As the new force among university faculties,the young faculties are the backbone of teaching and research activities in universities and the main information users concerned for information access.To understand the actual condition of information literacy of young faculties in Peking University Health Science Center and grasp their difficulties in getting access to information,this study analyses the information literacy of young faculties through investigating the status quo of their information capabilities,gathering their suggestions and opinions to enhance information capabilities and retrieval tests conducted among small-scale young faculties.The survey results show that 72％ of young faculties don't know or know little about the four biomedical literature retrieval databases and 47％ of them knowing nothing about CALIS.This suggests we should take measures to promote the information literacy of young faculties.

Curcumin can suppress the proliferation of esophageal cancer cells by inducing cell cycle arrest and blocking Notch signaling pathway,and can inhibit the invasiveness of esophageal cancer cells by inhibiting the nuclear factor-κB (NF-κB) signaling pathway and suppressing the formation of tumor blood vessels and inhibiting matrix metalloproteinase (MMP).Curcumin can also regulate apoptosis of esophageal cancer cells by changing the expression and localization of nucleophosmin.

Objective To investigate the correlation between serum cystatin C(Cys-C)and renal function in patients with renal damage secondary to cirrhosis.Methods 129 patients with liver cirrhosis were selected,according to the measured glomerular filtration rate (GFR) as the gold standard for evaluation of renal function,patients were divided into group A(cirrhosis with normal renal function),group B(cirrhosis following renal insufficiency),group C (cirrhosis secondary to renal failure).The concentration of Cys-C was compared among three groups,and the serum creatinine(Scr),serum proteins ball micro β2 (β2-MG),creatinine clearance (Ccr) were detected.Results Cys-C,Scr,β2-MG,Ccr and other indicators of A,B,C three groups increased or decreased with the severity of impaired renal function(t =6.65,6.85,6.58,4.54,all P ＜ 0.05).The abnormal detection rates of Cys-C,Scr,Ccr,β2-MG in A group were 31.1％,11.1％,8.9％,26,7％,those in B group were 83.7％,30.2 ％,34.9％,46.5％,those in C group were 100.0％,85.4％,87.8％,95.1％.Conclusion Serum Cys-C concentration is a sensitive marker to evaluate glomerular filtration,it has accurate and reliable clinical significance in the early diagnosis of liver cirrhosis secondary to kidney damage.

Objective To analyze the clinical features and risk factors for mortality of patients with severe fever with thrombocytopenia syndrome (SFTS) in Zhoushan, the eastern coastal of China with high incidence of severe fever with thrambocytopenia syndrome bunyavirus infection, to provide reference for reducing the mortality rate of SFTS.Methods Clinical data of 107 cases of SFTS from Zhoushan Hospital during June 2011 to June 2016 were retrospectively analyzed.According to the prognosis, patients were divided into survival group and death group.The clinical features and the laboratory results were analyzed with a case-control method to analyze the prognostic factors.Normal distribution data were compared with the independent t test.Kolmogorov-Smirnov Z test were used in data with skewness distribution.Categorical data were analyze by chi-square test.The related risk factors were analyzed with the receiver-operating characteristic (ROC) curve and multivariate unconditioned logistics regression analysis.Results Seventeen cases among 107 STFs patients died, yielding the mortality rate of 15.9%.The proportion of patients suffering from two or more underlying diseases, with disorders of consciousness, activated partial thromboplastin time (APTT), the level of creatine kinase (CK), lactate dehydrogenase (LDH) as well as sepsis-related or sequential organ failure assessment (SOFA) score in death group were all significantly higher than those in the survival group (all P<0.05).The Ca2+ level and fibrinogen level in death group were significantly lower than those in the survival group (both P<0.05).Indexes mentioned above were analyzed by ROC curve, and the calculated cut-off value was set as the optimal diagnostic thresholds.These data were then included into the multivariate logistic regression analysis.It turned out that Ca2+<1.625 mmol/L, APTT >73.45 s, SOFA scores >9 were the independent risk factors for mortality of SFTS (OR=6.947, 8.459 and 11.770, respectively, all P<0.05).Conclusion Ca2+, APTT and SOFA score are the independent risk factors for prognosis of SFTS, which provide reference for prognostic evaluation of SFTS.

