1.Design of performance evaluation indexs of scientific research management based on the Balanced Scorecard in military medical universities
Chinese Journal of Medical Science Research Management 2015;28(2):157-159,163
The scientific outputs are usually used as the main measure basis of the traditional performance evaluation of scientific research in military medical universities.In this research,we design the performance evaluation indexs of scientific research management based on the Balanced Scorecard from four levels including finance,customers,internal processes and learning and growth,which can provide a new perspective and theoretical basis for improving performance evaluation system of scientific research management in military medical universities.
2.Application of the Balanced Scorecard in the research performance management of the universities
Chinese Journal of Medical Science Research Management 2016;29(1):46-48
The Balanced Scorecard,as a new strategic management tool,has been widely used in the performance evaluation of Chinese enterprise.This review discussed the application and potential problems of the Balanced Scorecard in the research performance management of the research universities.
3.Design of evaluation index system of scientific research performance based on the Balanced Score Card and Analytic Hierarchy Process in military medical universities
Chinese Journal of Medical Science Research Management 2015;28(3):225-230
Objective To design an evaluation index system of scientific research performance in military medical universities and determine the weights of these indexs.Methods Through literature study,the Balanced Scorecard Card (BSC) is used to preliminarily design the evaluation index system of scientific research performance in military medical universities.And then the Delphi Method is used to finalize the valuation indexs.The weights of valuation indexes at all levels are determined based on the Analytic Hierarchy Process (AHP).The comprehensive weight is determined by math-statistical method.Finally,we quantify the qualitative indicators of third-level indicators,collect the data on scientific research performance of two departments in recent two years and evaluate the applicability of the system.Results A systematic and comprehensive evaluation system which can reflect the scientific research performance in military medical universities,comprise 8 first-level indicators,22 secondlevel indicators and 50 third-level indicators.The weights of valuation indexes at all levels have been determined.The empirical study shows that in the comprehensive level of B department is higher than that of A.But each department has its strengths in the aspects of four dimensions.For example,compared to the score of B department,the score of A department is significantly lower in the aspect of traditional scientific input and output,comparable in the two aspects of customers and internal processes,slightly lower in 2013 but higher in 2014 in the aspect of learning and growth.Conclusions The evaluation index system of scientific research performance based on the BSC and AHP comprise long term and short-term indicators,financial and non-financial indicators,explicit and implicit indicators,qualitative and quantitative indicators.Through using the scientific consultation,analysis and calculation methods,the evaluation index system is proved to be valid and reliable.Compared to the traditional evaluation system of scientific research performance,the evaluation system based on the BSA can better and more comprehensively reflect the level of scientific research,innovation ability and sustainable development trend of a department in the aspcet of applicability.
4.Pathological damage of lung in severe acute respiratory syndrome
Zhenwei LANG ; Lijie ZHANG ; Lin SUN
Chinese Journal of Infectious Diseases 2001;0(03):-
Objective We report the pathological features of lung in the dead patients with severe acute respiratory syndrome (SARS). Methods Post-mortem lung and pulomonary hilar lymph nodes tissues of 3 patients dead from SARS were studied by histology and immuhistochemistry with rabbit anti-Fas polyclonal antibody, mouse anti-PCNA, mouse anti- CD83,mouse anti-CD4 and mouse anti-CD8 monoclonal antibodies. Results The surface of lung from 3 cases were shown red or purplish red color. Histopathological examination showed that diffuse interstitial exudative or leakage inflammation and alveolar damages with a pronounced increase of of monocytes in the interval at various levels of progression and severity. There were hyaline-membrane formation, desquamation and apoptosis of type-2 pneumocytes in alveolar spaces. Fibrin thrombus and thrombo-embolism could be found in blood capillary and bronchial artery respectively. We observed some fibrin deposition in alveoli interval. No obviously giant-cell infiltrate within the alveolar lumen. The positive cell of proliferative cell nuclear antigen (PCNA) was rare. Fas antigen were expressed in a lot of type-2 pneumocytes, monocytes of the interval and pulomonary hilar lymph nodes. Comparison with the lymph nodes of chronic inflammation, there were obviously disorganization and attenuation of lymphocyte in lymph nodes of SARS. The proportion of CD4 positive lymphocytes were rare, but CD83 and CD8 positive lymphocyte seemed no decreased, relatively. The seminal changes such as decreased lymphocytes ,white pulp atrophy,hemorrhage and necrosis,and decreased expression of lymphocytes for CD4 antigen could also observe in spleen. Conclusions Severe damages of lung and immunological system damages might lead to death of patients with SARS.
