To investigate the effect of leptomeningeal anastomoses (LMA) compensation of anterior cerebral artery (ACA) on the size of cerebral infarction in patients with chronic middle cerebral artery occlusion (CMCAO) and to analyze the correlation between middle cerebral artery (MCA) velocity and cerebral infarction area.Methods From June 2014 to June 2016,35 consecutive patients with CMCAO from the Department of Neurology,Yanbian University Hospital and 74 with CMCAO from the Department of Neurology,Beijing Xuanwu Hospital,Capital Medical University were enrolled retrospectively.All patients were diagnosed as CMCAO on one side and MCA was normal on the other side with transcranial Doppler (TCD) or transcranial color-coded sonography (TCCS) and confirmed by digital subtraction angiography (DSA).They were divided into either a LMA group (n=49) or a non-LMA (NLMA) group (n=60) according to the DSA revealed ACA.TCCS and/or TCD were used to measure and record the peak systolic velocity (PSV) and mean flow velocity (MFV) of the contralateral and ipsilateral MCA,and the ratios of bilateral PSV were calculated.They were divided into 4 grades,including normal brain tissue,cerebral lacunar infarction,small and moderate cerebral infarction,and large cerebral infarction according to the findings of diffusion-weighted imaging (DWI).Mann-Whitney test was used to compare the differences of cerebral infarction areas between the LMA group and the NLMA group,and Spearman rank correlation analysis was used to analyze the correlation between the MCA blood flow parameters of the ipsilateral side and the cerebral infarction area.Results (1) The patients with stroke accounted for 90.0% (n=54) in the NLMA group,and it was significantly higher than 71.4% (n=35) in the LAM group.There was significant difference between the two groups (P<0.05).(2) The severity of cerebral infarction in the NLMA group was significantly higher than that in the LMA group.DWI revealed that the LMA group was mainly lacunar infarction (51.0%,n=25),the NLMA group was mainly small and moderate infarction (45.0%,n=27),the incidence of large infarction (21.7%,n=13) was higher than that in the LMA group (4.1%,n=2).The difference between the two groups was statistically significant (P<0.01).(3) The cerebral infarction area in patients of the NLMA group showed moderately negative correlation with PSV of MCA (r=-0.736,P<0.01),and increased with the increase of contralateral side of PSV/ipsilateral side of PSV,there was a high positive correlation (r=0.849,P<0.01).Conclusion The compensatory function of meningeal branches of the anterior cerebral artery in patients with CMCAO was associated with the severity of cerebral infarction.The decreased MCA blood flow velocity on the ipsilateral side had a significant correlation with cerebral infarction area.

No abstract available.
Humans ; Multivariate Analysis* ; Stomach Neoplasms*

No abstract available.
Animals ; Interleukin-2* ; Lymphocytes* ; Rats* ; Shock*

No abstract available.
Classification* ; Humans ; Stomach Neoplasms*

AIM: To determine the evolutionary pattern of parenchymal cell apoptosis in multiple organs early after intestinal ischemia-reperfusion(I/R) and its induction mechanisms and the role of apoptosis in triggering SIRS/MODS. METHODS: An I/R model was reproduced by clipping and releasing the superior mesenteric artery in rats and mice. Flow cytometry, electron microscope, DNA agarose gel electrophoresis, TUNEL method, fluorescent and Gomori's silver-HE staining were used to detect apoptosis. Distribution features of apoptotic parenchymal cells in multiple organs were observed. Immunohistochemical staining of HSP 70 and Bcl-2 were performd to study the induction mechanisms of apoptosis.RESULTS and CONCLUSION: 1. Damage of the liver, lung, gut and kidney was appeared in early phase of I/R. The percentages of apoptosis in parenchyma organs increased progressively. The percentages of cell necrosis increased with the prolonged I/R duration. 2. Percentages of apoptosis were much higher near the central veins of liver lobules, in the outer medulla of the kidney, and the antimescenteric border of intestinal mucosal epithelium because of ischemia. 3. The expression of HSP 70 increased and Bcl-2 reduced in the areas mentioned above because of hypoperfusion. 4. Apoptosis of I/R hepatocytes, splenocytes and thymocytes was obviously increased after Kupffer cell blockage with GdCl3, showing the functional state of Kupffer cells may play an important role in SIRS/MODS.

Objective To investigate gene mutations of the epidermal growth factor receptor of tumor tissue and peripheral blood in non-small-cell lung cancer, and to compare the consistency of EGFR mutations in tumor tissue and peripheral blood, fluorescence quantitive polymerase chain reaction (FQ-PCR) was performed according to standard procedure. Methods 112 peripheral blood and 87 tumor tissue of NSCLC were detected by FQ-PCR, among which 45 cases were analyzed using peripheral blood-tumor tissue matched samples. The relationship between clinical efficacy and EGFR mutations Was analyzed. Results Our results showed that there is 32 mutations in EGFR in 112(28.6%)of the patients'peripheral blood samples and 27 mutations in EGFR in 87(31.O%)tumor tissue. EGFR mutations were mainly found in adenocarcinoma and non-smokers in NSCLC (P<0.05). The consistency of EGFR mutation between tumor tissue and peripheal blood reached 71.4%. The clinical outcome of mutations Was significantly effective(P

Animals ; Camptothecin ; pharmacology ; Liver Neoplasms, Experimental ; immunology ; Mice ; Neoplasm Transplantation ; Sarcoma, Experimental ; immunology ; Transplantation, Isogeneic

This paper analyzed the moral construction in the prenatal diagnosis of surgical nursing and nursing features, including:strictness and complexity , professional and comprehensive , collaborative, and independence , carry out from the patients with preoperative evaluation , operation and postoperative effect evaluation every link and detail, with the theory of nursing ethics to guide and standardize nursing , dealing with the relation between various ethic, improve patient satisfaction , based on the premise of mutual modern relationship between nurses and pa-tients.

Objective To study the process of foam fractionation of polyphyllin in semi-batch mode. Methods Taking enrichment ratio, recovery rate of polyphyllin, and purity ratio as the performance criteria and using single examining method to examine the operational parameters, i.e. operation mode, air flow rate, initial feed concentration, solution pH value, initial feed height and temperature on separation performance. The optimal conditions of the process were obtained finally. Results The separation performance is good when gas flow rate is 400 mL/min, initial feed concentration (polyphyllins content) is 0.3 mg/mL, pH value is 7, feed height is 30 cm, and feed temperature is 40 ℃. The enrichment ratio is 25.7, recovery ratio is 42.1%, and the foam liquids purity of total polyphyllin is 41.4%, which is 4.5 times higher than that in feed purity. Conclusion Foam fractionation technique could be applied to separate polyphyllin.

Objective To investigate the correlation between the D-dimer level and the acute exacerbation of chronic obstructive pulmonary disease (AECOPD).Methods The changes of D-dimer levels in 156 patients (AECOPD group) before and after treatment were measured and compared with the D-dimer levels of 156 healthy subjects(control group).Results The concentration of plasma D-dimer in the AECOPD group was (1.35 ± 1.46) mg/L,which was significantly higher than (0.25 ± 0.16)mg/L in the control group,and the difference was statistically significant(t =9.354,P ＜0.05).The level of plasma D-dimer in the AECOPD group was (0.69 ± 0.87)mg/L,and compared with (1.35 ± 1.46)mg/L before treatment,the difference was statistically significant(t =4.850,P ＜ 0.05).Conclusion D-dimer level is correlated to the condition of patients with chronic obstructive pulmonary disease,it can be used as one of the indicators to diagnose whether a patient is in hypercoagnlable state or suffers thrombotic diseases.