Objective To investigate the effect of curcumin(Cur)on proliferation and apoptosis of human esophageal carcinoma drug-resistant cells Eca-109/VCR in vitro and in vivo. Methods The inhibitory effect of Cur on Eca-109/VCR was detected by CCK-8 method. The apoptosis rate of Eca-109/VCR cells after treatment with Cur was determined by flow cytometry. Eca-109/VCR xenografts were established in nude mice and inhibitory effect of Cur on xenografts was observed. HE staining was used to observe the morphological changes. Apoptosis was detect-ed by TUNEL. ELISA was used to measure Caspase-3,Caspase-8 and Caspase-9 expression in nude mice serum. Results Cur significantly inhibited the proliferation of Eca-109/VCR in a time and concentration-dependent man-ner and it could induce apoptosis of Eca-109/VCR. Cur significantly inhibited the growth of xenografts and a large number of necrosis existed in Cur group. Cur induced apoptosis in xenografts and the expression of Caspase-3,Cas-pase-8 and Caspase-9 in serum increased with the increase of Cur concentrations. Conclusion Cur could inhibit the growth of esophageal carcinoma xenografts in vitro and in vivo and its role might be up-regulating the expression of Caspase-3,Caspase-8 and Caspase-9 and associated with the apoptosis induction of drug-resistant esophageal carcinoma cells.

Objective To observe the clinical efficacy of valsartan combined with alprostadil in treatment of diabetic nephropathy. Methods Selected 84 cases of diabetic nephropathy patients in our hospital from January 2010 to January 2014. According to the different treatment methods they were divided into observation group and control group, each of 42 cases, two groups were treated with high quality low protein diabetic diet, and received the hypoglycemic (insulin), symptomatic treatment, anticoagulant buck. The control group was treated with alprostadil injection 10 μg with 20 mL of physiological saline bolus, once a day, for 12 weeks. On the basis of control group, the observation group was given valsartan 80 mg, 2 times daily, orally, 4 weeks for a course of treatment for 12 weeks. The changes of 24 hours urinary protein, creatinine, urea nitrogen before and after treatment and the effects of two groups after treatment were com-pared. Results The 24 hours urine protein, Cr, BUN levels before treatment had no significant difference between two groups of patients (P>0.05). After treatment, two groups of patients with Cr, BUN levels had no obvious changes with those before therapy, but of 24 hour urinary protein quantitative the observation group significantly decreased than be-fore treatment and control group after treatment, there was statistically significant difference between two groups (P<0.05). After treatment, the observation group's efficiency was 90.5%, control group was 73.8%, observation group's effi-ciency was significantly higher than the control group, there was significant difference between two groups (P<0.05). Throughout the course of treatment, the control group one case of transient palpitations, three cases of dizziness and headache, one case of cough. In the observation group two cases of cough, two cases of dizziness and headache, which were mild severity and did not affect the continued treatment. Conclusion The therapeutic effect of valsartan com-bined with alprostadil in treatment of diabetic nephropathy is accurate, can significantly improve renal function, is wor-thy of promotion and application.

OBJECTIVE: To study application of sternocleidomastoid myoperiosteal flap to reconstruction of the defect of cervical trachea. METHOD: Thirteen hospitalized patients with malignant neoplasm invading cervical trachea and primary tracheal carcinoma were analyzed retrospectively, the sternocleidomastoid myoperiosteal flap was applied to repair the defect of tracheal wall after resection of the neoplasm. RESULT: Among 10 tracheotomy patients, 9 cases were decannulated from 1 month to 5 months. One case needs cannulation because of tracheal stenosis. Three patients with no tracheotomy had no dyspnea after operation. CONCLUSION The sternocleidomastoid myoperiosteal flap is an ideal transplant for cervical tracheal reconstruction.
Aged ; Female ; Humans ; Male ; Middle Aged ; Pectoralis Muscles ; transplantation ; Periosteum ; transplantation ; Reconstructive Surgical Procedures ; methods ; Retrospective Studies ; Surgical Flaps ; Trachea ; pathology ; surgery

