This article selects chronic disease management research of academic literatures published in the national library in PubMed database from January 2000 to December 2013.Literature Bicomb co-occurrence analysis system was used for data extraction,analysis on the current international research achievements of chronic disease management,development situation and existing problems,reveal the research trend of chronic disease management and the status quo,which provided reference for the similar domestic research.

Objective To evaluate the clinical effect of cluster nursing measures and conventional nursing measures to prevent the ventilator associated pneumonia.Methods The domestic related literatures were searched using computer,and the results underwent comprehensive analysis according to RevMan 5.2 in the Cochrane collaboration.The quantitative comparison of two different nursing measures in reducing the incidence of ventilator associated pneumonia was conducted.Results A total of 23 articles which contained 6 146 patients met the inclusion standard.Due to heterogeneity between the included studies,the random effects model analysis was adopted to merge the RR combined (Total)=0.46,95％ CI(0.38,0.56),showed that cluster of nursing measures to significantly reduce the incidence of ventilator associated pneumonia.Conclusions The effect of cluster nursing measures for ventilator associated pneumonia prevention is superior to the conventional nursing measures,which should vigorously be advocated in clinic.

Objective We aimed to assess systematically the effect of evidence-based nursing in the prevention of postpartum hemorrhage in puerpera of our country.Methods Relative literature was searched by computer at home according to the inclusion and the exclusion criteria,which was analyzed by RevManS.2 software,and literature selection and repetition was used according to the Note Express software.Results A total of 22 studies were brought into the study,the statistical result was analyzed by fixed effect model and the result was OR=0.29,95％CI (0.22,0.39),P ＜ 0.01.The sensitive analysis was carried out by replacement of statistical models,the result was OR=0.31,95％CI (0.24,0.42),P ＜ 0.01,which indicated that the result was stable and reliable.Conclusions The results of this study show that the application of evidence-based nursing can significantly reduce the postpartum hemorrhage rate in China,which is worthy of application in clinic.

Objective To assess systematically the effect of (cognitive behavior therapy,CBT) on PANSS of schizophrenia.Methods Relative literature was searched by computer at home according to the inclusion and the exclusion criteria,which were analyzed by RevMan5.2 software,and literature selection and repetition were used according to the Note Express software.Results A total of 11 studies were brought into the study.According to the different time of intervention,the results showed that,the cognitive behavior therapy intervention continued for 2 months,I2 was 80％,the statistical result of random effects model analysis was [SMD=-0.64,95％CI (-1.14～-1.13),P＜0.05]; the cognitive behavior therapy intervention continued for 6 months,I2 was 64％,the statistical result of random effects model analysis was [SMD=-0.40,95％CI (-0.71,-0.08),P＜0.05]; the cognitive behavior therapy intervention continued for 12 months,the statistical result of fixed effects model analysis was[MD=-5.65,95％CI(-6.20,-5.09),P＜0.01].The replacement of statistical models for the sensitive analysis showed that the result was stabile and reliable.Conclusions The cognitive behavior therapy may reduce PANSS of patients with schizophrenia,But because the influence of some factors,the time of intervention is limited,so the result of this research is that the best intervention time for clinical symptoms improvement is from 6 months to 1 year.

Objective We aimed to assess systematically the effect of pressure treatment instrument on pre-venting deep venous thrombosis of lower extremity for hospitalized patients.Methods Relative literature was searched by computer at home according to the inclusion and the exclusion criteria,which were ana-lyzed by RevMan5.2 software and literature selection and repetition were used according to the Note Ex-press software.Results A total of 13 studies of randomized controlled or not randomized controlled trials were brought into the study by fixed effects model.A total of 1 194 were included into the study,599 in the experimental group and 595 in the control group.Literature analysis showed that pressure treatment in-strument can decrease the incidence rate of deep venous thrombosis of lower extremity (OR=0.24,OR95％ CI:0.15～0.37,P＜0.01) and increase venous blood flow velocity (OR=0.52,OR95％CI:0.25～0.80,P＜0.01).By replacing the statistical effect model,the sensitivity analysis showed a stable and reliable result conclusion.Conclusions Pressure treatment device can reduce the incidence rate of lower extremity deep venous thrombosis in hospitalized patients,prolong the survival time and improve the quality of life,and can also reduce the complications caused by anti-thromboembolic drugs.It is favored by clinical workers more and more,and it is worthy of further promotion and application.