5.The study of pulmonary fibrosis in severe acute respiratory syndrome
Lijie ZHANG ; Zhenwei LANG ; Lin SUN
Chinese Journal of Infectious Diseases 1999;0(01):-
Objective To observe pulmonary fibrosis in severe acute respiratory syndrome (SARS) and to discuss the mechanisms of pulmonary fibrosis in SARS. Methods Hematoxylin and Eosin staining (H&E), histology staining and immuno-histochemical staining (SP methods) were used to investigate the lungs from 4 autopsy cases. Antibodies against collagen type Ⅲ, ?-smooth muscle actin(?-SMA), Fas, FasL and transforming growth factor ?1(TGF-?1) were used for immunohistochemical studies. Results All these four lung tissues showed different degree of pulmonary fibrosis, including the organization of exudative fibrin, glomerulus-like fibrosis in alveolar spaces, the thickening of the alveolar septum, proliferation of fibroblasts, the hyperplasia of collagen fibers and the consolidation of lungs. Sirius red staining and collagen type Ⅲ staining showed the type Ⅲ and the type Ⅰ collagen fibers were the main components of the hyperplastic collagen fibers. ?-SMA were expressed in fibroblasts, immunoreactivity to Fas, FasL, TGF-?1 were all positive and located in plasma of pneumocytes, macrophages and lymphocytes. Conclusions The pulmonary fibrosis can be observed early in SARS patients and the pathogenesis may be involved in the co-effect of many effective cells, inflammatory mediators and cytokines.
6.Chondron: A basic microanatomical unit in articular cartilage
Wangping DUAN ; Zhenwei SUN ; Xiaochun WEI
Chinese Journal of Tissue Engineering Research 2010;14(24):4557-4560
BACKGROUND: Chondron is a basic microanatomical unit of articular cartilage. lncreasing evidence suggests that the pericellular matrix (PCM) is a distinct functional compartment in articular cartilage, influencing the metabolic, micromechanical environment, and degeneration of chondrocytes. But the precise functions and action mechanism need further investigation.OBJECTIVE: To review the literature pertinent to the morphology, function, isolation of the chondron in articular cartilage, and its degenerative events during the progression of osteoarthritis (OA).METHODS: This review summarized the articles published in the PubMed database before July 2009. In addition, recent data and figure of our laboratory on the morphology and biomechanics of chondron and chondrocyte were supplemented. RESULTS AND CONCLUSION: The PCM is primarily characterized by the presence of type Ⅵ collagen, and these components are widespread in the expansive extracellular matrix (ECM) in newborns, while in mature the components are mainly localized to a narrow pericellular zone. The three-dimensional morphology of chondron has been recently quantified in situ with fluorescence confocal microscopy, and the mechanical properties of the isolated individual chondrons and their PCM are measured using the micropipette technique and atomic force microscopy. More studies have shown that the presence of the PCM in chondrons has a profound influence on chondrocyte gene expression. At the same time, structural, histochemical and biomechanical studies indicate the chondron and their PCM may undergo degenerative processes with osteoarthritis, similar to those occurring in the ECM, Although the precise function of the PCM is unknown, increasing evidence in vivo or in vitro suggests that the PCM is a basic microanatomical unit in articular cartilage, influencing the metabolic and micromechanical environment of chondrocytes.Department of Orthopedics, the Second Hospital of Shanxi Medical University, Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair,Taiyuan 030001,Shanxi Province,China
7.Progress of researches on the association between diabetes and stress urinary incontinence among women
Yili GU ; Xiaoyan SUN ; Zhenwei XIE
Journal of Preventive Medicine 2023;35(2):130-133
Abstract
Female stress urinary incontinence (SUI) is a major global public health problem, and its involuntary urinary leakage may seriously affect patients' quality of life. The pathophysiological changes in muscle, connective and nerve tissues induced by diabetes have been found to be strongly correlated with the development and progression of SUI. This review summarizes the association between diabetes and SUI in women and the underlying pathophysiological mechanisms, so as to provide insights into prevention of SUI among female patients with diabetes.
8.Advances of non-invasive detection of intracranial pressure
Zhenwei DU ; Jian SUN ; Mingxin QIN ; Shangbin LI ; Zhao ZHANG
International Journal of Biomedical Engineering 2014;37(5):307-310
In recent years,with the increasement of intracranial pressure detection accuracy,the use of intracranial pressure detection in clinic become more common.Various of technologies are used in clinic that can be divided into invasive methods,such as epidural catheter,subarachnoid bolt,intraventricular catheter,fiberoptic catheter and micro-sensors transducer,and non-invasive methods,such as evoked otoacoustic emissions,transocular method,transcranial doppler,imaging method and magnetic induction method.This paper reviews the physiological basis of intracranial pressure detection and common intracranial pressure detection techniques,especially on noninvasive intracranial pressure detection methods.Advantages and disadvantages of different intracranial pressure detection methods are listed,and an outlook of the development of non-invasive intracranial pressure detection technology are made.
