Objective To observe the morphology of neuronal necrosis by kainic acid(KA) induced status epilepsy (SE) in rats, and to study the brain protective effect of Mg 2+.Methods 75 adult male Wistar rats were randomly divided into KA group, Mg 2+ group and normal saline group. SE was induced with KA for 3 hours, and the rats in Mg 2+ group were intraperitoneal injected magnesium sulfate before being injected KA. 72 hours later the rats were killed. We had all rat brain sections and observe the morphology of neuronal necrosis with microscope and electron microscope.Results In KA group, seizure was induced 16.1?4.7 min after injection of KA, but seizure delayed to 25.4?6.2 min in Mg 2+ group. There was a significant difference between two groups (P

The alterations in electron transport were studied in the myocardial mitochondria of rats with hemorrhagjc shock. Hemorrhagic shock model was induced by a modified Wigger procedure. Mitochondria were obtained by differential centrifugation. Succinate-, and NADH-respiratory chains were assayed by polarographically and spectrophotometrically in isolated myocardial mitochondria. The results showed that hemorrhagic shock led to progressive decrease in the enzymatic activities of two respiratory chains. The activities of Succinate-Co. Q reductase, Succinate-Cyt. C reductase, NADH-Co. Q reductase, NADH-Cty. C reductase and cytochrome oxidase were remarkably lower in shock 3 h group than those in the shamoperated. This implies that there is not only low-flow hypoxia, but inability to utilizer oxygen in the myocardial mitochondria

Objective To study the effect of periodontitis on rats with chronic bacterial prostatitis. Methods A total of 80 male rats were randomly divided into the 4 weeks group (n=40) and the 8 weeks group (n=40), and then the two groups were randomly divided into the normal control group (N=10), the periodontitis group (PE=10), the chronic bacterial prostatitis group (CBP=10), and the peri-odontitis+chronic bacterial prostatitis group (CBP+PE=10) respectively. The pathological changes, inflammation score, level of TNF-αand IL-1β, and indicators of periodontal of all rats were observed. Results In the 4 weeks group, the indicators of periodontal in PE group and CBP+PE group were higher than that in N group and CBP group (P<0. 05), but there was no significant difference between PE group and CBP+PE group as well as between the N group and the CBP group (P>0. 05). The pathological changes, inflammation score,TNF-αlevel ,IL-1 β level in CBP+PE group and CBP group were higher than that in N group and PE group (P<0. 05), while there was no sing-nificant difference between N group and PE group as well as between CBP+PE group and CBP group (P>0. 05). In the 8 weeks group, the indicators of periodontal in PE group and CBP+PE group were higher than that in N group and CBP group (P<0. 05), but there was no sig-nificant difference between PE group and CBP+PE group as well as between the N group and the CBP group (P>0. 05). The pathological changes, inflammation score, TNF-α level , IL-1 β level in CBP +PE group and CBP group were higher than that in N group and PE group (P<0. 05),while there was no singnificant difference between N group and PE group (P>0. 05). The pathological changes, inflam-mation score,TNF-α level ,IL-1 β level in CBP+PE group were higher than those in the CBP group (P<0. 05). Compared between 4 weeks group and 8 weeks group, there was no obvious difference in N group in terms of periodontal indexes. Periodontal indexes in 8 weeks PE group was higher than that in 4 weeks PE group (P<0. 05), but there was no significant difference prostate tissue pathology, inflamma-tion score,TNF-α level,IL-1βlevel (P>0. 05). Pathology, inflammation score,TNF-αlevel, IL-1βlevel in 8 weeks CBP group were low-er compared to 4 weeks CBP group (P<0. 05), and there was no significant difference between the indexes of periodontal (P>0. 05). Prostate tissue pathology, inflammation score, TNF-αlevel, IL-1βlevel in 8 weeks CBP+PE group were lower than that in 4 weeks CBP+PE group (P<0. 05), but indicators of periodontal in 8 weeks CBP+PE group were higher than 4 weeks CBP+PE group (P<0. 05). Conclusion Chronic bacterial prostatitis combined with periodontitis can inhibit self-healing tendency of chronic bacterial prostatitis of rats and keep rats in chronic inflammatory phase.