Objective To know about the current status of the work engagement of the clinical nurses,and discuss the relatioaships among hardiness,perceived organizational support and work engagement so as to provide basis for improving the level of the work engagement of the clinical nurses.Methods The work engagement scale,hardiness scale and perceived organizational support scale were used to investigate a total of 630 clinical nurses.Results The general score of work engagement,hardiness and perceived organizational support were showed respectively as following:(52.54±8.08),(70.09±14.44) and(82.41±24.98).Every two items of hardiness,perceived organizational support and work engagement were in significant positive correlation.Regression analysis showed after the variable of demographic was controlled,the hardiness and perceived organizational support respectively had significant positive predictive function on work engagement as respective independent variables.Conclusions Hospital managers should create a good working environment for clinical nurses,measures should be taken from individual and organizational aspects so as to improve the hardiness and perceived organizational support and the work positivity of the clinical nurses,in order to make the nurses more positively devoted to their work.It had important practical significance to improve the quality of their services and stabilize nursing group.

Objective To explore the status quo of job performance and its influencing factors among clinical nurses.Methods 903 of clinical registered nurses from 5 comprehensive hospitals in Jilin province were investigated by the questionnaire.Results The level of job performance of clinical nurses from these 5 comprehensive hospitals in Jilin province was high,the average score of it was (3.345±0.442).The score of six dimensions followed by high and low were as followed:critical care,leadership,professional development,communication,planning and teaching.Some factors such as the title of a technical post,possession of spouse,classification of hospital,empowerment and organizational support were considered as the related factors via multiple regression analysis.Conclusions The leader should pay attention to empowerment and organizational support,so as to promote the job performance.

Objective To assess systematically the effect of problem-based learning (PBL) versus traditional methods in nursing students.Methods Relative literature was searched by computer at home and abroad.according to the inclusion and the exclusion criteria,which were analyzed by RevMan5.2 software,and literature selection and repetition were used according to the Note Express software.Results A total of 9 studies of randomized controlled or not randomized controlled trial were brought into the study by random effects model.A total of 1 187 were collected into the study,574 in the experimental group and 613 in the control group.According to subgroup analysis showed by measurement scale,problem-based learning (PBL) can significantly improve the critical thinking ability of nursing students.The results had high stability and reliability.Conclusions PBL teaching method can significantly improve the critical thinking ability of nursing students,and provide a better learning method for clinical teachers and students,which is worthy of further promotion.

Objective To test the reliability and validity of the home care demand forecasting scale for fracture patients when they were before discharge. Methods This study was descriptive study. Convenience sampling was used and 412 patients with fracture from 5 comprehensive hospitals in Yanbian Korean Autonomous Prefecture were selected. Finally, the number of valid questionnaires is 398 which were used for testing. Results Five factors and 32 items were eventually determined. The split-half reliability coefficient was 0.910, and split-half coefficient in each dimension was over 0.75; the content validity showed scale level content validity index(S-CVI) was 0.948, and the index in each item′s item level content validity index (I-CVI) was between 0.76 to 1.00. The result of factor analysis included 5 factors and the cumulative contribution of variance was 59.181%. The result of construct validity χ2/df=1.554, root mean square error approximation (RMSEA)=0.037, goodness-of-fit index (GFI)=0.920. The total of scale′s Cronbach coefficient was 0.948, Each dimension′s Cronbach coefficient was between 0.797-0.875. Conclusions The home care demand forecasting scale was proved to be reliable and valid. It can be used to assess the home-care needs of fracture patients before they were discharge.

Objective To analyze of internal strength in patients with chronic disease,make clear the concept development,property,prerequisites,outcome and evaluation index of internal force.Methods To retrieve the relevant research literature in the knowledge service platform of Pubmed,PsycINFO and Chinese CNKI,Wanfang data,using the Rodgers analysis method to analyze the evolution of the concept of internal force.Results The molding process of internal strength of patients with chronic diseases included 4 defining characteristics:self concept,support,development and transcendence.Conclusions Rodgers evolution concept analysis method can help medical workers make clear concept essence of internal strength,deepening their cognition and understanding,so as to provide the basis for the implementation of the related research and clinical interventions.