9.Histological analysis of chondrons isolated from age-related normal rabbit knee
Wangping DUAN ; Zhenwei SUN ; Qi LI ; Yu ZHAO ; Xiaochun WEI
Chinese Journal of Orthopaedics 2016;36(5):292-297
Objective To explore the histological properties of isolated chondrons and chondrocytes from rabbit knee cartilage,and to determine if these properties vary with age.Methods Three groups of rabbit knees were evaluated according to different age:(1) young (2 months,n=10);(2) adult (8 months,n=10);and (3) old (31 months,n=10).The cartilage structure,proteoglycan,collagen-2,and collagen-6 content were determined by light microscopic using hematoxylin-eosin (HE),Toluidine Blue,and col-2,6 staining.The chondrons were enzymatically isolated using 0.3 g/L dispase and 0.2 g/L collagenase-2 by shaking for 3 hours.The morphology and composition of isolated chondrons were observed by HE and collagen-6 immunostaining staining after overnight coverslip monolayer culture under a microscopy.Results The chondrocytes became sparser and the total content of proteoglycans and collagen-2 were decreased in the articular cartilage with age.Compared to the chondrocytes,the surrounding rim or capsule was more obvious in the isolated chondrons,and they exhibited obvious differences in shape.The cells within one cluster from different age groups were similar to the morphology observed in cartilage in situ.The adult and old chondrons generally possessed a thicker pericellular matrix with more enclosed cells,and the chondrons contained more cells can reach 47%.Conclusion These findings further suggest that the properties of the chondrons and pericellular matrix have an important influence on the biomechanical microenvironment of the knee joint cartilage degeneration that occurs with age.
10.Relationship between microalbuminuria and severity of acute ischemic stroke and outcomes
Yong'an SUN ; Xiaobing HE ; Zhenwei GUO ; Aihua TAO ; Mingli HE
International Journal of Cerebrovascular Diseases 2014;22(8):590-595
Objective To investigate the relationship between microalbuminuria (MAU) and the risk factor for acute ischemic stroke,the severity of the disease and outcomes.Methods A total of 156 consecutive patients with acute ischemic stroke were enrolled prospectively.They were randomly divided into either an MAU positive group (≥ 30 mg/g) or an MAU negative group (< 30 mg/g) according to urinary albumin/creatinine ratio (UACR).They were also randomly divided into either a good outcome group (0-2) or a poor outcome group (>2) according to the modified Rankin scale (mRS) scores.The various demographic and clinical data were compared,and the poor outcome of acute ischemic stroke and the independent factors of positive MAU were analyzes.Results A total of 156 patients with acute ischemic stroke were enrolled,including 84 males and 72 female; aged 53 to 78 years (mean 65.4 ± 6.2); the time from onset to admission was 1.5 to 28 h; 94 patients had good outcomes,62 had poor outcomes,and no one died; MAU was positive in 76 patients and MAU was negative in 80 ones.Multivariate logistic regression analysis showed that advanced age (odds ratio [OR] 1.992,95% confidence interval [CI] 1.108-2.374; P =0.015),complicated with diabetes (OR 2.497,95% CI 1.177-5.298; P =0.017) and atrial fibrilhtion (OR 2.338,95% CI 1.062-5.148; P =0.035),high serum homocysteine (Hcy) level (OR 2.541,95% CI 1.073-6.02; P =0.047) and UACR (OR 2.130,95% CI 1.396-3.017; P =0.001),MAU positive (OR 3.291,95% CI 1.681-6.444; P =0.001),high baseline National Institutes of Health Stroke Scale (NIHSS) score (OR 9.196,95% CI 2.828-19.815; P< 0.001) were the independent risk factors for poor outcomes in patients with acute ischemic stroke.There were significant differences in the proportion of the patients complicated with diabetes (P =0.038) and fasting blood glucose level (P =0.025),serum Hey level (P =0.022),and carotid intima-media thickness (IMT) (P =0.019) between the MAU positive group and the MAU negative group.The proportion of anterior circulation infarction was lower (P =0.033),the rates of the baseline NIHSS score (P =0.003) and poor outcome were higher in the MAU positive group (P < 0.001).Multivariate logistic regression analysis showed that increased diabetes (OR 2.237,95% CI 1.036-4.829; P =0.040) and fasting blood glucose (OR 1.223,95% CI 1.145-1.673; P =0.027),the increased Hey level (OR 2.542,95% CI 1.047-6.612; P=0.025),carotid artery IMT (OR 1.295,95% CI 1.106-1.362; P =0.023) and baseline NIHSS score (OR1.206,95% CI 1.044-1.219; P =0.023) were correlated independently with the positive MAU in patients with acute ischemic stroke.Conclusions Positive MAU is one of the independent risk factors for poor outcomes of acute ischemic stroke,it is closely associated with some risk factors for acute ischemic stroke,and it has a significant impact on the severity of acute ischemic stroke and outcomes.