Objective To describe the level of self-perceived burden (SPB) and analyze its influencing factors among the patients with advanced lung cancer, in order to provide a theoretical basis for individualized nursing care. Methods A total of 102 hospitalized patients with lung cancer from 3 hospitals in Shandong province were investigated by the Self-Perceived Burden Scale for Cancer Patient (SPBS-CP). Results The total score of the SPBS-CP was (60.31±17.06) points, which indicated at a moderate level. Those patients rated the highest score on the sub-scale of economic/family burden (22.04±6.72) points, the lowest score on the sub scale of care burden (10.28±3.62) points. Single factor analysis and regression results showed that different work conditions, different stages were related with SPB. Conclusions Patients with moderate and advanced lung cancer had a moderate or higher level of SPB. Staff nurses should focus on the psychological status of the patients and take positive interventions to release the negative emotional experiences.

Objective To explore the role of LiCl in modulating bacterial-mediated inflammation after Pseudomonas aeruginosa infection.Methods Western-blot was used to determine the efficacy of LiCl usage.The expression of inflammatory cytokines in Pseudomonas aeruginosa-infected macrophages and neutrophils was detected by qPCR.Cell apoptosis was measured by flow cytometry.Results Western-blot data showed that LiCl up-regulated the protein levels of p-GSK-3β(Ser 9)and β-catenin in macrophages and neutrophils,indicating the efficacy of LiCl usage.qPCR data indicated that LiCl enhanced the expression of anti-inflammatory cytokines and suppressed the expression of pro-inflammatory cytokines in Pseudomonas aeruginosa-infected macrophages and neutrophils.Flow cytometry data indicated that LiCl could promoted the apoptosis of Pseudomonas aeruginosa-infected macrophages and neutrophils.Conclusion LiCl inhibited the Pseudomonas aeruginosa-induced inflammation,via regulating the inflammatory cytokine expression and the apoptosis of inflammatory cells.

ObjectiveTo analyze the efficacy of endoscopic histoacryl injection in the treatment of gastric variceal bleeding caused by regional portal hypertension. MethodsThe endoscopic features and efficacy of endoscopic histoacryl injection were examined and compared in two groups of patients admitted to our hospital from June 2012 to December 2012. One of the groups included 6 patients with gastric variceal bleeding caused by regional portal hypertension and the other group included 6 patients with gastric variceal bleeding caused by hepatitis B cirrhosis-related portal hypertension. Between-group comparison of categorical data was made by Fisher′s test. ResultsIn patients with regional portal hypertension, five of them had severe isolated gastric varices (IGV) and one had severe IGV with mild esophageal varices. All six patients with hepatitis B cirrhosis-related portal hypertension had severe IGV and the endoscopic features were similar to those of patients with regional portal hypertension. Significant differences were observed between the group with regional portal hypertension and the group with hepatitis B cirrhosis related portal hypertension in short-term response rate (1/6 vs 6/6, P=0.015) and long-term response rate (0/6 vs 5/6, P=0.015). ConclusionThe gastric varices caused by regional portal hypertension has a fast progression rate and a high bleeding risk. The efficacy of endoscopic histoacryl injection in patients with this type of gastric varices is poor.