Objective Learning the dynamic changes of serum new Buniavirus IgM antibody of fever with thrombocytopenia syndrome cases to cover the missing of early diagnosis method for new Buniavirus nucleic acid detecting negative cases,provide the basis for clinical diagnosis and correct treatment.Methods Select the confirmed cases that the first serologic test results for the new Buniavirus nucleic acid testing is positive and negative for IgM antibody test,reserve the consecutive serum samples from patients which is taken every other day until leaving hospital,use Mac-ELISA method to detect the serum specimens of the new Buniavirus IgM seroconversion time and dynamic changes,and calculate the percentage of seroconversion time and the average seroconversion time.Results The new Buniavirus IgM seroconversion time proportions of the serum of the 16 patients who meet the requirements of the study after the onset of disease:5 d:2/16;7 d:6/16;9 d:9/16;11 d:10/16;13 d:12/16;15 d:16/16,and the average seroconversion time is 10.25 ± 3.58 days.Conclusions The serum new Buniavirus IgM antibody of the 16 fever with thrombocytopenia cases can be conversed as early as five days after the onset of disease and the latest with 15 days,then the density of the patient's serum antibody gradually increases after 基金 DOI:10.3760/cma.j.issn.1003-9279.2014.04.00 seroconversion and until 30 days after the disease can still maintain a high level.The convalescent serum IgG antibody titer of the 16 patients is 4 times more than the acute phase.New Buniavirus IgM antibodies detection can be used as an auxiliary method of the early diagnosis of fever with thrombocytopenia syndrome cases.

Objective: To explore the predictive value of ¹⁸F-fluorodeoxyglucose (FDG) PET conventional parameters and radiomics features for human epidermal growth factor receptor 2 (HER2) expression which was uncertain by immunohistochemistry (IHC) detection in invasive breast cancer. Methods: From April 2012 to December 2017, 76 patients (all were females, age: (50.8±10.9) years) with invasive breast cancer and with uncertain HER2 expression by IHC in Tianjin Medical University Cancer Institute and Hospital were enrolled retrospectively. The ¹⁸F-FDG PET/CT images before treatment were reviewed and the expression of HER2 were confirmed by fluorescence in situ hybridization (FISH). The tumor lesions were manually outlined, and the radiomics features from PET images were extracted. Wilcoxon test was used to determine whether there was difference in PET conventional metabolic parameters (maximum standardized uptake value (SUV_max), metabolic tumor volume (MTV) and total lesion glycolysis (TLG)) and radiomics features between HER2-negative and HER2-positive groups. The receiver operating characteristic (ROC) curve analysis was used to compare the predictive efficacy of PET radiomics features for HER2 expression. Results: There were 41 HER2-positive patients and 35 HER2-negative patients. No significant differences in PET conventional metabolic parameters between different HER2 expression groups were observed (U values: from -1.598 to 1.551, all P>0.05). A total of 38 PET radiomics features were extracted, and there were significant differences in gray mean, correlation, contrast, inertia, and inverse different moments between 2 groups(U values: from -2.413 to 2.527, all P<0.05). The area under the curve of the above 5 parameters for prediction of HER2 expression were 0.643, 0.638, 0.647, 0.644 and 0.643, respectively, and the contrast was the best parameter. Conclusions PET radiomics features can effectively identify HER2 expression in patients with invasive breast cancer to some extent, and the contrast may be the best. Conventional metabolic parameters have limited predictive value.

Objective:To analyze the status quo, hotspots and fronts of emergency nursing training research at home and abroad in the past ten years, and to provide reference and ideas for the efficient development of emergency nursing training in China.Methods:CiteSpace 6.2.R2 software was used to visually analyze the Chinese and English literatures on emergency nursing training included in CNKI and Web of Science core databases from January 1, 2013 to June 1, 2023.Results:A total of 1 177 Chinese literatures and 1 163 English literatures were included. The number of foreign articles in this field increased year by year, while the number of domestic articles showed a downward trend since 2018. There were many stable core author groups and core institution groups in foreign countries, while there was less cooperation among domestic authors and institutions. The common research hotspots and frontiers at home and abroad focused on broadening the training audience of emergency nursing, innovating the training methods of emergency nursing, strengthening the evaluation of the effect of emergency nursing training, and paying attention to the training experience and needs of nurses. Foreign researches also focused on specialized nurses, interprofessional education and nurses′mental health, etc, and the research direction was diversified.Conclusions:The development stages of emergency nursing training researches at home and abroad are different, and the research hotspots are different. In the future, we should learn from foreign research, strengthen interdisciplinary cooperation, improve the depth and breadth of research, and strengthen the cooperation between authors, institutions and countries to promote the high-quality development of emergency nursing training research in China.