ObjectiveTo investigate the effect of intraoperative Viatorr stent implantation for shunting of blood flow in the left or right branch of the portal vein on the clinical outcome of patients with cirrhotic portal hypertension undergoing transjugular intrahepatic portosystemic shunt (TIPS). MethodsA retrospective analysis was performed for the clinical data of 120 patients with cirrhotic portal hypertension who underwent TIPS in The General Hospital of Western Theater Command from March 2016 to December 2019, and according to the target position of portal vein puncture determined by intraoperative angiography, the patients were divided into left branch group and right branch group. The two groups were compared in terms of the incidence rates of postoperative recurrence and bleeding, stent dysfunction, and hepatic encephalopathy (HE) and survival. The t-test was used for comparison of continuous data between two groups, and the chi-square test was used for comparison of categorical data between two groups. The Kaplan-Meier curve was used to calculate rebleeding rate, stent patency rate, incidence rate of HE, and survival rate. ResultsThe surgical success rate was 100% for all 120 patients, with a short-term hemostasis rate of 100%. Among the 120 patients, 52 underwent shunting of the left branch of the portal vein and 68 underwent shunting of the right branch. There was a significant reduction in portal venous pressure after surgery (9.98±2.84 mm Hg vs 24.72±5.11 mm Hg, t=37.76, P＜0.01). The cumulative rebleeding rates at 12 and 24 months after surgery were 3.2% and 11.0%, respectively, and the cumulative incidence rates of HE at 3, 6, 12, and 24 months after surgery were 10.8%, 13.6%, 21.2%, and 24.5%, respectively. Among the 29 patients who experienced HE, 23 had grade Ⅰ-Ⅱ HE and 6 had grade Ⅲ HE. The cumulative incidence rates of stent dysfunction at 12 and 24 months after surgery were 7.1% and 21.4%, respectively. The cumulative survival rates at 12 and 24 months after surgery were 92.0% and 86.5%, respectively. As for comparison of the left branch group and the right branch group, there were no significant differences in postoperative stent patency rate, rebleeding rate, incidence rate of HE, and survival rate(all P＜0.05). ConclusionTIPS is a safe and effective method for the treatment of cirrhotic portal hypertension, and intraoperative Viatorr stent implantation, no matter for establishing the shunt of the left or right branch of the portal vein, will not affect the clinical outcome of patients.

Objective:To investigate the current status of family caregivers learned helplessness in patients with advanced digestive tract tumor and analyze its influencing factors, so as to provide reference for the physical and mental management of cancer families.Methods:Totally 181 family caregivers of advanced digestive tract tumor patients from July 2018 to November 2019 in 4 gradeⅢclass A hospitals in Fuzhou were selected by convenient sampling method for investigation with the general information questionnaire and Learned Helplessness Scale. Multiple linear regression analysis was used to analyze the influencing factors of learned helplessness of family caregivers of patients with advanced digestive tract tumor.Results:The total score and the average items score of learned helplessness was (38.61 ± 15.40), (2.15 ± 0.88) points, which was at a lower level. Multiple linear regression analysis showed that the gender of caregiver, physical condition of caregivers, average monthly household income were significant influencing factors of family caregivers learned helplessness in patients with advanced digestive tract tumor ( P<0.05). Conclusions:The learned helplessness of family caregivers of patients with advanced digestive tract tumor is at a mild level. Nurses should focus on the physical and mental conditions of low-income groups and female caregivers with advanced digestive tract tumor, and regularly assess their nursing needs and health status to improve their quality of life.

Objective To investigate the association between platelet count (PLT) and the prognosis of hepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF), to establish a new PLT-related scoring model, and to assess its value in predicting the short-term prognosis of HBV-ACLF. Methods A retrospective cohort study was conducted among the patients with HBV-ACLF who were hospitalized and treated in Department of Gastroenterology, The General Hospital of Western Theater Command, from January 2018 to January 2022. Clinical data within 24 hours after admission were collected from all patients, and according to the survival after 180 days of follow-up, the patients were divided into survival group and death group. The independent-samples t test was used for comparison of normally distributed continuous data between groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between groups; the chi-square test was used for comparison of categorical data between groups. The Pearson correlation coefficient was used to investigate the correlation between different indicators, and the logistic regression model was used to analyze the influencing factors for prognosis. The receiver operating characteristic (ROC) curve was used to assess the predictive value of the prognostic model, and the Kaplan-Meier curve analysis was used to investigate the survival condition of the high AIP group and the low AIP group. Results A total of 236 patients were enrolled, with a 180-day survival rate of 75.85% (179/236). Compared with the survival group, the death group had significantly higher age (53.98±10.45 vs 47.44±12.46, P =0.001), international normalized ratio (INR) [1.78 (1.46-2.04) vs 1.47 (1.23-1.68), P < 0.001], total bilirubin [275.60 (165.00-451.45) vs 230.60 (154.90-323.70), P =0.035], Model for End-Stage Liver Disease (MELD) score [21.47 (18.14-24.76) vs 18.67 (15.70-21.62), P < 0.001], and albumin-bilirubin (ALBI) score [-1.06 (-1.64~-0.86) vs-1.32 (-1.73~-1.01), P =0.034], as well as significantly lower PLT [80.00 (50.00~124.50) vs 115.00 (82.00~143.00), P =0.001] and platelet-to-white blood cell ratio (PWR) [13.40 (9.54~20.70) vs 18.49 (13.95~24.74), P =0.001]. The Pearson correlation analysis showed that PLT was negatively correlated with liver cirrhosis and INR ( r =-0.332 and -0.194, P < 0.001 and P =0.003). The multivariate logistic regression analysis showed that age (odds ratio [ OR ]=1.045, 95% confidence interval [ CI ]: 1.015-1.076), PLT ( OR =0.990, 95% CI : 0.983-0.998), and INR ( OR =2.591, 95% CI : 1.363-4.925) were independent risk factors for the 180-day prognosis of HBV-ACLF patients. The new predictive model was established as follows: AIP=0.006×age+0.187×INR-0.001×PLT. The AIP scoring model had an area under the ROC curve (AUC) of 0.718 in predicting the 180-day prognosis of HBV-ACLF patients, with a sensitivity of 81.1% and a specificity of 54.1%, while PLT, PWR, LPACLF score, MELD score, and ALBI score had an AUC of 0.673, 0.659, 0.588, 0.647, and 0.578, respectively. The AIP scoring model had an optimal cut-off value of 0.48. The Kaplan-Meier survival analysis showed that the high AIP group had a significantly lower survival rate than the low AIP group ( P < 0.001). Conclusion The PLT-related scoring model has a better value than other models in predicting the prognosis of HBV-ACLF, and HBV-ACLF patients with a relatively high PLT level tend to have a high overall survival rate.

BACKGROUNDOrthotopic liver transplantation (OLT) has become the therapeutic option of choice for end-stage liver disease. The aim of this study was to investigate the changes of splenic morphology, signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), apparent diffusion coefficient (ADC) values and explore their value in evaluating the therapeutic effects of orthotopic liver transplantation (OLT) on portal hypertension at 1.5 Tesla MRI.

METHODSTwenty patients with portal hypertension undergoing OLT were included in this study. Conventional MRI and diffusion-weighted image (DWI) (b value = 600 s/mm(2)) sequences were applied on each patient before and after OLT, and these patients were referred to as the preoperative and postoperative groups. Twenty healthy individuals were selected as the normal group. After image acquisition, the splenic width (W), thickness (T), length (L), the diameter of the portal vein (PD) and splenic vein (SD) were measured and the splenic volume (V) was calculated. The SNR and CNR were measured on T2WI. The ADC maps were calculated using the b600 in DWIs and the ADC values were measured.

RESULTSCompared with the preoperative group, the splenic V, PD and SD decreased significantly in the postoperative group (P < 0.05). All splenic morphological values were significantly different between preoperative and normal groups (P < 0.05). The splenic L and V were significantly different (P < 0.05) between postoperative and normal groups. The SNR and CNR values were 17.66 ± 4.62 and 13.18 ± 3.12, 11.50 ± 1.64 and 7.44 ± 4.32, 4.24 ± 1.24 and 3.03 ± 2.41 in the preoperative, postoperative and normal groups, respectively. Both SNR and CNR decreased after OLT, but they was still higher than the normal values. The SNR was significantly different between any two groups (P < 0.05). The CNR was significantly different (P < 0.05) between the preoperative and postoperative groups, preoperative and normal groups. The splenic ADC values were (1.339 ± 0.482) × 10(-3) mm(2)/s, (1.120 ± 0.254) × 10(-3) mm(2)/s and (0.997 ± 0.447) × 10(-3) mm(2)/s in the preoperative, postoperative and normal groups, respectively. The difference of ADC values were significant (P < 0.05) between the preoperative and postoperative groups, and the preoperative and normal groups.

CONCLUSIONSOLT is an effective method of treatment for portal hypertension. In addition to dramatically decreasing the splenic V, it can also decrease the splenic SNR, CNR and ADC values in patients with portal hypertension. The changes of splenic SNR, CNR and ADC after OLT may be helpful in providing noninvasive supplementary information in assessing the therapeutic effect of OLT on portal hypertension.

Adult ; Aged ; Female ; Humans ; Hypertension, Portal ; diagnosis ; surgery ; Liver Transplantation ; Magnetic Resonance Imaging ; methods ; Male ; Middle Aged ; Retrospective Studies ; Splenomegaly ; diagnosis ; surgery